This is an automated email from the ASF dual-hosted git repository.

critas pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/iotdb-docs.git


The following commit(s) were added to refs/heads/main by this push:
     new 21caa007 show ainode deploy and adjust 2.0.8 to -beta (#997)
21caa007 is described below

commit 21caa007a1803785cf69e266477aa8e0ac855124
Author: leto-b <[email protected]>
AuthorDate: Wed Feb 4 15:35:10 2026 +0800

    show ainode deploy and adjust 2.0.8 to -beta (#997)
---
 src/.vuepress/sidebar/V2.0.x/en-Table.ts           |  7 ++---
 src/.vuepress/sidebar/V2.0.x/en-Tree.ts            |  7 ++---
 src/.vuepress/sidebar/V2.0.x/zh-Table.ts           |  7 ++---
 src/.vuepress/sidebar/V2.0.x/zh-Tree.ts            |  7 ++---
 src/.vuepress/sidebar_timecho/V2.0.x/en-Table.ts   |  7 ++---
 src/.vuepress/sidebar_timecho/V2.0.x/en-Tree.ts    |  7 ++---
 src/.vuepress/sidebar_timecho/V2.0.x/zh-Table.ts   |  7 ++---
 src/.vuepress/sidebar_timecho/V2.0.x/zh-Tree.ts    |  9 +++---
 .../AINode_Deployment_Upgrade_apache.md            |  2 +-
 .../AINode_Deployment_Upgrade_timecho.md           |  2 +-
 .../latest-Table/Reference/System-Tables_apache.md |  8 ++---
 .../Reference/System-Tables_timecho.md             |  8 ++---
 .../SQL-Manual/SQL-Maintenance-Statements.md       |  2 +-
 .../Tools-System/Data-Export-Tool_apache.md        |  4 +--
 .../Tools-System/Data-Export-Tool_timecho.md       |  4 +--
 .../latest-Table/User-Manual/Audit-Log_timecho.md  |  2 +-
 .../User-Manual/Maintenance-commands_apache.md     |  2 +-
 .../User-Manual/Maintenance-commands_timecho.md    |  2 +-
 .../latest/API/Programming-OPC-UA_timecho.md       | 16 +++++-----
 .../AINode_Deployment_Upgrade_apache.md            |  2 +-
 .../AINode_Deployment_Upgrade_timecho.md           |  2 +-
 .../latest/Tools-System/Data-Export-Tool_apache.md |  4 +--
 .../Tools-System/Data-Export-Tool_timecho.md       |  4 +--
 .../latest/User-Manual/Audit-Log_timecho.md        |  2 +-
 .../latest/User-Manual/Maintenance-commands.md     |  2 +-
 .../AINode_Deployment_Upgrade_apache.md            |  2 +-
 .../AINode_Deployment_Upgrade_timecho.md           |  2 +-
 .../latest-Table/Reference/System-Tables_apache.md |  8 ++---
 .../Reference/System-Tables_timecho.md             |  8 ++---
 .../SQL-Manual/SQL-Maintenance-Statements.md       |  2 +-
 .../Tools-System/Data-Export-Tool_apache.md        |  4 +--
 .../Tools-System/Data-Export-Tool_timecho.md       |  4 +--
 .../latest-Table/User-Manual/Audit-Log_timecho.md  |  2 +-
 .../User-Manual/Maintenance-statement_apache.md    |  2 +-
 .../User-Manual/Maintenance-statement_timecho.md   |  2 +-
 .../latest/API/Programming-OPC-UA_timecho.md       | 36 +++++++++++-----------
 .../AINode_Deployment_Upgrade_apache.md            |  2 +-
 .../AINode_Deployment_Upgrade_timecho.md           |  2 +-
 .../latest/Tools-System/Data-Export-Tool_apache.md |  4 +--
 .../Tools-System/Data-Export-Tool_timecho.md       |  4 +--
 .../latest/User-Manual/Audit-Log_timecho.md        |  2 +-
 .../latest/User-Manual/Maintenance-statement.md    |  2 +-
 42 files changed, 103 insertions(+), 111 deletions(-)

diff --git a/src/.vuepress/sidebar/V2.0.x/en-Table.ts 
b/src/.vuepress/sidebar/V2.0.x/en-Table.ts
index 24eafca5..2de43f1b 100644
--- a/src/.vuepress/sidebar/V2.0.x/en-Table.ts
+++ b/src/.vuepress/sidebar/V2.0.x/en-Table.ts
@@ -75,9 +75,8 @@ export const enSidebar = {
             text: 'AI Deployment',
             collapsible: true,
             children: [
-                { text: 'AINode Deployment', link: 'AINode_Deployment_apache' 
},/*
                { text: 'AINode Deployment(V2.0.5/6)', link: 
'AINode_Deployment_apache' },
-               { text: 'AINode Deployment(V2.0.8)', link: 
'AINode_Deployment_Upgrade_apache' }, */
+               { text: 'AINode Deployment(V2.0.8-beta)', link: 
'AINode_Deployment_Upgrade_apache' },
             ],
           },
       ],
@@ -134,9 +133,9 @@ export const enSidebar = {
       prefix: 'AI-capability/',
       children: [
         { text: 'AINode(V2.0.5/6)', link: 'AINode_apache' },
-        { text: 'AINode(V2.0.8)', link: 'AINode_Upgrade_apache' },
+        { text: 'AINode(V2.0.8-beta)', link: 'AINode_Upgrade_apache' },
         { text: 'TimeSeries Large Model(V2.0.5/6)', link: 
'TimeSeries-Large-Model' },
-        { text: 'TimeSeries Large Model(V2.0.8)', link: 
'TimeSeries-Large-Model_Upgrade_apache' },
+        { text: 'TimeSeries Large Model(V2.0.8-beta)', link: 
'TimeSeries-Large-Model_Upgrade_apache' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar/V2.0.x/en-Tree.ts 
b/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
index 358a9213..b67724b0 100644
--- a/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
+++ b/src/.vuepress/sidebar/V2.0.x/en-Tree.ts
@@ -82,9 +82,8 @@ export const enSidebar = {
             text: 'AI Deployment',
             collapsible: true,
             children: [
-                { text: 'AINode Deployment', link: 'AINode_Deployment_apache' 
},/*
                { text: 'AINode Deployment(V2.0.5/6)', link: 
'AINode_Deployment_apache' },
-               { text: 'AINode Deployment(V2.0.8)', link: 
'AINode_Deployment_Upgrade_apache' }, */
+               { text: 'AINode Deployment(V2.0.8-beta)', link: 
'AINode_Deployment_Upgrade_apache' },
             ],
           },
       ],
@@ -150,9 +149,9 @@ export const enSidebar = {
       prefix: 'AI-capability/',
       children: [
         { text: 'AINode(V2.0.5/6)', link: 'AINode_apache' },
-        { text: 'AINode(V2.0.8)', link: 'AINode_Upgrade_apache' },
+        { text: 'AINode(V2.0.8-beta)', link: 'AINode_Upgrade_apache' },
         { text: 'TimeSeries Large Model(V2.0.5/6)', link: 
'TimeSeries-Large-Model' },
-        { text: 'TimeSeries Large Model(V2.0.8)', link: 
'TimeSeries-Large-Model_Upgrade_apache' },
+        { text: 'TimeSeries Large Model(V2.0.8-beta)', link: 
'TimeSeries-Large-Model_Upgrade_apache' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar/V2.0.x/zh-Table.ts 
b/src/.vuepress/sidebar/V2.0.x/zh-Table.ts
index 1b4e1076..69c2879c 100644
--- a/src/.vuepress/sidebar/V2.0.x/zh-Table.ts
+++ b/src/.vuepress/sidebar/V2.0.x/zh-Table.ts
@@ -75,9 +75,8 @@ export const zhSidebar = {
             text: 'AI 部署',
             collapsible: true,
             children: [
-                { text: 'AINode 部署', link: 'AINode_Deployment_apache' },/*
               { text: 'AINode 部署(V2.0.5/6)', link: 'AINode_Deployment_apache' 
},
-              { text: 'AINode 部署(V2.0.8)', link: 
'AINode_Deployment_Upgrade_apache' }, */
+              { text: 'AINode 部署(V2.0.8-beta)', link: 
'AINode_Deployment_Upgrade_apache' },
             ],
           },
       ],
@@ -132,9 +131,9 @@ export const zhSidebar = {
       prefix: 'AI-capability/',
       children: [
         { text: 'AINode(V2.0.5/6)', link: 'AINode_apache' },
-        { text: 'AINode(V2.0.8)', link: 'AINode_Upgrade_apache' },
+        { text: 'AINode(V2.0.8-beta)', link: 'AINode_Upgrade_apache' },
         { text: '时序大模型(V2.0.5/6)', link: 'TimeSeries-Large-Model' },
-        { text: '时序大模型(V2.0.8)', link: 'TimeSeries-Large-Model_Upgrade_apache' 
},
+        { text: '时序大模型(V2.0.8-beta)', link: 
'TimeSeries-Large-Model_Upgrade_apache' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts 
b/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
index a0f2ca02..3e16287a 100644
--- a/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
+++ b/src/.vuepress/sidebar/V2.0.x/zh-Tree.ts
@@ -76,9 +76,8 @@ export const zhSidebar = {
             text: 'AI 部署',
             collapsible: true,
             children: [
-                { text: 'AINode 部署', link: 'AINode_Deployment_apache' },/*
               { text: 'AINode 部署(V2.0.5/6)', link: 'AINode_Deployment_apache' 
},
-              { text: 'AINode 部署(V2.0.8)', link: 
'AINode_Deployment_Upgrade_apache' }, */
+              { text: 'AINode 部署(V2.0.8-beta)', link: 
'AINode_Deployment_Upgrade_apache' },
             ],
           },
       ],
@@ -141,9 +140,9 @@ export const zhSidebar = {
       prefix: 'AI-capability/',
       children: [
         { text: 'AINode(V2.0.5/6)', link: 'AINode_apache' },
-        { text: 'AINode(V2.0.8)', link: 'AINode_Upgrade_apache' },
+        { text: 'AINode(V2.0.8-beta)', link: 'AINode_Upgrade_apache' },
         { text: '时序大模型(V2.0.5/6)', link: 'TimeSeries-Large-Model' },
-        { text: '时序大模型(V2.0.8)', link: 'TimeSeries-Large-Model_Upgrade_apache' 
},
+        { text: '时序大模型(V2.0.8-beta)', link: 
'TimeSeries-Large-Model_Upgrade_apache' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar_timecho/V2.0.x/en-Table.ts 
b/src/.vuepress/sidebar_timecho/V2.0.x/en-Table.ts
index 23f05930..e951a3e6 100644
--- a/src/.vuepress/sidebar_timecho/V2.0.x/en-Table.ts
+++ b/src/.vuepress/sidebar_timecho/V2.0.x/en-Table.ts
@@ -82,9 +82,8 @@ export const enSidebar = {
             text: 'AI Deployment',
             collapsible: true,
             children: [
-                { text: 'AINode Deployment', link: 'AINode_Deployment_timecho' 
},/*
               { text: 'AINode Deployment(V2.0.5/6)', link: 
'AINode_Deployment_timecho' },
-              { text: 'AINode Deployment(V2.0.8)', link: 
'AINode_Deployment_Upgrade_timecho' }, */
+              { text: 'AINode Deployment(V2.0.8-beta)', link: 
'AINode_Deployment_Upgrade_timecho' },
             ],
           },
           {
@@ -162,9 +161,9 @@ export const enSidebar = {
       prefix: 'AI-capability/',
       children: [
         { text: 'AINode(V2.0.5/6)', link: 'AINode_timecho' },
-        { text: 'AINode(V2.0.8)', link: 'AINode_Upgrade_timecho' },
+        { text: 'AINode(V2.0.8-beta)', link: 'AINode_Upgrade_timecho' },
         { text: 'TimeSeries Large Model(V2.0.5/6)', link: 
'TimeSeries-Large-Model' },
-        { text: 'TimeSeries Large Model(V2.0.8)', link: 
'TimeSeries-Large-Model_Upgrade_timecho' },
+        { text: 'TimeSeries Large Model(V2.0.8-beta)', link: 
'TimeSeries-Large-Model_Upgrade_timecho' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar_timecho/V2.0.x/en-Tree.ts 
b/src/.vuepress/sidebar_timecho/V2.0.x/en-Tree.ts
index 3f15798a..c75f266e 100644
--- a/src/.vuepress/sidebar_timecho/V2.0.x/en-Tree.ts
+++ b/src/.vuepress/sidebar_timecho/V2.0.x/en-Tree.ts
@@ -89,9 +89,8 @@ export const enSidebar = {
             text: 'AI Deployment',
             collapsible: true,
             children: [
-              { text: 'AINode Deployment', link: 'AINode_Deployment_timecho' 
}, /*
               { text: 'AINode Deployment(V2.0.5/6)', link: 
'AINode_Deployment_timecho' },
-              { text: 'AINode Deployment(V2.0.8)', link: 
'AINode_Deployment_Upgrade_timecho' }, */
+              { text: 'AINode Deployment(V2.0.8-beta)', link: 
'AINode_Deployment_Upgrade_timecho' },
             ],
           },
           {
@@ -174,9 +173,9 @@ export const enSidebar = {
       prefix: 'AI-capability/',
       children: [
         { text: 'AINode(V2.0.5/6)', link: 'AINode_timecho' },
-        { text: 'AINode(V2.0.8)', link: 'AINode_Upgrade_timecho' },
+        { text: 'AINode(V2.0.8-beta)', link: 'AINode_Upgrade_timecho' },
         { text: 'TimeSeries Large Model(V2.0.5/6)', link: 
'TimeSeries-Large-Model' },
-        { text: 'TimeSeries Large Model(V2.0.8)', link: 
'TimeSeries-Large-Model_Upgrade_timecho' },
+        { text: 'TimeSeries Large Model(V2.0.8-beta)', link: 
'TimeSeries-Large-Model_Upgrade_timecho' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar_timecho/V2.0.x/zh-Table.ts 
b/src/.vuepress/sidebar_timecho/V2.0.x/zh-Table.ts
index 05fbf9c1..3cd633c1 100644
--- a/src/.vuepress/sidebar_timecho/V2.0.x/zh-Table.ts
+++ b/src/.vuepress/sidebar_timecho/V2.0.x/zh-Table.ts
@@ -76,9 +76,8 @@ export const zhSidebar = {
             text: 'AI 部署',
             collapsible: true,
             children: [
-              { text: 'AINode 部署', link: 'AINode_Deployment_timecho' },/*
               { text: 'AINode 部署(V2.0.5/6)', link: 'AINode_Deployment_timecho' 
},
-              { text: 'AINode 部署(V2.0.8)', link: 
'AINode_Deployment_Upgrade_timecho' }, */
+              { text: 'AINode 部署(V2.0.8-beta)', link: 
'AINode_Deployment_Upgrade_timecho' },
             ],
           },
           {
@@ -153,9 +152,9 @@ export const zhSidebar = {
       prefix: 'AI-capability/',
       children: [
         { text: 'AINode(V2.0.5/6)', link: 'AINode_timecho' },
-        { text: 'AINode(V2.0.8)', link: 'AINode_Upgrade_timecho' },
+        { text: 'AINode(V2.0.8-beta)', link: 'AINode_Upgrade_timecho' },
         { text: '时序大模型(V2.0.5/6)', link: 'TimeSeries-Large-Model' },
-        { text: '时序大模型(V2.0.8)', link: 
'TimeSeries-Large-Model_Upgrade_timecho' },
+        { text: '时序大模型(V2.0.8-beta)', link: 
'TimeSeries-Large-Model_Upgrade_timecho' },
       ],
     },
     {
diff --git a/src/.vuepress/sidebar_timecho/V2.0.x/zh-Tree.ts 
b/src/.vuepress/sidebar_timecho/V2.0.x/zh-Tree.ts
index 5a75b6c8..92310f78 100644
--- a/src/.vuepress/sidebar_timecho/V2.0.x/zh-Tree.ts
+++ b/src/.vuepress/sidebar_timecho/V2.0.x/zh-Tree.ts
@@ -77,9 +77,8 @@ export const zhSidebar = {
             text: 'AI 部署',
             collapsible: true,
             children: [
-              { text: 'AINode 部署', link: 'AINode_Deployment_timecho' },
-             /*  { text: 'AINode 部署(V2.0.5/6)', link: 
'AINode_Deployment_timecho' },
-              { text: 'AINode 部署(V2.0.8)', link: 
'AINode_Deployment_Upgrade_timecho' }, */
+              { text: 'AINode 部署(V2.0.5/6)', link: 'AINode_Deployment_timecho' 
},
+              { text: 'AINode 部署(V2.0.8-beta)', link: 
'AINode_Deployment_Upgrade_timecho' },
             ],
           },
           {
@@ -156,9 +155,9 @@ export const zhSidebar = {
       prefix: 'AI-capability/',
       children: [
         { text: 'AINode(V2.0.5/6)', link: 'AINode_timecho' },
-        { text: 'AINode(V2.0.8)', link: 'AINode_Upgrade_timecho' },
+        { text: 'AINode(V2.0.8-beta)', link: 'AINode_Upgrade_timecho' },
         { text: '时序大模型(V2.0.5/6)', link: 'TimeSeries-Large-Model' },
-        { text: '时序大模型(V2.0.8)', link: 
'TimeSeries-Large-Model_Upgrade_timecho' },
+        { text: '时序大模型(V2.0.8-beta)', link: 
'TimeSeries-Large-Model_Upgrade_timecho' },
       ],
     },
     {
diff --git 
a/src/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
 
b/src/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
index 137a4422..e11e3f9a 100644
--- 
a/src/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
+++ 
b/src/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
@@ -85,7 +85,7 @@ To ensure the AINode installation package you obtained is 
complete and correct,
 ### 2.3 Environment Requirements
 
 - Recommended operating environment: Linux, macOS.
-- IoTDB Version: >= V2.0.8.
+- IoTDB Version: >= V2.0.8-beta.
 
 ## 3. Installation, Deployment, and Usage
 
diff --git 
a/src/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
 
b/src/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
index 41dcd291..769c49f0 100644
--- 
a/src/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
+++ 
b/src/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
@@ -89,7 +89,7 @@ sha512sum timechodb-2.0.6.1-ainode-bin.zip
 ### 2.3 Environment Requirements
 
 - Recommended operating environment: Linux, macOS.
-- TimechoDB Version: >= V2.0.8.
+- TimechoDB Version: >= V2.0.8-beta.
 
 ## 3. Installation, Deployment, and Usage
 
diff --git a/src/UserGuide/latest-Table/Reference/System-Tables_apache.md 
b/src/UserGuide/latest-Table/Reference/System-Tables_apache.md
index 2aa05d9f..a67792b5 100644
--- a/src/UserGuide/latest-Table/Reference/System-Tables_apache.md
+++ b/src/UserGuide/latest-Table/Reference/System-Tables_apache.md
@@ -371,7 +371,7 @@ IoTDB> select * from information_schema.views
 
 ### 2.11 MODELS Table
 
-> This system table is available starting from version V 2.0.5 and has been 
discontinued since version V 2.0.8.
+> This system table is available starting from version V 2.0.5 and has been 
discontinued since version V 2.0.8-beta.
 
 * Contains information about all models in the database.
 * The table structure is as follows:
@@ -596,7 +596,7 @@ IoTDB> select * from information_schema.data_nodes
 
 ### 2.18 CONNECTIONS Table
 
-> This system table is available starting from version V 2.0.8
+> This system table is available starting from version V 2.0.8-beta
 
 * Contains all connections in the cluster.
 * The table structure is as follows:
@@ -623,7 +623,7 @@ IoTDB> select * from information_schema.connections;
 
 ### 2.19 CURRENT_QUERIES Table
 
-> This system table is available starting from version V 2.0.8
+> This system table is available starting from version V 2.0.8-beta
 
 * Contains all queries whose execution end time falls within the range `[now() 
- query_cost_stat_window, now())`, including currently executing queries. The 
`query_cost_stat_window` parameter represents the query cost statistics window. 
Its default value is 0 and can be configured via the `iotdb-system.properties` 
configuration file.
 * The table structure is as follows:
@@ -654,7 +654,7 @@ IoTDB> select * from information_schema.current_queries;
 
 ### 2.20 QUERIES_COSTS_HISTOGRAM Table
 
-> This system table is available starting from version V 2.0.8
+> This system table is available starting from version V 2.0.8-beta
 
 * Contains a histogram of query execution times within the past 
`query_cost_stat_window` period (only statistics for completed SQL queries). 
The `query_cost_stat_window` parameter represents the query cost statistics 
window. Its default value is 0 and can be configured via the 
`iotdb-system.properties` configuration file.
 * The table structure is as follows:
diff --git a/src/UserGuide/latest-Table/Reference/System-Tables_timecho.md 
b/src/UserGuide/latest-Table/Reference/System-Tables_timecho.md
index 7bb37e58..e7b43683 100644
--- a/src/UserGuide/latest-Table/Reference/System-Tables_timecho.md
+++ b/src/UserGuide/latest-Table/Reference/System-Tables_timecho.md
@@ -371,7 +371,7 @@ IoTDB> select * from information_schema.views
 
 ### 2.11 MODELS Table
 
-> This system table is available starting from version V 2.0.5 and has been 
discontinued since version V 2.0.8.
+> This system table is available starting from version V 2.0.5 and has been 
discontinued since version V 2.0.8-beta.
 
 * Contains information about all models in the database.
 * The table structure is as follows:
@@ -596,7 +596,7 @@ IoTDB> select * from information_schema.data_nodes
 
 ### 2.18 CONNECTIONS Table
 
-> This system table is available starting from version V 2.0.8
+> This system table is available starting from version V 2.0.8-beta
 
 * Contains all connections in the cluster.
 * The table structure is as follows:
@@ -623,7 +623,7 @@ IoTDB> select * from information_schema.connections;
 
 ### 2.19 CURRENT_QUERIES Table
 
-> This system table is available starting from version V 2.0.8
+> This system table is available starting from version V 2.0.8-beta
 
 * Contains all queries whose execution end time falls within the range `[now() 
- query_cost_stat_window, now())`, including currently executing queries. The 
`query_cost_stat_window` parameter represents the query cost statistics window. 
Its default value is 0 and can be configured via the `iotdb-system.properties` 
configuration file.
 * The table structure is as follows:
@@ -654,7 +654,7 @@ IoTDB> select * from information_schema.current_queries;
 
 ### 2.20 QUERIES_COSTS_HISTOGRAM Table
 
-> This system table is available starting from version V 2.0.8
+> This system table is available starting from version V 2.0.8-beta
 
 * Contains a histogram of query execution times within the past 
`query_cost_stat_window` period (only statistics for completed SQL queries). 
The `query_cost_stat_window` parameter represents the query cost statistics 
window. Its default value is 0 and can be configured via the 
`iotdb-system.properties` configuration file.
 * The table structure is as follows:
diff --git 
a/src/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements.md 
b/src/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements.md
index 8b975d66..36808b37 100644
--- a/src/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements.md
+++ b/src/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements.md
@@ -229,7 +229,7 @@ IoTDB> SHOW REGIONS
 
 **Description**: Returns the RPC addresses and ports of all available 
DataNodes in the current cluster. Note: A DataNode is considered "available" if 
it is not in the REMOVING state.
 
-> This feature is supported starting from v2.0.8.
+> This feature is supported starting from v2.0.8-beta.
 
 **Syntax**:
 
diff --git a/src/UserGuide/latest-Table/Tools-System/Data-Export-Tool_apache.md 
b/src/UserGuide/latest-Table/Tools-System/Data-Export-Tool_apache.md
index 00474ffb..770bcc68 100644
--- a/src/UserGuide/latest-Table/Tools-System/Data-Export-Tool_apache.md
+++ b/src/UserGuide/latest-Table/Tools-System/Data-Export-Tool_apache.md
@@ -43,8 +43,8 @@ The data export tool `export-data.sh/bat` is located in the 
`tools` directory an
 |`-end_time`   |`--end_time`   | The end time of the data to be exported only 
takes effect when `-sql_dialect` is set to the table type. If `-q` is 
specified, this parameter will not take effect.| No                             
                       | -                                            |
 | `-t`       | `--target`           | Target directory for the output files. 
If the path does not exist, it will be created.                                 
     | ​**Yes** | -                                            |
 | `-pfn`     | `--prefix_file_name` | Prefix for the exported file names. For 
example, `abc` will generate files like `abc_0.tsfile`, `abc_1.tsfile`. | No    
          | `dump_0.tsfile`                              |
-| `-q`       | `--query`            | SQL query command to execute. Starting 
from v2.0.8, semicolons in SQL statements are automatically removed, and query 
execution proceeds normally.  | No              | -                             
                                                                      |
-| `-timeout` | `--query_timeout`    | Query timeout in milliseconds (ms).      
                                                                                
                           | No              | `-1` (before 
v2.0.8)<br>`Long.MAX_VALUE` (v2.0.8 and later)<br>(Range: `-1~Long.MAX_VALUE`) |
+| `-q`       | `--query`            | SQL query command to execute. Starting 
from v2.0.8-beta, semicolons in SQL statements are automatically removed, and 
query execution proceeds normally.  | No              | -                       
                                                                            |
+| `-timeout` | `--query_timeout`    | Query timeout in milliseconds (ms).      
                                                                                
                           | No              | `-1` (before 
v2.0.8-beta)<br>`Long.MAX_VALUE` (v2.0.8-beta and later)<br>(Range: 
`-1~Long.MAX_VALUE`) |
 | `-help`    | `--help`             | Display help information.                
                                                                                
   | No              | -                                            |
 
 ### 2.2 CSV Format
diff --git 
a/src/UserGuide/latest-Table/Tools-System/Data-Export-Tool_timecho.md 
b/src/UserGuide/latest-Table/Tools-System/Data-Export-Tool_timecho.md
index f2c8a7d2..9e5645b0 100644
--- a/src/UserGuide/latest-Table/Tools-System/Data-Export-Tool_timecho.md
+++ b/src/UserGuide/latest-Table/Tools-System/Data-Export-Tool_timecho.md
@@ -43,8 +43,8 @@ The data export tool `export-data.sh/bat` is located in the 
`tools` directory an
 |`-end_time`   |`--end_time`   | The end time of the data to be exported only 
takes effect when `-sql_dialect` is set to the table type. If `-q` is 
specified, this parameter will not take effect.| No                             
                       | -                                             |
 | `-t`       | `--target`           | Target directory for the output files. 
If the path does not exist, it will be created.                                 
     | ​**Yes** | -                                             |
 | `-pfn`     | `--prefix_file_name` | Prefix for the exported file names. For 
example, `abc` will generate files like `abc_0.tsfile`, `abc_1.tsfile`. | No    
          | `dump_0.tsfile`                               |
-| `-q`       | `--query`            | SQL query command to execute. Starting 
from v2.0.8, semicolons in SQL statements are automatically removed, and query 
execution proceeds normally.  | No              | -                             
                                                                      |
-| `-timeout` | `--query_timeout`    | Query timeout in milliseconds (ms).      
                                                                                
                           | No              | `-1` (before 
v2.0.8)<br>`Long.MAX_VALUE` (v2.0.8 and later)<br>(Range: `-1~Long.MAX_VALUE`) |
+| `-q`       | `--query`            | SQL query command to execute. Starting 
from v2.0.8-beta, semicolons in SQL statements are automatically removed, and 
query execution proceeds normally.  | No              | -                       
                                                                            |
+| `-timeout` | `--query_timeout`    | Query timeout in milliseconds (ms).      
                                                                                
                           | No              | `-1` (before 
v2.0.8-beta)<br>`Long.MAX_VALUE` (v2.0.8-beta and later)<br>(Range: 
`-1~Long.MAX_VALUE`) |
 | `-help`    | `--help`             | Display help information.                
                                                                                
   | No              | -                                             |
 
 ### 2.2 CSV Format
diff --git a/src/UserGuide/latest-Table/User-Manual/Audit-Log_timecho.md 
b/src/UserGuide/latest-Table/User-Manual/Audit-Log_timecho.md
index f29a1fa7..00f790af 100644
--- a/src/UserGuide/latest-Table/User-Manual/Audit-Log_timecho.md
+++ b/src/UserGuide/latest-Table/User-Manual/Audit-Log_timecho.md
@@ -31,7 +31,7 @@ Audit logs provide a documented record of database 
activities. Through the audit
 * Configurable audit log retention periods using TTL (time-based rolling) and 
SpaceTL (space-based rolling)
 * Default encryption storage for audit logs
 
-> Note: This feature is available from version V2.0.8 onwards.
+> Note: This feature is available from version V2.0.8-beta onwards.
 
 ## 2. Configuration Parameters
 
diff --git 
a/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_apache.md 
b/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_apache.md
index 659e7a5d..4351cf4f 100644
--- a/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_apache.md
+++ b/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_apache.md
@@ -341,7 +341,7 @@ IoTDB> SHOW REGIONS
 
 **Description**: Returns the RPC addresses and ports of all available 
DataNodes in the current cluster. Note: A DataNode is considered "available" if 
it is not in the REMOVING state.
 
-> This feature is supported starting from v2.0.8.
+> This feature is supported starting from v2.0.8-beta.
 
 **Syntax**:
 
diff --git 
a/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_timecho.md 
b/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_timecho.md
index 02185325..27a0b101 100644
--- a/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_timecho.md
+++ b/src/UserGuide/latest-Table/User-Manual/Maintenance-commands_timecho.md
@@ -341,7 +341,7 @@ IoTDB> SHOW REGIONS
 
 **Description**: Returns the RPC addresses and ports of all available 
DataNodes in the current cluster. Note: A DataNode is considered "available" if 
it is not in the REMOVING state.
 
-> This feature is supported starting from v2.0.8.
+> This feature is supported starting from v2.0.8-beta.
 
 **Syntax**:
 
diff --git a/src/UserGuide/latest/API/Programming-OPC-UA_timecho.md 
b/src/UserGuide/latest/API/Programming-OPC-UA_timecho.md
index 80b5446b..1af814e5 100644
--- a/src/UserGuide/latest/API/Programming-OPC-UA_timecho.md
+++ b/src/UserGuide/latest/API/Programming-OPC-UA_timecho.md
@@ -27,7 +27,7 @@ This document describes two independent operational modes for 
IoTDB's integratio
 
 * **Mode 1: Data Subscription Service (IoTDB as OPC UA Server)**: IoTDB starts 
an embedded OPC UA server to passively allow external clients (e.g., UAExpert) 
to connect and subscribe to its internal data. This is the traditional usage.
 * **Mode 2: Data Push (IoTDB as OPC UA Client)**: IoTDB acts as a client to 
actively synchronize data and metadata to one or more independently deployed 
external OPC UA servers.
-  > Note: This mode is supported starting from V2.0.8.
+  > Note: This mode is supported starting from V2.0.8-beta.
 
 **Note: Modes are mutually exclusive**
 When the Pipe configuration specifies the `node-urls` parameter (Mode 2), 
IoTDB will **not** start the embedded OPC UA server (Mode 1). These two modes 
**cannot be used simultaneously** within the same Pipe.
@@ -68,15 +68,15 @@ CREATE PIPE p1
 | sink.opcua.tcp.port                | OPC UA TCP port                         
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
 | sink.opcua.https.port              | OPC UA HTTPS port                       
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
 | sink.opcua.security.dir            | OPC UA key and certificate directory    
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| opcua.security-policy              | Security policy used for OPC UA 
connections (case-insensitive). Multiple policies can be configured and 
separated by commas. After configuring one policy, clients can only connect 
using that policy. Default implementation supports `None` and `Basic256Sha256`. 
Should be set to a non-`None` policy by default. `None` policy is only for 
debugging (convenient but insecure; not recommended for production). Note: 
Supported since V2.0.8, only for client-ser [...]
+| opcua.security-policy              | Security policy used for OPC UA 
connections (case-insensitive). Multiple policies can be configured and 
separated by commas. After configuring one policy, clients can only connect 
using that policy. Default implementation supports `None` and `Basic256Sha256`. 
Should be set to a non-`None` policy by default. `None` policy is only for 
debugging (convenient but insecure; not recommended for production). Note: 
Supported since V2.0.8-beta, only for clien [...]
 | sink.opcua.enable-anonymous-access | Whether OPC UA allows anonymous access  
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
 | sink.user                          | User (OPC UA allowed user)              
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
 | sink.password                      | Password (OPC UA allowed password)      
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| opcua.with-quality                 | Whether OPC UA publishes data in value 
+ quality mode. When enabled, system processes data as follows:1. Both value 
and quality present → Push directly to OPC UA Server.2. Only value present → 
Quality automatically filled as UNCERTAIN (default, configurable).3. Only 
quality present → Ignore write (no processing).4. Non-value/quality fields 
present → Ignore data and log warning (configurable log frequency to avoid 
high-frequency interference).5. Qual [...]
-| opcua.value-name                   | Effective when `with-quality` = true, 
specifies the name of the value point. **Note**: Supported since V2.0.8, only 
for client-server mode                                                          
                                                                                
                                                                                
                                                                                
                  [...]
-| opcua.quality-name                 | Effective when `with-quality` = true, 
specifies the name of the quality point. **Note**: Supported since V2.0.8, only 
for client-server mode                                                          
                                                                                
                                                                                
                                                                                
                [...]
-| opcua.default-quality              | When no quality is provided, specify 
`GOOD`/`UNCERTAIN`/`BAD` via SQL parameter. **Note**: Supported since V2.0.8, 
only for client-server mode                                                     
                                                                                
                                                                                
                                                                                
                   [...]
-| opcua.timeout-seconds              | Client connection timeout in seconds 
(effective only when IoTDB acts as client). **Note**: Supported since V2.0.8, 
only for client-server mode                                                     
                                                                                
                                                                                
                                                                                
                   [...]
+| opcua.with-quality                 | Whether OPC UA publishes data in value 
+ quality mode. When enabled, system processes data as follows:1. Both value 
and quality present → Push directly to OPC UA Server.2. Only value present → 
Quality automatically filled as UNCERTAIN (default, configurable).3. Only 
quality present → Ignore write (no processing).4. Non-value/quality fields 
present → Ignore data and log warning (configurable log frequency to avoid 
high-frequency interference).5. Qual [...]
+| opcua.value-name                   | Effective when `with-quality` = true, 
specifies the name of the value point. **Note**: Supported since V2.0.8-beta, 
only for client-server mode                                                     
                                                                                
                                                                                
                                                                                
                  [...]
+| opcua.quality-name                 | Effective when `with-quality` = true, 
specifies the name of the quality point. **Note**: Supported since V2.0.8-beta, 
only for client-server mode                                                     
                                                                                
                                                                                
                                                                                
                [...]
+| opcua.default-quality              | When no quality is provided, specify 
`GOOD`/`UNCERTAIN`/`BAD` via SQL parameter. **Note**: Supported since 
V2.0.8-beta, only for client-server mode                                        
                                                                                
                                                                                
                                                                                
                           [...]
+| opcua.timeout-seconds              | Client connection timeout in seconds 
(effective only when IoTDB acts as client). **Note**: Supported since 
V2.0.8-beta, only for client-server mode                                        
                                                                                
                                                                                
                                                                                
                           [...]
 
 #### 2.1.3 Example
 
@@ -229,7 +229,7 @@ CREATE PIPE p1
 
 > **Parameter Naming Note**: All parameters support omitting `opcua.` prefix 
 > (e.g., `node-urls` and `opcua.node-urls` are equivalent).
 >
-> **Support Note**: All `opcua.` parameters are supported starting from 
V2.0.8, and only for `client-server` mode.
+> **Support Note**: All `opcua.` parameters are supported starting from 
V2.0.8-beta, and only for `client-server` mode.
 
 #### 3.1.3 Example
 
diff --git 
a/src/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
 
b/src/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
index 137a4422..e11e3f9a 100644
--- 
a/src/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
+++ 
b/src/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
@@ -85,7 +85,7 @@ To ensure the AINode installation package you obtained is 
complete and correct,
 ### 2.3 Environment Requirements
 
 - Recommended operating environment: Linux, macOS.
-- IoTDB Version: >= V2.0.8.
+- IoTDB Version: >= V2.0.8-beta.
 
 ## 3. Installation, Deployment, and Usage
 
diff --git 
a/src/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
 
b/src/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
index 41dcd291..769c49f0 100644
--- 
a/src/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
+++ 
b/src/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
@@ -89,7 +89,7 @@ sha512sum timechodb-2.0.6.1-ainode-bin.zip
 ### 2.3 Environment Requirements
 
 - Recommended operating environment: Linux, macOS.
-- TimechoDB Version: >= V2.0.8.
+- TimechoDB Version: >= V2.0.8-beta.
 
 ## 3. Installation, Deployment, and Usage
 
diff --git a/src/UserGuide/latest/Tools-System/Data-Export-Tool_apache.md 
b/src/UserGuide/latest/Tools-System/Data-Export-Tool_apache.md
index 8e1f0cdf..932c0813 100644
--- a/src/UserGuide/latest/Tools-System/Data-Export-Tool_apache.md
+++ b/src/UserGuide/latest/Tools-System/Data-Export-Tool_apache.md
@@ -37,8 +37,8 @@ The data export tool, export-data.sh (Unix/OS X) or 
export-data.bat (Windows), l
 | `-pw`      | `--password`         | Password for authentication.             
                                                                                
   | No         | `root`                                                        
                              |
 | `-t`       | `--target`           | Target directory for the output files. 
If the path does not exist, it will be created.                                 
     | ​**Yes**   | -                                                           
                                |
 | `-pfn`     | `--prefix_file_name` | Prefix for the exported file names. For 
example, `abc` will generate files like `abc_0.tsfile`, `abc_1.tsfile`. | No    
     | `dump_0.tsfile`                                                          
                   |
-| `-q`       | `--query`            | SQL query command to execute. Starting 
from v2.0.8, semicolons in SQL statements are automatically removed, and query 
execution proceeds normally.  | No         | -                                  
                                                         |
-| `-timeout` | `--query_timeout`    | Query timeout in milliseconds (ms).      
                                                                                
                           | No         | `-1` (before 
v2.0.8)<br>`Long.MAX_VALUE` (v2.0.8 and later)<br>(Range: `-1~Long.MAX_VALUE`) |
+| `-q`       | `--query`            | SQL query command to execute. Starting 
from v2.0.8-beta, semicolons in SQL statements are automatically removed, and 
query execution proceeds normally.  | No         | -                            
                                                               |
+| `-timeout` | `--query_timeout`    | Query timeout in milliseconds (ms).      
                                                                                
                           | No         | `-1` (before 
v2.0.8-beta)<br>`Long.MAX_VALUE` (v2.0.8-beta and later)<br>(Range: 
`-1~Long.MAX_VALUE`) |
 | `-help`    | `--help`             | Display help information.                
                                                                                
   | No         | -                                                             
                              |
 
 ### 2.2 CSV Format
diff --git a/src/UserGuide/latest/Tools-System/Data-Export-Tool_timecho.md 
b/src/UserGuide/latest/Tools-System/Data-Export-Tool_timecho.md
index dd019136..46b15428 100644
--- a/src/UserGuide/latest/Tools-System/Data-Export-Tool_timecho.md
+++ b/src/UserGuide/latest/Tools-System/Data-Export-Tool_timecho.md
@@ -37,8 +37,8 @@ The data export tool, export-data.sh (Unix/OS X) or 
export-data.bat (Windows), l
 | `-pw`      | `--password`         | Password for authentication.             
                                                                                
                           | No              | `TimechoDB@2021`(Before V2.0.6 
it is `root` )                                                       |
 | `-t`       | `--target`           | Target directory for the output files. 
If the path does not exist, it will be created.                                 
                             | ​**Yes** | -                                     
                                                              |
 | `-pfn`     | `--prefix_file_name` | Prefix for the exported file names. For 
example, `abc` will generate files like `abc_0.tsfile`, `abc_1.tsfile`.         
                            | No              | `dump_0.tsfile`                 
                                                                    |
-| `-q`       | `--query`            | SQL query command to execute. Starting 
from v2.0.8, semicolons in SQL statements are automatically removed, and query 
execution proceeds normally.  | No              | -                             
                                                                      |
-| `-timeout` | `--query_timeout`    | Query timeout in milliseconds (ms).      
                                                                                
                           | No              | `-1` (before 
v2.0.8)<br>`Long.MAX_VALUE` (v2.0.8 and later)<br>(Range: `-1~Long.MAX_VALUE`) |
+| `-q`       | `--query`            | SQL query command to execute. Starting 
from v2.0.8-beta, semicolons in SQL statements are automatically removed, and 
query execution proceeds normally.  | No              | -                       
                                                                            |
+| `-timeout` | `--query_timeout`    | Query timeout in milliseconds (ms).      
                                                                                
                           | No              | `-1` (before 
v2.0.8-beta)<br>`Long.MAX_VALUE` (v2.0.8-beta and later)<br>(Range: 
`-1~Long.MAX_VALUE`) |
 | `-help`    | `--help`             | Display help information.                
                                                                                
                           | No              | -                                
                                                                   |
 
 ### 2.2 CSV Format
diff --git a/src/UserGuide/latest/User-Manual/Audit-Log_timecho.md 
b/src/UserGuide/latest/User-Manual/Audit-Log_timecho.md
index 89b59969..1a0b7d93 100644
--- a/src/UserGuide/latest/User-Manual/Audit-Log_timecho.md
+++ b/src/UserGuide/latest/User-Manual/Audit-Log_timecho.md
@@ -30,7 +30,7 @@ Audit logs provide a documented record of database 
activities. Through the audit
 * Ability to configure audit log file retention periods using TTL (time-based 
rolling) and SpaceTL (space-based rolling)
 * Audit logs are encrypted by default
 
-> Note: This feature is available from version V2.0.8 onwards.
+> Note: This feature is available from version V2.0.8-beta onwards.
 
 ## 2. Configuration Parameters
 
diff --git a/src/UserGuide/latest/User-Manual/Maintenance-commands.md 
b/src/UserGuide/latest/User-Manual/Maintenance-commands.md
index 78ab71b7..e72ce52f 100644
--- a/src/UserGuide/latest/User-Manual/Maintenance-commands.md
+++ b/src/UserGuide/latest/User-Manual/Maintenance-commands.md
@@ -247,7 +247,7 @@ IoTDB> SHOW REGIONS
 
 **Description**: Returns the RPC addresses and ports of all available 
DataNodes in the current cluster. Note: A DataNode is considered "available" if 
it is not in the REMOVING state.
 
-> This feature is supported starting from v2.0.8.
+> This feature is supported starting from v2.0.8-beta.
 
 **Syntax**:
 
diff --git 
a/src/zh/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
 
b/src/zh/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
index 7bf4d6d2..67c0278c 100644
--- 
a/src/zh/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
+++ 
b/src/zh/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
@@ -87,7 +87,7 @@ 
b39039a1235a86bc3ce3df0a102efa215e281b5839683ccaf47883b390af4e686f99e6980a24a9d4
 ### 2.3 环境要求
 
 * 建议操作环境: Linux, MacOS;
-* IoTDB 版本:>= V 2.0.8;
+* IoTDB 版本:>= V 2.0.8-beta;
 
 ## 3. 安装部署及使用
 
diff --git 
a/src/zh/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
 
b/src/zh/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
index cee303d6..16797356 100644
--- 
a/src/zh/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
+++ 
b/src/zh/UserGuide/latest-Table/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
@@ -85,7 +85,7 @@ sha512sum timechodb-2.0.6.1-ainode-bin.zip
 ### 2.3 环境要求
 
 * 建议操作环境: Linux, MacOS;
-* TimechoDB 版本:>= V 2.0.8;
+* TimechoDB 版本:>= V 2.0.8-beta;
 
 ## 3. 安装部署及使用
 
diff --git a/src/zh/UserGuide/latest-Table/Reference/System-Tables_apache.md 
b/src/zh/UserGuide/latest-Table/Reference/System-Tables_apache.md
index 418b08f6..0b8f5de6 100644
--- a/src/zh/UserGuide/latest-Table/Reference/System-Tables_apache.md
+++ b/src/zh/UserGuide/latest-Table/Reference/System-Tables_apache.md
@@ -369,7 +369,7 @@ IoTDB> select * from information_schema.views
 
 ### 2.11 MODELS 表
 
-> 该系统表从 V 2.0.5 版本开始提供,从V 2.0.8 版本开始不再提供
+> 该系统表从 V 2.0.5 版本开始提供,从V 2.0.8-beta 版本开始不再提供
 
 * 包含数据库内所有的模型信息
 * 表结构如下表所示:
@@ -589,7 +589,7 @@ IoTDB> select * from information_schema.data_nodes
 
 ### 2.18 CONNECTIONS 表
 
-> 该系统表从 V 2.0.8 版本开始提供
+> 该系统表从 V 2.0.8-beta 版本开始提供
 
 * 包含集群中所有连接。
 * 表结构如下表所示:
@@ -616,7 +616,7 @@ IoTDB> select * from information_schema.connections;
 
 ### 2.19 CURRENT\_QUERIES 表
 
-> 该系统表从 V 2.0.8 版本开始提供
+> 该系统表从 V 2.0.8-beta 版本开始提供
 
 * 包含所有执行结束时间在 `[now() - query_cost_stat_window, now())` 
范围内的所有查询,也包括当前正在执行的查询。其中`query_cost_stat_window `代表查询耗时统计的窗口,默认值为 0 
,可通过配置文件`iotdb-system.properties`进行配置。
 * 表结构如下表所示:
@@ -647,7 +647,7 @@ IoTDB> select * from information_schema.current_queries;
 
 ### 2.20 QUERIES\_COSTS\_HISTOGRAM 表
 
-> 该系统表从 V 2.0.8 版本开始提供
+> 该系统表从 V 2.0.8-beta 版本开始提供
 
 * 包含过去 `query_cost_stat_window` 时间内的查询耗时的直方图(仅统计已经执行结束的 
SQL),其中`query_cost_stat_window `代表查询耗时统计的窗口,默认值为 0 
,可通过配置文件`iotdb-system.properties`进行配置。
 * 表结构如下表所示:
diff --git a/src/zh/UserGuide/latest-Table/Reference/System-Tables_timecho.md 
b/src/zh/UserGuide/latest-Table/Reference/System-Tables_timecho.md
index e13fa2c5..45b71a51 100644
--- a/src/zh/UserGuide/latest-Table/Reference/System-Tables_timecho.md
+++ b/src/zh/UserGuide/latest-Table/Reference/System-Tables_timecho.md
@@ -369,7 +369,7 @@ IoTDB> select * from information_schema.views
 
 ### 2.11 MODELS 表
 
-> 该系统表从 V 2.0.5 版本开始提供,从V 2.0.8 版本开始不再提供
+> 该系统表从 V 2.0.5 版本开始提供,从V 2.0.8-beta 版本开始不再提供
 
 * 包含数据库内所有的模型信息
 * 表结构如下表所示:
@@ -589,7 +589,7 @@ IoTDB> select * from information_schema.data_nodes
 
 ### 2.18 CONNECTIONS 表
 
-> 该系统表从 V 2.0.8 版本开始提供
+> 该系统表从 V 2.0.8-beta 版本开始提供
 
 * 包含集群中所有连接。
 * 表结构如下表所示:
@@ -616,7 +616,7 @@ IoTDB> select * from information_schema.connections;
 
 ### 2.19 CURRENT\_QUERIES 表
 
-> 该系统表从 V 2.0.8 版本开始提供
+> 该系统表从 V 2.0.8-beta 版本开始提供
 
 * 包含所有执行结束时间在 `[now() - query_cost_stat_window, now())` 
范围内的所有查询,也包括当前正在执行的查询。其中`query_cost_stat_window `代表查询耗时统计的窗口,默认值为 0 
,可通过配置文件`iotdb-system.properties`进行配置。
 * 表结构如下表所示:
@@ -647,7 +647,7 @@ IoTDB> select * from information_schema.current_queries;
 
 ### 2.20 QUERIES\_COSTS\_HISTOGRAM 表
 
-> 该系统表从 V 2.0.8 版本开始提供
+> 该系统表从 V 2.0.8-beta 版本开始提供
 
 * 包含过去 `query_cost_stat_window` 时间内的查询耗时的直方图(仅统计已经执行结束的 
SQL),其中`query_cost_stat_window `代表查询耗时统计的窗口,默认值为 0 
,可通过配置文件`iotdb-system.properties`进行配置。
 * 表结构如下表所示:
diff --git 
a/src/zh/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements.md 
b/src/zh/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements.md
index 4793ddd1..00efaff1 100644
--- a/src/zh/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements.md
+++ b/src/zh/UserGuide/latest-Table/SQL-Manual/SQL-Maintenance-Statements.md
@@ -228,7 +228,7 @@ IoTDB> SHOW REGIONS
 
 **含义**:返回当前集群所有可用的 DataNode 的 RPC 地址和端口。注意:这里对于“可用”的定义为:处于非 REMOVING 状态的 DN 节点。
 
-> V2.0.8 起支持该功能
+> V2.0.8-beta 起支持该功能
 
 #### 语法:
 
diff --git 
a/src/zh/UserGuide/latest-Table/Tools-System/Data-Export-Tool_apache.md 
b/src/zh/UserGuide/latest-Table/Tools-System/Data-Export-Tool_apache.md
index 569da995..36e4119f 100644
--- a/src/zh/UserGuide/latest-Table/Tools-System/Data-Export-Tool_apache.md
+++ b/src/zh/UserGuide/latest-Table/Tools-System/Data-Export-Tool_apache.md
@@ -46,8 +46,8 @@
 |-end_time   |--end_time   | 将要导出的数据的终止时间,只有`-sql_dialect`为 table 
类型时生效。如果填写了`-q`,则此参数不生效。| 否                                                    
| -                                                                         |
 | -t       | --target             | 指定输出文件的目标文件夹,如果路径不存在新建文件夹                  
 | √           |                                                                
           |
 | -pfn     | --prefix\_file\_name | 
指定导出文件的名称。例如:abc,生成的文件是abc\_0.tsfile、abc\_1.tsfile | 否           | 
dump\_0.tsfile                                                            |
-| -q       | --query              | 要执行的查询语句。自 V2.0.8 起,SQL 
语句中的分号将被自动移除,查询执行保持正常。    | 否           | 无                                     
                                    |
-| -timeout | --query\_timeout     | 会话查询的超时时间(ms)                              
        | 否           | `-1`(V2.0.8 之前)<br>`Long.MAX_VALUE`(V2.0.8 
及之后)<br>范围:`-1~Long.MAX_VALUE` |
+| -q       | --query              | 要执行的查询语句。自 V2.0.8-beta 起,SQL 
语句中的分号将被自动移除,查询执行保持正常。    | 否           | 无                                     
                                    |
+| -timeout | --query\_timeout     | 会话查询的超时时间(ms)                              
        | 否           | `-1`(V2.0.8-beta 之前)<br>`Long.MAX_VALUE`(V2.0.8-beta 
及之后)<br>范围:`-1~Long.MAX_VALUE` |
 | -help    | --help               | 显示帮助信息                                     
                    | 否           |                                             
                              |
 
 ### 2.2 CSV 格式
diff --git 
a/src/zh/UserGuide/latest-Table/Tools-System/Data-Export-Tool_timecho.md 
b/src/zh/UserGuide/latest-Table/Tools-System/Data-Export-Tool_timecho.md
index e6b5aae1..4c964c0d 100644
--- a/src/zh/UserGuide/latest-Table/Tools-System/Data-Export-Tool_timecho.md
+++ b/src/zh/UserGuide/latest-Table/Tools-System/Data-Export-Tool_timecho.md
@@ -46,8 +46,8 @@
 |-end_time   |--end_time   | 将要导出的数据的终止时间,只有`-sql_dialect`为 table 
类型时生效。如果填写了`-q`,则此参数不生效。| 否                                                    
| -                                                                           |
 | -t       | --target             | 指定输出文件的目标文件夹,如果路径不存在新建文件夹                  
 | √           |                                                                
             |
 | -pfn     | --prefix\_file\_name | 
指定导出文件的名称。例如:abc,生成的文件是abc\_0.tsfile、abc\_1.tsfile | 否           | 
dump\_0.tsfile                                                              |
-| -q       | --query              | 要执行的查询语句。自 V2.0.8 起,SQL 
语句中的分号将被自动移除,查询执行保持正常。    | 否           | 无                                     
                                      |
-| -timeout | --query\_timeout     | 会话查询的超时时间(ms)                              
        | 否           | `-1`(V2.0.8 之前)<br>`Long.MAX_VALUE`(V2.0.8 
及之后)<br>范围:`-1~Long.MAX_VALUE` |
+| -q       | --query              | 要执行的查询语句。自 V2.0.8-beta 起,SQL 
语句中的分号将被自动移除,查询执行保持正常。    | 否           | 无                                     
                                      |
+| -timeout | --query\_timeout     | 会话查询的超时时间(ms)                              
        | 否           | `-1`(V2.0.8-beta 之前)<br>`Long.MAX_VALUE`(V2.0.8-beta 
及之后)<br>范围:`-1~Long.MAX_VALUE` |
 | -help    | --help               | 显示帮助信息                                     
                    | 否           |                                             
                                |
 
 ### 2.2 CSV 格式
diff --git a/src/zh/UserGuide/latest-Table/User-Manual/Audit-Log_timecho.md 
b/src/zh/UserGuide/latest-Table/User-Manual/Audit-Log_timecho.md
index 89d21440..299107e8 100644
--- a/src/zh/UserGuide/latest-Table/User-Manual/Audit-Log_timecho.md
+++ b/src/zh/UserGuide/latest-Table/User-Manual/Audit-Log_timecho.md
@@ -31,7 +31,7 @@
 * 可通过参数设置审计日志文件的存储周期,包括基于 TTL 实现时间滚动和基于 SpaceTL 实现空间滚动。
 * 审计日志文件默认加密存储
 
-> 注意:该功能从 V2.0.8 版本开始提供。
+> 注意:该功能从 V2.0.8-beta 版本开始提供。
 
 ## 2. 配置参数
 
diff --git 
a/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_apache.md 
b/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_apache.md
index 8c74bea3..15da30a0 100644
--- a/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_apache.md
+++ b/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_apache.md
@@ -340,7 +340,7 @@ IoTDB> SHOW REGIONS
 
 **含义**:返回当前集群所有可用的 DataNode 的 RPC 地址和端口。注意:这里对于“可用”的定义为:处于非 REMOVING 状态的 DN 节点。
 
-> V2.0.8 起支持该功能
+> V2.0.8-beta 起支持该功能
 
 #### 语法:
 
diff --git 
a/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_timecho.md 
b/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_timecho.md
index aadcb8b2..41eda769 100644
--- a/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_timecho.md
+++ b/src/zh/UserGuide/latest-Table/User-Manual/Maintenance-statement_timecho.md
@@ -340,7 +340,7 @@ IoTDB> SHOW REGIONS
 
 **含义**:返回当前集群所有可用的 DataNode 的 RPC 地址和端口。注意:这里对于“可用”的定义为:处于非 REMOVING 状态的 DN 节点。
 
-> V2.0.8 起支持该功能
+> V2.0.8-beta 起支持该功能
 
 #### 语法:
 
diff --git a/src/zh/UserGuide/latest/API/Programming-OPC-UA_timecho.md 
b/src/zh/UserGuide/latest/API/Programming-OPC-UA_timecho.md
index cb545a4d..83f2deba 100644
--- a/src/zh/UserGuide/latest/API/Programming-OPC-UA_timecho.md
+++ b/src/zh/UserGuide/latest/API/Programming-OPC-UA_timecho.md
@@ -27,7 +27,7 @@
 
 * **模式一:数据订阅服务 (IoTDB 作为 OPC UA 服务器)**:IoTDB 启动内置的 OPC UA 服务器,被动地允许外部客户端(如 
UAExpert)连接并订阅其内部数据。这是传统用法。
 * **模式二:数据主动推送 (IoTDB 作为 OPC UA 客户端)**:IoTDB 作为客户端,主动将数据和元数据同步到一个或多个独立部署的外部 
OPC UA 服务器。
-  > 注意:该模式从 V2.0.8 起支持。
+  > 注意:该模式从 V2.0.8-beta 起支持。
 
 **注意:模式互斥**
 
@@ -61,22 +61,22 @@ create pipe p1
 
 #### 2.1.2 参数
 
-| **参数**                     | **描述**                                          
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| ------------------------------------ | 
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 [...]
-| sink                               | OPC UA SINK                             
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| sink.opcua.model                   | OPC UA 使用的模式                            
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| sink.opcua.tcp.port                | OPC UA 的 TCP 端口                         
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| sink.opcua.https.port              | OPC UA 的 HTTPS 端口                       
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| sink.opcua.security.dir            | OPC UA 的密钥及证书目录                         
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| opcua.security-policy              | OPC UA 
连接使用的安全策略,不区分大小写。可以配置多个,用`,`连接。配置一个安全策略后,client 
才能用对应的策略连接。当前实现默认支持`None`和`Basic256Sha256`策略,应该默认改为任意的非`None`策略,`None`策略在调试环境中单独配置,因为`None`策略虽然不需移动证书,操作方便,但是不安全,生产环境的
 server 不建议支持该策略。注意:V2.0.8 起支持该参数,且仅支持 client-server 模式                         
                                                                                
                     | 
String(安全性依次递增):<br>`None`<br>`Basic128Rsa15`<br>`Basic256`<br>`Basic256Sha256`<br>`Aes128_Sha256
 [...]
-| sink.opcua.enable-anonymous-access | OPC UA 是否允许匿名访问                         
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| sink.user                          | 用户,这里指 OPC UA 的允许用户                     
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| sink.password                      | 密码,这里指 OPC UA 的允许密码                     
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| opcua.with-quality                 | OPC UA 的测点发布是否为 value + quality 
模式。启用配置后,系统将按以下规则处理写入数据:<br>1. 同时包含 value 和 quality,则直接推送至 OPC UA Server。<br>2. 
仅包含 value,则 quality 自动填充为 UNCERTAIN(默认值,支持自定义配置)。<br>3. 仅包含 
quality,则该写入被忽略,不进行任何处理。<br>4. 包含非 value/quality 
字段,则忽略该数据,并记录警告日志(日志频率可配置,避免高频干扰)。<br>5. quality 类型限制:目前仅支持布尔类型(true 表示 
GOOD,false 表示 BAD);   注意:V2.0.8 起支持该参数,且仅支持 client-server 模式 | Boolean          
                                                                                
 [...]
-| opcua.value-name                   | With-quality 为 true 时生效,表示 value 测点的名字。 
  注意:V2.0.8 起支持该参数,且仅支持 client-server 模式                                        
                                                                                
                                                                                
                                                                                
                                                                                
              [...]
-| opcua.quality-name                 | With-quality 为 true 时生效,表示 quality 
测点的名字。   注意:V2.0.8 起支持该参数,且仅支持 client-server 模式                                 
                                                                                
                                                                                
                                                                                
                                                                                
                   [...]
-| opcua.default-quality              | 没有 quality 时,可以通过 SQL 
参数指定`GOOD`/`UNCERTAIN`/`BAD`。   注意:V2.0.8 起支持该参数,且仅支持 client-server 模式          
                                                                                
                                                                                
                                                                                
                                                                                
                                [...]
-| opcua.timeout-seconds              | Client 连接 server 的超时秒数,仅在 IoTDB 为 
client 时生效   注意:V2.0.8 起支持该参数,且仅支持 client-server 模式                             
                                                                                
                                                                                
                                                                                
                                                                                
                    [...]
+| **参数**                     | **描述**                                          
                                                                                
                                                                                
                                                                                
                                                                  | **取值范围**    
                                                                                
              [...]
+| ------------------------------------ 
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------------------------
 [...]
+| sink                               | OPC UA SINK                             
                                                                                
                                                                                
                                                                                
                                                                          | 
String: opc-ua-sink                                                             
                  [...]
+| sink.opcua.model                   | OPC UA 使用的模式                            
                                                                                
                                                                                
                                                                                
                                                                          | 
String: client-server / pub-sub                                                 
                  [...]
+| sink.opcua.tcp.port                | OPC UA 的 TCP 端口                         
                                                                                
                                                                                
                                                                                
                                                                          | 
Integer: [0, 65536]                                                             
                  [...]
+| sink.opcua.https.port              | OPC UA 的 HTTPS 端口                       
                                                                                
                                                                                
                                                                                
                                                                          | 
Integer: [0, 65536]                                                             
                  [...]
+| sink.opcua.security.dir            | OPC UA 的密钥及证书目录                         
                                                                                
                                                                                
                                                                                
                                                                          | 
String: Path,支持绝对及相对目录                                                          
                  [...]
+| opcua.security-policy              | OPC UA 
连接使用的安全策略,不区分大小写。可以配置多个,用`,`连接。配置一个安全策略后,client 
才能用对应的策略连接。当前实现默认支持`None`和`Basic256Sha256`策略,应该默认改为任意的非`None`策略,`None`策略在调试环境中单独配置,因为`None`策略虽然不需移动证书,操作方便,但是不安全,生产环境的
 server 不建议支持该策略。注意:V2.0.8-beta 起支持该参数,且仅支持 client-server 模式                    
                                                                                
                     | 
String(安全性依次递增):<br>`None`<br>`Basic128Rsa15`<br>`Basic256`<br>`Basic256Sha256`<br>`Aes128_Sha256
 [...]
+| sink.opcua.enable-anonymous-access | OPC UA 是否允许匿名访问                         
                                                                                
                                                                                
                                                                                
                                                                          | 
Boolean                                                                         
                  [...]
+| sink.user                          | 用户,这里指 OPC UA 的允许用户                     
                                                                                
                                                                                
                                                                                
                                                                          | 
String                                                                          
                  [...]
+| sink.password                      | 密码,这里指 OPC UA 的允许密码                     
                                                                                
                                                                                
                                                                                
                                                                          | 
String                                                                          
                  [...]
+| opcua.with-quality                 | OPC UA 的测点发布是否为 value + quality 
模式。启用配置后,系统将按以下规则处理写入数据:<br>1. 同时包含 value 和 quality,则直接推送至 OPC UA Server。<br>2. 
仅包含 value,则 quality 自动填充为 UNCERTAIN(默认值,支持自定义配置)。<br>3. 仅包含 
quality,则该写入被忽略,不进行任何处理。<br>4. 包含非 value/quality 
字段,则忽略该数据,并记录警告日志(日志频率可配置,避免高频干扰)。<br>5. quality 类型限制:目前仅支持布尔类型(true 表示 
GOOD,false 表示 BAD);   注意:V2.0.8-beta 起支持该参数,且仅支持 client-server 模式 | Boolean     
                                                                                
 [...]
+| opcua.value-name                   | With-quality 为 true 时生效,表示 value 测点的名字。 
  注意:V2.0.8-beta 起支持该参数,且仅支持 client-server 模式                                   
                                                                                
                                                                                
                                                                               
| String                                                                        
               [...]
+| opcua.quality-name                 | With-quality 为 true 时生效,表示 quality 
测点的名字。   注意:V2.0.8-beta 起支持该参数,且仅支持 client-server 模式                            
                                                                                
                                                                                
                                                                                
    | String                                                                    
                   [...]
+| opcua.default-quality              | 没有 quality 时,可以通过 SQL 
参数指定`GOOD`/`UNCERTAIN`/`BAD`。   注意:V2.0.8-beta 起支持该参数,且仅支持 client-server 模式     
                                                                                
                                                                                
                                                                                
                 | String:`GOOD`/`UNCERTAIN`/`BAD`                              
                                [...]
+| opcua.timeout-seconds              | Client 连接 server 的超时秒数,仅在 IoTDB 为 
client 时生效   注意:V2.0.8-beta 起支持该参数,且仅支持 client-server 模式                        
                                                                                
                                                                                
                                                                                
     | Long                                                                     
                    [...]
 
 #### 2.1.3 示例
 
@@ -288,7 +288,7 @@ create pipe p1
 
 > **参数命名注意**:以上参数均支持省略 `opcua.` 前缀,例如 `node-urls` 和 `opcua.node-urls` 等价。
 >
-> **参数支持说明**:V2.0.8 起支持以上`opcua. `相关参数,且仅支持` client-server` 模式
+> **参数支持说明**:V2.0.8-beta 起支持以上`opcua. `相关参数,且仅支持` client-server` 模式
 
 #### 3.1.3 示例
 
diff --git 
a/src/zh/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
 
b/src/zh/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
index 7bf4d6d2..67c0278c 100644
--- 
a/src/zh/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
+++ 
b/src/zh/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_apache.md
@@ -87,7 +87,7 @@ 
b39039a1235a86bc3ce3df0a102efa215e281b5839683ccaf47883b390af4e686f99e6980a24a9d4
 ### 2.3 环境要求
 
 * 建议操作环境: Linux, MacOS;
-* IoTDB 版本:>= V 2.0.8;
+* IoTDB 版本:>= V 2.0.8-beta;
 
 ## 3. 安装部署及使用
 
diff --git 
a/src/zh/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
 
b/src/zh/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
index cee303d6..16797356 100644
--- 
a/src/zh/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
+++ 
b/src/zh/UserGuide/latest/Deployment-and-Maintenance/AINode_Deployment_Upgrade_timecho.md
@@ -85,7 +85,7 @@ sha512sum timechodb-2.0.6.1-ainode-bin.zip
 ### 2.3 环境要求
 
 * 建议操作环境: Linux, MacOS;
-* TimechoDB 版本:>= V 2.0.8;
+* TimechoDB 版本:>= V 2.0.8-beta;
 
 ## 3. 安装部署及使用
 
diff --git a/src/zh/UserGuide/latest/Tools-System/Data-Export-Tool_apache.md 
b/src/zh/UserGuide/latest/Tools-System/Data-Export-Tool_apache.md
index 496c7ed2..8c9f8b55 100644
--- a/src/zh/UserGuide/latest/Tools-System/Data-Export-Tool_apache.md
+++ b/src/zh/UserGuide/latest/Tools-System/Data-Export-Tool_apache.md
@@ -40,8 +40,8 @@
 | -pw      | --password           | 密码                                         
        | 否           | root                                                    
                    |
 | -t       | --target             | 指定输出文件的目标文件夹,如果路径不存在新建文件夹                  
        | √           |                                                         
                    |
 | -pfn     | --prefix\_file\_name | 
指定导出文件的名称。例如:abc,生成的文件是abc\_0.tsfile、abc\_1.tsfile | 否           | 
dump\_0.tsfile                                                              |
-| -q       | --query              | 要执行的查询语句。自 V2.0.8 起,SQL 
语句中的分号将被自动移除,查询执行保持正常。    | 否           | 无                                     
                                      |
-| -timeout | --query\_timeout     | 会话查询的超时时间(ms)                              
        | 否           | `-1`(V2.0.8 之前)<br>`Long.MAX_VALUE`(V2.0.8 
及之后)<br>范围:`-1~Long.MAX_VALUE` |
+| -q       | --query              | 要执行的查询语句。自 V2.0.8-beta 起,SQL 
语句中的分号将被自动移除,查询执行保持正常。    | 否           | 无                                     
                                      |
+| -timeout | --query\_timeout     | 会话查询的超时时间(ms)                              
        | 否           | `-1`(V2.0.8-beta 之前)<br>`Long.MAX_VALUE`(V2.0.8-beta 
及之后)<br>范围:`-1~Long.MAX_VALUE` |
 | -help    | --help               | 显示帮助信息                                     
        | 否           |                                                         
                    |
 
 ### 2.2 Csv 格式
diff --git a/src/zh/UserGuide/latest/Tools-System/Data-Export-Tool_timecho.md 
b/src/zh/UserGuide/latest/Tools-System/Data-Export-Tool_timecho.md
index 642d29af..3b98da39 100644
--- a/src/zh/UserGuide/latest/Tools-System/Data-Export-Tool_timecho.md
+++ b/src/zh/UserGuide/latest/Tools-System/Data-Export-Tool_timecho.md
@@ -40,8 +40,8 @@
 | -pw      | --password           | 密码                                         
                        | 否           | TimechoDB@2021 (V2.0.6.x 版本之前为 root)    
 |
 | -t       | --target             | 指定输出文件的目标文件夹,如果路径不存在新建文件夹                  
 | √           |                                          |
 | -pfn     | --prefix\_file\_name | 
指定导出文件的名称。例如:abc,生成的文件是abc\_0.tsfile、abc\_1.tsfile | 否           | 
dump\_0.tsfile                           |
-| -q       | --query              | 要执行的查询语句。自 V2.0.8 起,SQL 
语句中的分号将被自动移除,查询执行保持正常。    | 否           | 无                                     
                                      |
-| -timeout | --query\_timeout     | 会话查询的超时时间(ms)                              
        | 否           | `-1`(V2.0.8 之前)<br>`Long.MAX_VALUE`(V2.0.8 
及之后)<br>范围:`-1~Long.MAX_VALUE` |
+| -q       | --query              | 要执行的查询语句。自 V2.0.8-beta 起,SQL 
语句中的分号将被自动移除,查询执行保持正常。    | 否           | 无                                     
                                      |
+| -timeout | --query\_timeout     | 会话查询的超时时间(ms)                              
        | 否           | `-1`(V2.0.8-beta 之前)<br>`Long.MAX_VALUE`(V2.0.8-beta 
及之后)<br>范围:`-1~Long.MAX_VALUE` |
 | -help    | --help               | 显示帮助信息                                     
                    | 否           |                                          |
 
 ### 2.2 Csv 格式
diff --git a/src/zh/UserGuide/latest/User-Manual/Audit-Log_timecho.md 
b/src/zh/UserGuide/latest/User-Manual/Audit-Log_timecho.md
index a4de129c..787b61c2 100644
--- a/src/zh/UserGuide/latest/User-Manual/Audit-Log_timecho.md
+++ b/src/zh/UserGuide/latest/User-Manual/Audit-Log_timecho.md
@@ -31,7 +31,7 @@
 * 可通过参数设置审计日志文件的存储周期,包括基于 TTL 实现时间滚动和基于 SpaceTL 实现空间滚动。
 * 审计日志文件默认加密存储
 
-> 注意:该功能从 V2.0.8 版本开始提供。
+> 注意:该功能从 V2.0.8-beta 版本开始提供。
 
 ## 2. 配置参数
 
diff --git a/src/zh/UserGuide/latest/User-Manual/Maintenance-statement.md 
b/src/zh/UserGuide/latest/User-Manual/Maintenance-statement.md
index 93259a49..45b37b01 100644
--- a/src/zh/UserGuide/latest/User-Manual/Maintenance-statement.md
+++ b/src/zh/UserGuide/latest/User-Manual/Maintenance-statement.md
@@ -248,7 +248,7 @@ IoTDB> SHOW REGIONS
 
 **含义**:返回当前集群所有可用的 DataNode 的 RPC 地址和端口。注意:这里对于“可用”的定义为:处于非 REMOVING 状态的 DN 节点。
 
-> V2.0.8 起支持该功能
+> V2.0.8-beta 起支持该功能
 
 #### 语法:
 

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