zouyx commented on a change in pull request #722:
URL: https://github.com/apache/dubbo-go/pull/722#discussion_r481588588



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File path: protocol/protocolwrapper/protocol_filter_wrapper.go
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@@ -68,21 +68,16 @@ func (pfw *ProtocolFilterWrapper) Destroy() {
 }
 
 func buildInvokerChain(invoker protocol.Invoker, key string) protocol.Invoker {
-       filtName := invoker.GetUrl().GetParam(key, "")
-       if filtName == "" {

Review comment:
       In this case, `filterNames` is related to `filterName` .
   
   If some day, they dont have a relationship. I think it will cause a a hidden 
problem in the future...
   
   What do you think? @fangyincheng @AlexStocks 




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