[GitHub] [echarts] susiwen8 opened a new pull request #16614: fix(sanky):fallback to black if color were illegal

[GitBox]

susiwen8 opened a new pull request #16614:
URL: https://github.com/apache/echarts/pull/16614


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efficiently. -->
   
   ## Brief Information
   
   This pull request is in the type of:
   
   - [x] bug fixing
   - [ ] new feature
   - [ ] others
   
   
   
   ### What does this PR do?
   
   if `zrColor.parse` returns `undefiend`, use `#000` as default color
   
   
   
   ### Fixed issues
   
   - #16574
   
   ## Details
   
   ### Before: What was the problem?
   
   <img width="626" alt="Screen Shot 2022-03-02 at 10 31 52 PM" 
src="https://user-images.githubusercontent.com/20318608/156381658-48d7f96a-edb0-47dd-b4ff-c62826a1f9c2.png";>
   
   
   
   
   ### After: How is it fixed in this PR?
   
   <img width="1413" alt="Screen Shot 2022-03-02 at 10 31 19 PM" 
src="https://user-images.githubusercontent.com/20318608/156381586-d2a5f199-ff97-4967-913c-773e50de210c.png";>
   
   
   
   
   ## Misc
   
   <!-- ADD RELATED ISSUE ID WHEN APPLICABLE -->
   
   - [ ] The API has been changed (apache/echarts-doc#xxx).
   - [ ] This PR depends on ZRender changes (ecomfe/zrender#xxx).
   
   ### Related test cases or examples to use the new APIs
   
   N.A.
   
   
   
   ## Others
   
   ### Merging options
   
   - [ ] Please squash the commits into a single one when merging.
   
   ### Other information
   


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