jiangjun432

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Hi: I want to create two `GSTC ` on the page,but there is an exception. ![image](https://user-images.githubusercontent.com/49701672/84846045-83195780-b080-11ea-91d4-cd136862efee.png) ![image](https://user-images.githubusercontent.com/49701672/84846127-ad6b1500-b080-11ea-9a6b-956c0786d07f.png)