Github user guoxiaolongzte commented on the issue: https://github.com/apache/spark/pull/20216 @ajbozarth @srowen Fix the code, increase the arrow of the form page, maintain the consistency of the function. after fix: ![4](https://user-images.githubusercontent.com/26266482/34861201-29dcd1e4-f79e-11e7-8015-28c320e4b4bc.png) ![5](https://user-images.githubusercontent.com/26266482/34861202-2a114334-f79e-11e7-8deb-428836770bef.png) ![6](https://user-images.githubusercontent.com/26266482/34861203-2a3f6a3e-f79e-11e7-9c2a-924ea67b12c7.png) ![7](https://user-images.githubusercontent.com/26266482/34861204-2a70296c-f79e-11e7-915a-fc6a64e07108.png) ![8](https://user-images.githubusercontent.com/26266482/34861205-2aa42262-f79e-11e7-8c97-828ec24e0f71.png)
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