diff --git a/zh-cn/application-dev/ui/ui-js-components-stepper.md b/zh-cn/application-dev/ui/ui-js-components-stepper.md
index 3227dbcb8dc014479a0cf1e90912d7b18445ca27..7674b59b1222ee1053ae2935100b64a5028d3596 100644
--- a/zh-cn/application-dev/ui/ui-js-components-stepper.md
+++ b/zh-cn/application-dev/ui/ui-js-components-stepper.md
@@ -186,7 +186,7 @@ text{
 }
 ```
 
-![zh-cn_image_0000001234130975](figures/zh-cn_image_0000001234130975.PNG)
+![zh-cn_image_0000001234130975](figures/zh-cn_image_0000001234130975.png)
 
 
 ## 添加事件