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 ### 效果预览
 
-| 效果展示                                                               |
-|--------------------------------------------------------------------|
-| <img src="screenshot/device/cameraSample.gif" style="zoom:40%;" /> |
+| 效果展示                                        |
+|---------------------------------------------|
+| ![auth](screenshot/device/cameraSample.png) |
 
 使用说明
 1. 弹出是否允许“CameraSample”使用相机？点击“允许”
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