diff --git a/Docs/ShaderVariantCollector.md b/Docs/ShaderVariantCollector.md
index 39abda9..402b256 100644
--- a/Docs/ShaderVariantCollector.md
+++ b/Docs/ShaderVariantCollector.md
@@ -1,6 +1,6 @@
 # 着色器变种收集
 
-![image](https://github.com/tuyoogame/YooAsset/raw/main/Docs/Image/ShaderVariantCollector-img1.jpg)
+![image](https://github.com/tuyoogame/YooAsset/raw/main/Docs/Image/ShaderVariantCollector-img1.png)
 
 点击搜集变种按钮开始收集，请耐心等待结束。