diff --git a/src/forge/users/Avatar/Index.jsx b/src/forge/users/Avatar/Index.jsx
index 0f9e51f92..7c2136b51 100644
--- a/src/forge/users/Avatar/Index.jsx
+++ b/src/forge/users/Avatar/Index.jsx
@@ -18,7 +18,7 @@ function Index({onCancel,avatarImg,login}){
   const cropper = useRef();
 
   const saveAvatar = async () => {
-    const imgUrl = cropper.current.cropper.getCroppedCanvas().toDataURL("image/jpeg");
+    const imgUrl = cropper.current.cropper.getCroppedCanvas().toDataURL("image/png");
     if (!imgUrl) {
       message.info('请先上传图片');
     }