完善代码

src/main/java/com/youlai/boot/mini/service/impl/MiniUserServiceImpl.java

@@ -105,6 +105,7 @@ public class MiniUserServiceImpl implements MiniUserService {
                 }
             } catch (Exception e) {
                 log.error("user avatar upload failed", e);
+                throw new MsgException("头像上传失败");
             }
         }