diff --git a/BlazorLearnWebApp/Components/Components/UploadAvatar.razor b/BlazorLearnWebApp/Components/Components/UploadAvatar.razor
index bc257d6..fdca881 100644
--- a/BlazorLearnWebApp/Components/Components/UploadAvatar.razor
+++ b/BlazorLearnWebApp/Components/Components/UploadAvatar.razor
@@ -14,6 +14,7 @@
     public UserEntity? UserEntity { get; set; }
 
     private string? _uploadPath;
+    private UploadFile? _arg;
     
     private async Task OnAvatarUpload(UploadFile arg)
     {
@@ -44,6 +45,7 @@
         await arg.SaveToFileAsync(Path.Combine(WebHostEnvironment.WebRootPath, _uploadPath));
         
         arg.PrevUrl = _uploadPath;
+        _arg = arg;//save the arg
     }
 
     public async Task OnClose(DialogResult result)
@@ -57,6 +59,14 @@
             UserEntity!.AvatarPath = _uploadPath;
             await UserEntity.SaveAsync();
         }
+        else
+        {
+            if (!string.IsNullOrEmpty(_uploadPath) && _arg != null)
+            {
+                //delete new but cancelled avatar
+                File.Delete(Path.Combine(WebHostEnvironment.WebRootPath, _uploadPath));
+            }
+        }
     }
 
-}
\ No newline at end of file
+}