diff --git a/app/src/main/java/com/example/login_v3/data/api/Main_API_Service.kt b/app/src/main/java/com/example/login_v3/data/api/Main_API_Service.kt
index 555305d..f7c2679 100644
--- a/app/src/main/java/com/example/login_v3/data/api/Main_API_Service.kt
+++ b/app/src/main/java/com/example/login_v3/data/api/Main_API_Service.kt
@@ -36,7 +36,7 @@ interface TecnologiaApi {
     @Multipart
     @POST("api/me/avatar")
     suspend fun uploadAvatar(
-        @Part avatar: MultipartBody.Part
+        @Part file: MultipartBody.Part
     ): Response<Unit>
 
     // 發送好友請求
diff --git a/app/src/main/java/com/example/login_v3/home/setting/setting_detail_page/viewmodel/Profile_Viewmodel.kt b/app/src/main/java/com/example/login_v3/home/setting/setting_detail_page/viewmodel/Profile_Viewmodel.kt
index 714f92a..e4276b0 100644
--- a/app/src/main/java/com/example/login_v3/home/setting/setting_detail_page/viewmodel/Profile_Viewmodel.kt
+++ b/app/src/main/java/com/example/login_v3/home/setting/setting_detail_page/viewmodel/Profile_Viewmodel.kt
@@ -80,7 +80,7 @@ class PersonalProfileViewModel @Inject constructor(
         }
     }
 
-    // 在 ViewModel 類別內新增此 function
+    // upload image
     fun uploadAvatar(context: Context, uri: Uri) {
         viewModelScope.launch {
             // 如果你想要在上傳時讓 UI 顯示 Loading，可以在這開啟
@@ -96,7 +96,7 @@ class PersonalProfileViewModel @Inject constructor(
 
                 // 3. 建立 MultipartBody.Part
                 // 注意："avatar" 必須跟後端 @Part("avatar") 裡面的名稱一模一樣
-                val body = MultipartBody.Part.createFormData("avatar", "avatar.jpg", requestFile)
+                val body = MultipartBody.Part.createFormData("file", "avatar.jpg", requestFile)
 
                 // 4. 呼叫 Repository
                 repository.uploadAvatar(body)