diff --git a/app/src/main/java/io/agora/flat/Constants.kt b/app/src/main/java/io/agora/flat/Constants.kt
index 8f71d223..23fe6c40 100644
--- a/app/src/main/java/io/agora/flat/Constants.kt
+++ b/app/src/main/java/io/agora/flat/Constants.kt
@@ -5,6 +5,8 @@ class Constants {
         const val DEFAULT_CALLING_CODE = "+86"
 
         const val UPLOAD_TAG_CLOUD = "cloud"
+
+        const val UPLOAD_TAG_TAKE_PHOTO = "take_photo"
     }
 
     object URL {
diff --git a/app/src/main/java/io/agora/flat/ui/activity/play/ClassCloudViewModel.kt b/app/src/main/java/io/agora/flat/ui/activity/play/ClassCloudViewModel.kt
index fc11fc09..0fa85442 100644
--- a/app/src/main/java/io/agora/flat/ui/activity/play/ClassCloudViewModel.kt
+++ b/app/src/main/java/io/agora/flat/ui/activity/play/ClassCloudViewModel.kt
@@ -88,7 +88,7 @@ class ClassCloudViewModel @Inject constructor(
         }
 
         viewModelScope.launch {
-            UploadManager.observeSuccess(Constants.UPLOAD_TAG_CLOUD).collect {
+            UploadManager.observeSuccess(Constants.UPLOAD_TAG_TAKE_PHOTO).collect {
                 handleUploadSuccess(it)
             }
         }
@@ -192,7 +192,7 @@ class ClassCloudViewModel @Inject constructor(
                     mediaType = info.mediaType,
                     uri = info.uri,
 
-                    tag = Constants.UPLOAD_TAG_CLOUD,
+                    tag = Constants.UPLOAD_TAG_TAKE_PHOTO,
                 )
                 uploadingFiles[data.fileUUID] = data
                 UploadManager.upload(request)