diff --git a/app/appearance/langs/en_US.json b/app/appearance/langs/en_US.json
index 695a7c49d..e665fb31f 100644
--- a/app/appearance/langs/en_US.json
+++ b/app/appearance/langs/en_US.json
@@ -924,6 +924,7 @@
     "151": "Do not include symbols \\ / : * ? " ' < > |",
     "152": "Uploaded files %d, chunks %d, sent bytes %s",
     "153": "Downloaded files %d, chunks %d, received bytes %s",
-    "154": "The cloud can only support backup up to 12 snapshots"
+    "154": "The cloud can only support backup up to 12 snapshots",
+    "155": "Cloud sync directory has been reset to [main]"
   }
 }
diff --git a/app/appearance/langs/es_ES.json b/app/appearance/langs/es_ES.json
index 285ceec46..d44cb4929 100644
--- a/app/appearance/langs/es_ES.json
+++ b/app/appearance/langs/es_ES.json
@@ -924,6 +924,7 @@
     "151": "No incluir símbolos \\ / : * ? " ' < > |",
     "152": "Archivos cargados %d, fragmentos %d, bytes enviados %s",
     "153": "Archivos descargados %d, fragmentos %d, bytes recibidos %s",
-    "154": "La nube solo admite copias de seguridad de hasta 12 instantáneas"
+    "154": "La nube solo admite copias de seguridad de hasta 12 instantáneas",
+    "155": "El directorio de sincronización de la nube se ha restablecido a [main]"
   }
 }
diff --git a/app/appearance/langs/fr_FR.json b/app/appearance/langs/fr_FR.json
index 655463084..5b293fd77 100644
--- a/app/appearance/langs/fr_FR.json
+++ b/app/appearance/langs/fr_FR.json
@@ -924,6 +924,7 @@
     "151": "Ne pas inclure les symboles \\ / : * ? " ' < > |",
     "152": "Fichiers téléchargés %d, morceaux %d, octets envoyés %s",
     "153": "Fichiers chargés %d, morceaux %d, octets reçus %s",
-    "154": "Le cloud ne peut prendre en charge que la sauvegarde jusqu'à 12 instantanés"
+    "154": "Le cloud ne peut prendre en charge que la sauvegarde jusqu'à 12 instantanés",
+    "155": "Le répertoire de synchronisation du cloud a été réinitialisé sur [main]"
   }
 }
diff --git a/app/appearance/langs/zh_CHT.json b/app/appearance/langs/zh_CHT.json
index efd60c8ad..b2e4bb5ae 100644
--- a/app/appearance/langs/zh_CHT.json
+++ b/app/appearance/langs/zh_CHT.json
@@ -923,6 +923,7 @@
     "151": "請勿包含符號 \\ / : * ? " ' < > |",
     "152": "上傳文件數 %d 上傳分塊數 %d 發送字節數 %s",
     "153": "下載文件數 %d 下載分塊數 %d 接收字節數 %s",
-    "154": "雲端最多只能支持備份 12 個快照"
+    "154": "雲端最多只能支持備份 12 個快照",
+    "155": "雲端同步目錄已經重置為 [main]"
   }
 }
diff --git a/app/appearance/langs/zh_CN.json b/app/appearance/langs/zh_CN.json
index 43b886ed1..0f40ca5be 100644
--- a/app/appearance/langs/zh_CN.json
+++ b/app/appearance/langs/zh_CN.json
@@ -925,6 +925,7 @@
     "151": "请勿包含符号 \\ / : * ? " ' < > |",
     "152": "上传文件数 %d 上传分块数 %d 发送字节数 %s",
     "153": "下载文件数 %d 下载分块数 %d 接收字节数 %s",
-    "154": "云端最多只能支持备份 12 个快照"
+    "154": "云端最多只能支持备份 12 个快照",
+    "155": "云端同步目录已经重置为 [main]"
   }
 }
diff --git a/kernel/model/sync.go b/kernel/model/sync.go
index c324d9027..6d52bc4e7 100644
--- a/kernel/model/sync.go
+++ b/kernel/model/sync.go
@@ -72,7 +72,7 @@ func SyncData(boot, exit, byHand bool) {
 	}
 
 	if util.IsMutexLocked(&syncLock) {
-		util.LogWarnf("sync has been locked")
+		util.LogWarnf("a cloud sync operation still processing")
 		planSyncAfter(30 * time.Second)
 		return
 	}
@@ -1190,8 +1190,9 @@ func RemoveCloudSyncDir(name string) (err error) {
 	}
 
 	if Conf.Sync.CloudName == name {
-		Conf.Sync.CloudName = ""
+		Conf.Sync.CloudName = "main"
 		Conf.Save()
+		util.PushMsg(Conf.Language(155), 5000)
 	}
 	return
 }