diff --git a/Editor/UX/UXTextMeshPro/UXTextMeshProEditor.cs b/Editor/UX/UXTextMeshPro/UXTextMeshProEditor.cs
index c28028c..b86cbf5 100644
--- a/Editor/UX/UXTextMeshPro/UXTextMeshProEditor.cs
+++ b/Editor/UX/UXTextMeshPro/UXTextMeshProEditor.cs
@@ -147,6 +147,7 @@ namespace UnityEngine.UI
             // 检查是否找不到对应 ID 的 key
             if (localizationID.intValue > 0 && !allTableNames.ContainsKey(localizationID.intValue))
             {
+                m_localizationKey.stringValue = string.Empty;
                 EditorGUILayout.HelpBox($"已选择的多语言 Key (ID={localizationID.intValue}) 已被删除，但仍然保留该 ID。", MessageType.Warning);
             }
 
diff --git a/Runtime/UXComponent/Text/UXTextMeshPro.cs b/Runtime/UXComponent/Text/UXTextMeshPro.cs
index 188c5f9..1403108 100644
--- a/Runtime/UXComponent/Text/UXTextMeshPro.cs
+++ b/Runtime/UXComponent/Text/UXTextMeshPro.cs
@@ -12,7 +12,10 @@ namespace UnityEngine.UI
         protected override void OnValidate()
         {
             base.OnValidate();
-            if (!Application.isPlaying) text = LocalizationRefreshHelper.GetPreviewLabel(m_localizationKey);
+            if (!Application.isPlaying && !string.IsNullOrEmpty(m_localizationKey))
+            {
+                text = LocalizationRefreshHelper.GetPreviewLabel(m_localizationKey);
+            }
         }
 #endif
         protected override void Start()