diff --git a/src/pages/AgentEditor/hooks/useAgentEditor.ts b/src/pages/AgentEditor/hooks/useAgentEditor.ts
index 3b82dd1..a3f5ebf 100644
--- a/src/pages/AgentEditor/hooks/useAgentEditor.ts
+++ b/src/pages/AgentEditor/hooks/useAgentEditor.ts
@@ -236,6 +236,10 @@ export function useAgentEditor({ id, isNew, form, message, navigate }: UseAgentE
 
   const handleDeletePlugin = async (pluginId: string) => {
     if (!id) return;
+    if (pluginId.startsWith('temp_')) {
+      setAgent((prev) => prev ? { ...prev, plugins: (prev.plugins || []).filter((plugin) => plugin.id !== pluginId) } : prev);
+      return;
+    }
     try {
       await AgentAPI.deletePlugin(id, pluginId);
       setAgent((prev) => prev ? { ...prev, plugins: (prev.plugins || []).filter((plugin) => plugin.id !== pluginId) } : prev);
@@ -273,6 +277,16 @@ export function useAgentEditor({ id, isNew, form, message, navigate }: UseAgentE
     return newPlugin;
   };
 
+  const cleanupTempPlugins = () => {
+    setAgent((prev) => {
+      if (!prev) return prev;
+      return {
+        ...prev,
+        plugins: (prev.plugins || []).filter((p) => !p.id.startsWith('temp_')),
+      };
+    });
+  };
+
   const beforeUploadKnowledge = async (file: any) => {
     if (!id) {
       message.warning('请先保存智能体基础信息后再上传');
@@ -381,6 +395,7 @@ export function useAgentEditor({ id, isNew, form, message, navigate }: UseAgentE
     handleDeleteSkill,
     handleDeletePlugin,
     handleCopyPlugin,
+    cleanupTempPlugins,
     liveAgent,
     currentName,
     markDirty,
diff --git a/src/pages/AgentEditor/index.tsx b/src/pages/AgentEditor/index.tsx
index a2a5475..0c90c63 100644
--- a/src/pages/AgentEditor/index.tsx
+++ b/src/pages/AgentEditor/index.tsx
@@ -58,6 +58,7 @@ export default function AgentEditor() {
     handleDeleteSkill,
     handleDeletePlugin,
     handleCopyPlugin,
+    cleanupTempPlugins,
     liveAgent,
     currentName,
     markDirty,
@@ -166,11 +167,12 @@ export default function AgentEditor() {
               open={externalToolEditorOpen}
               agentId={id!}
               plugin={agent?.plugins?.find((plugin) => plugin.id === editingPluginId)}
-              onClose={() => {
-                setExternalToolEditorOpen(false);
-                setEditingPluginId(null);
-              }}
-              onSaved={refresh}
+            onClose={() => {
+              setExternalToolEditorOpen(false);
+              setEditingPluginId(null);
+              cleanupTempPlugins();
+            }}
+            onSaved={refresh}
             />
           </>
         )}