diff --git a/src/pages/ideContainer/index.tsx b/src/pages/ideContainer/index.tsx
index 8369954..1297edd 100644
--- a/src/pages/ideContainer/index.tsx
+++ b/src/pages/ideContainer/index.tsx
@@ -256,11 +256,26 @@ function IDEContainer() {
     }
   }, [urlParams.identity]);
 
+  // 页面加载后默认选择第一个菜单项
+  useEffect(() => {
+    if (urlParams.identity && menuData[urlParams.identity]?.length > 0 && !selected.key) {
+      const firstMenuItem = menuData[urlParams.identity][0];
+      if (firstMenuItem) {
+        setSelected({
+          ...firstMenuItem,
+          key: firstMenuItem.key,
+          parentKey: firstMenuItem.parentKey || firstMenuItem.key
+        });
+        dispatch(updateCurrentAppData({ ...firstMenuItem }));
+      }
+    }
+  }, [urlParams.identity, menuData]);
+
   // 当selected.path变化时，添加到已打开的tab集合中
   useEffect(() => {
     if (selected.key) {
       setOpenedTabs(prev => new Set(prev).add(selected.key!));
-      handleTabChange(selected.key)
+      handleTabChange(selected.key);
     }
   }, [selected.key]);