diff --git a/src/pages/Container/Layout/index.jsx b/src/pages/Container/Layout/index.jsx
index 49e82ce..7e0fe5e 100644
--- a/src/pages/Container/Layout/index.jsx
+++ b/src/pages/Container/Layout/index.jsx
@@ -26,12 +26,26 @@ const { Text } = Typography;
 const TABS_KEY = "sim_layout_tabs";
 const ACTIVE_KEY = "sim_layout_active";
 
+/* ---- 路径规范化：统一补全 /safetyEval 前缀，避免同一路由生成多个标签 ---- */
+const normalizePath = (path) => {
+  if (!path) return path;
+  return path.startsWith("/safetyEval") ? path : `/safetyEval${path}`;
+};
+
 /* ---- sessionStorage 持久化 ---- */
 function loadState() {
   try {
-    const tabs = JSON.parse(sessionStorage.getItem(TABS_KEY) || "[]");
-    const activeKey = sessionStorage.getItem(ACTIVE_KEY) || "";
-    return { tabs, activeKey };
+    const rawTabs = JSON.parse(sessionStorage.getItem(TABS_KEY) || "[]");
+    const tabs = rawTabs.map((t) => ({ ...t, key: normalizePath(t.key) }));
+    // 路由去重：相同路由只保留一个标签
+    const seen = new Set();
+    const deduped = tabs.filter((t) => {
+      if (seen.has(t.key)) return false;
+      seen.add(t.key);
+      return true;
+    });
+    const activeKey = normalizePath(sessionStorage.getItem(ACTIVE_KEY) || "");
+    return { tabs: deduped, activeKey };
   } catch {
     return { tabs: [], activeKey: "" };
   }
@@ -45,12 +59,12 @@ function saveState(tabs, activeKey) {
 export default function SimulatedLayout({ children, history }) {
   const [collapsed, setCollapsed] = useState(false);
   const [state, setState] = useState(loadState);
-  const [currentPath, setCurrentPath] = useState(window.location.pathname);
+  const [currentPath, setCurrentPath] = useState(() => normalizePath(window.location.pathname));
 
   // 监听路由变化，更新 currentPath
   useEffect(() => {
     const unlisten = history?.listen?.((location) => {
-      setCurrentPath(location.pathname || window.location.pathname);
+      setCurrentPath(normalizePath(location.pathname || window.location.pathname));
     });
     return () => unlisten?.();
   }, [history]);
@@ -80,10 +94,10 @@ export default function SimulatedLayout({ children, history }) {
   }, []);
 
   const navigateTo = useCallback((path) => {
-    if (path !== currentPath) {
-      history.replace(path.replace(/^\/safetyEval/, ""));
-      // history.listen 可能不存在，手动同步 currentPath
-      setCurrentPath(window.location.pathname);
+    const normalized = normalizePath(path);
+    if (normalized !== currentPath) {
+      history.replace(normalized.replace(/^\/safetyEval/, ""));
+      setCurrentPath(normalized);
     }
   }, [currentPath, history]);