diff --git a/packages/service/core/workflow/dispatch/agent/classifyQuestion.ts b/packages/service/core/workflow/dispatch/agent/classifyQuestion.ts
index f350be359bc3..1558ee704ba7 100644
--- a/packages/service/core/workflow/dispatch/agent/classifyQuestion.ts
+++ b/packages/service/core/workflow/dispatch/agent/classifyQuestion.ts
@@ -18,6 +18,7 @@ import { chatValue2RuntimePrompt } from '@fastgpt/global/core/chat/adapt';
 import { getHandleId } from '@fastgpt/global/core/workflow/utils';
 import { loadRequestMessages } from '../../../chat/utils';
 import { llmCompletionsBodyFormat } from '../../../ai/utils';
+import { addLog } from '../../../../common/system/log';
 
 type Props = ModuleDispatchProps<{
   [NodeInputKeyEnum.aiModel]: string;
@@ -65,7 +66,7 @@ export const dispatchClassifyQuestion = async (props: Props): Promise<CQResponse
   return {
     [NodeOutputKeyEnum.cqResult]: result.value,
     [DispatchNodeResponseKeyEnum.skipHandleId]: agents
-      .filter((item) => item.key !== arg?.type)
+      .filter((item) => item.key !== result.key)
       .map((item) => getHandleId(nodeId, 'source', item.key)),
     [DispatchNodeResponseKeyEnum.nodeResponse]: {
       totalPoints: user.openaiAccount?.key ? 0 : totalPoints,
@@ -142,6 +143,10 @@ const completions = async ({
     agents.find((item) => answer.includes(item.value))?.key ||
     '';
 
+  if (!id) {
+    addLog.warn('Classify error', { answer });
+  }
+
   return {
     tokens: await countMessagesTokens(messages),
     arg: { type: id }
diff --git a/packages/web/hooks/useI18n.ts b/packages/web/hooks/useI18n.ts
index 0f252349f89a..1c41b1dddce5 100644
--- a/packages/web/hooks/useI18n.ts
+++ b/packages/web/hooks/useI18n.ts
@@ -1,15 +1,27 @@
-import Cookies, { CookieAttributes } from 'js-cookie';
+import Cookies from 'js-cookie';
 import { useTranslation } from 'next-i18next';
 import { LangEnum } from '../../../projects/app/src/web/common/utils/i18n';
 
-const setCookie = (key: string, value: string, options?: CookieAttributes) => {
-  Cookies.set(key, value, options);
+const LANG_KEY = 'NEXT_LOCALE';
+const isInIframe = () => {
+  try {
+    return window.self !== window.top;
+  } catch (e) {
+    return true;
+  }
 };
-const getCookie = (key: string) => {
-  return Cookies.get(key);
+const setLang = (value: string) => {
+  if (isInIframe()) {
+    localStorage.setItem(LANG_KEY, value);
+  } else {
+    // 不在 iframe 中，同时使用 Cookie 和 localStorage
+    Cookies.set(LANG_KEY, value, { expires: 30 });
+    localStorage.setItem(LANG_KEY, value);
+  }
+};
+const getLang = () => {
+  return localStorage.getItem(LANG_KEY) || Cookies.get(LANG_KEY);
 };
-
-const LANG_KEY = 'NEXT_LOCALE';
 
 export const useI18nLng = () => {
   const { i18n } = useTranslation();
@@ -26,23 +38,19 @@ export const useI18nLng = () => {
 
   const onChangeLng = async (lng: string) => {
     const lang = languageMap[lng] || 'en';
+    const prevLang = getLang();
 
-    setCookie(LANG_KEY, lang, {
-      expires: 30
-    });
-
-    const currentLng = i18n?.language;
-    if (!currentLng) return;
+    setLang(lang);
 
     await i18n?.changeLanguage?.(lang);
-    if (currentLng !== lang) {
+    if (prevLang && prevLang !== lang) {
       window?.location?.reload?.();
     }
   };
 
   const setUserDefaultLng = () => {
     if (!navigator || !localStorage) return;
-    if (getCookie(LANG_KEY)) return onChangeLng(getCookie(LANG_KEY) as string);
+    if (getLang()) return onChangeLng(getLang() as string);
 
     const lang = languageMap[navigator.language] || 'en';