diff --git a/frontend/packages/common/src/components/aoplatform/LanguageSetting.tsx b/frontend/packages/common/src/components/aoplatform/LanguageSetting.tsx
index c54bc0a4..90a20efa 100644
--- a/frontend/packages/common/src/components/aoplatform/LanguageSetting.tsx
+++ b/frontend/packages/common/src/components/aoplatform/LanguageSetting.tsx
@@ -1,8 +1,8 @@
-import { Dropdown, Button } from 'antd'
-import i18n from '@common/locales'
-import { memo, useEffect, useMemo } from 'react'
 import { useGlobalContext } from '@common/contexts/GlobalStateContext'
+import i18n from '@common/locales'
 import { Icon } from '@iconify/react/dist/iconify.js'
+import { Button, Dropdown } from 'antd'
+import { memo, useEffect, useMemo } from 'react'
 
 const LanguageSetting = ({ mode = 'light' }: { mode?: 'dark' | 'light' }) => {
   const { dispatch, state } = useGlobalContext()
@@ -48,12 +48,17 @@ const LanguageSetting = ({ mode = 'light' }: { mode?: 'dark' | 'light' }) => {
   const langLabel = useMemo(() => items.find((item) => item?.key === state.language)?.title, [state.language])
 
   useEffect(() => {
-    const savedLang = sessionStorage.getItem('i18nextLng')
-    const browserLang = navigator.language || navigator.userLanguage
-    if (savedLang) return
-
-    dispatch({ type: 'UPDATE_LANGUAGE', language: browserLang })
+    const savedLang = i18n.language || sessionStorage.getItem('i18nextLng')
+    if (savedLang && state.language !== savedLang) {
+      dispatch({ type: 'UPDATE_LANGUAGE', language: savedLang })
+    } else if (!savedLang) {
+      const browserLang = navigator.language
+      const supportedLang = items.find((item) => item.key === browserLang) ? browserLang : 'zh-CN'
+      dispatch({ type: 'UPDATE_LANGUAGE', language: supportedLang })
+      i18n.changeLanguage(supportedLang)
+    }
   }, [])
+
   return (
     <Dropdown
       trigger={['hover']}
@@ -64,6 +69,7 @@ const LanguageSetting = ({ mode = 'light' }: { mode?: 'dark' | 'light' }) => {
           const { key } = e
           dispatch({ type: 'UPDATE_LANGUAGE', language: key })
           i18n.changeLanguage(key)
+          sessionStorage.setItem('i18nextLng', key)
         }
       }}
     >
diff --git a/frontend/packages/core/src/pages/aiApis/aiApisLayout.tsx b/frontend/packages/core/src/pages/aiApis/aiApisLayout.tsx
index 3a67332c..b956887a 100644
--- a/frontend/packages/core/src/pages/aiApis/aiApisLayout.tsx
+++ b/frontend/packages/core/src/pages/aiApis/aiApisLayout.tsx
@@ -1,14 +1,15 @@
-import { useEffect } from "react";
-import { Outlet, useLocation, useNavigate } from "react-router-dom";
+import { useEffect } from 'react'
+import { Outlet, useLocation, useNavigate } from 'react-router-dom'
 
-export default function GlobalPolicyLayout(){
-    const location = useLocation()
-    const pathName = location.pathname
-    const navigator = useNavigate()
-    useEffect(()=>{
-        if(pathName === '/aiApis'){
-            navigator('/aiApis/list')
-        }
-    },[pathName])
-    return (<Outlet></Outlet>)
-}
\ No newline at end of file
+export default function GlobalPolicyLayout() {
+  const location = useLocation()
+  const pathName = location.pathname
+  const navigator = useNavigate()
+  useEffect(() => {
+    if (pathName === '/aiApis') {
+      const queryParams = new URLSearchParams(location.search).toString()
+      navigator(`/aiApis/list${queryParams ? `?${queryParams}` : ''}`)
+    }
+  }, [pathName])
+  return <Outlet></Outlet>
+}
diff --git a/frontend/packages/core/src/pages/aiSetting/AIFlowChart.tsx b/frontend/packages/core/src/pages/aiSetting/AIFlowChart.tsx
index b61d82da..dfd90d5c 100644
--- a/frontend/packages/core/src/pages/aiSetting/AIFlowChart.tsx
+++ b/frontend/packages/core/src/pages/aiSetting/AIFlowChart.tsx
@@ -94,6 +94,9 @@ const AIFlowChart = () => {
     if (!modelData.length) return
 
     const positions = calculateNodePositions(modelData)
+    const firstSuccessModel = modelData.find((model) => model.status === 'enabled')
+    console.log(firstSuccessModel)
+
     // subtract 5 to make sure the service node is aligned with the top model node
     const serviceY = positions[modelData[0].id].y - 5
     const newNodes = [
@@ -116,7 +119,8 @@ const AIFlowChart = () => {
           status: model.status,
           defaultLlm: model.defaultLlm,
           logo: model.logo,
-          id: model.id
+          id: model.id,
+          alternativeModel: firstSuccessModel
         }
       })),
       ...modelData.map((model) => ({
@@ -140,8 +144,12 @@ const AIFlowChart = () => {
         source: 'apiService',
         target: model.id,
         label: `${model.api_count} apis`,
-        data: { id: model.id },
-        animated: true
+        data: {
+          id: model.id,
+          status: model.status
+        },
+        animated: true,
+        style: { stroke: model.status === 'enabled' ? '#52c41a' : '#ff4d4f' }
       })),
       ...modelData.map((model) => ({
         id: `${model.id}-keys-edge`,
diff --git a/frontend/packages/core/src/pages/aiSetting/components/CustomEdge.tsx b/frontend/packages/core/src/pages/aiSetting/components/CustomEdge.tsx
index 7e350a2c..35d585f5 100644
--- a/frontend/packages/core/src/pages/aiSetting/components/CustomEdge.tsx
+++ b/frontend/packages/core/src/pages/aiSetting/components/CustomEdge.tsx
@@ -1,4 +1,4 @@
-import { BaseEdge, EdgeLabelRenderer, EdgeProps, getSmoothStepPath } from '@xyflow/react'
+import { BaseEdge, EdgeLabelRenderer, EdgeProps, getSmoothStepPath, useStore } from '@xyflow/react'
 
 export default function CustomEdge({
   id,
@@ -11,14 +11,26 @@ export default function CustomEdge({
   style = {},
   markerEnd,
   label,
-  data
+  data,
+  source,
+  target
 }: EdgeProps) {
-  const [edgePath, labelX, labelY] = getSmoothStepPath({
+  // Get all edges to check for duplicates
+  const edges = useStore((state) => state.edges)
+
+  // Find duplicate edges between the same source and target
+  const duplicateEdges = edges.filter((edge) => edge.source === source && edge.target === target)
+  const edgeIndex = duplicateEdges.findIndex((edge) => edge.id === id)
+
+  // Adjust the path if this is a duplicate edge
+  const offset = edgeIndex * 20 // 20px offset for each duplicate edge
+
+  const [edgePath] = getSmoothStepPath({
     sourceX,
-    sourceY,
+    sourceY: sourceY,
     sourcePosition,
     targetX,
-    targetY,
+    targetY: targetY + offset,
     targetPosition,
     borderRadius: 16
   })
@@ -27,7 +39,14 @@ export default function CustomEdge({
 
   return (
     <>
-      <BaseEdge path={edgePath} markerEnd={markerEnd} style={{ stroke: '#ddd', cursor: 'pointer', strokeWidth: 1 }} />
+      <BaseEdge
+        path={edgePath}
+        markerEnd={markerEnd}
+        style={{
+          ...style,
+          cursor: 'pointer'
+        }}
+      />
       {label && (
         <EdgeLabelRenderer>
           <a
@@ -35,16 +54,14 @@ export default function CustomEdge({
             target="_blank"
             style={{
               position: 'absolute',
-              transform: `translate(${targetX - 80}px,${targetY - 20}px)`,
+              transform: `translate(${targetX - 80}px,${targetY - 20 + offset}px)`,
               borderRadius: '4px',
               fontSize: 12,
               fontWeight: 500,
-              color: 'var(--primary-color)',
               cursor: 'pointer',
               pointerEvents: 'all',
               textDecoration: 'none'
             }}
-            className="nodrag nopan"
           >
             {label}
           </a>
diff --git a/frontend/packages/core/src/pages/aiSetting/components/ModelCardNode.tsx b/frontend/packages/core/src/pages/aiSetting/components/ModelCardNode.tsx
index 115177e1..c08bac0b 100644
--- a/frontend/packages/core/src/pages/aiSetting/components/ModelCardNode.tsx
+++ b/frontend/packages/core/src/pages/aiSetting/components/ModelCardNode.tsx
@@ -8,10 +8,11 @@ import { AiSettingListItem, ModelDetailData, ModelStatus } from '../types'
 type ModelCardNodeData = ModelDetailData & {
   id: string
   position: { x: number; y: number }
+  alternativeModel?: ModelDetailData
 }
 
 export const ModelCardNode: React.FC<{ data: ModelCardNodeData }> = ({ data }) => {
-  const { name, status, defaultLlm, logo } = data
+  const { name, status, defaultLlm, logo, alternativeModel } = data
   const { openConfigModal } = useAiSetting()
 
   const getStatusIcon = (status: ModelStatus) => {
@@ -62,6 +63,11 @@ export const ModelCardNode: React.FC<{ data: ModelCardNodeData }> = ({ data }) =
           {$t('默认：')}
           {defaultLlm}
         </div>
+        {status !== 'enabled' && alternativeModel && (
+          <div className="mt-1 text-sm text-gray-500">
+            {$t('关联 API 已转用')} {alternativeModel.name}/{alternativeModel.defaultLlm}
+          </div>
+        )}
       </div>
     </div>
   )