diff --git a/src/api/agents.ts b/src/api/agents.ts
index 663c980..fe6e1aa 100644
--- a/src/api/agents.ts
+++ b/src/api/agents.ts
@@ -73,13 +73,24 @@ export interface ExternalToolPlugin extends ExternalToolPluginPayload {
   isTemp?: boolean;
 }
 
+export interface AgentModelConfig {
+  model: {
+    id: string;
+    name: string;
+  };
+  role: string;
+  priority: number;
+  enabled: boolean;
+}
+
 export interface Agent {
   id: string;
   name: string;
   description: string;
   avatar: string;
   prompt: string;
-  model: string;
+  model?: string;
+  models?: AgentModelConfig[];
   temperature: number;
   owner_id?: string | null;
   team_id?: string | null;
diff --git a/src/components/ChatPreview.tsx b/src/components/ChatPreview.tsx
index bace61c..702609a 100644
--- a/src/components/ChatPreview.tsx
+++ b/src/components/ChatPreview.tsx
@@ -9,6 +9,7 @@ import {
   ToolCallTrace
 } from '../api';
 import Markdown from './Markdown';
+import { parseAgentModels } from '../pages/chat/utils/agentModels';
 
 interface Props {
   agent: Agent;
@@ -74,8 +75,9 @@ export default function ChatPreview({ agent, agentId }: Props) {
         sid = created.id;
         setSessionId(sid);
       }
-      const model = String(agent?.model || '').split(',')[0]?.trim() || undefined;
-      const modelId = model ? undefined : undefined;
+      const agentModels = parseAgentModels(agent?.models ?? agent?.model);
+      const model = agentModels[0]?.name || undefined;
+      const modelId = agentModels[0]?.id || undefined;
       const targetAgentId = agentId;
       await streamChat(
         sid,
diff --git a/src/pages/AgentEditor/constants.ts b/src/pages/AgentEditor/constants.ts
index d82b0ba..938f7fe 100644
--- a/src/pages/AgentEditor/constants.ts
+++ b/src/pages/AgentEditor/constants.ts
@@ -51,20 +51,33 @@ export const TYPE_TAG: Record<SkillType, { color: string; icon: string; label: s
 
 export const isImageUrl = (url: string | undefined) => url?.startsWith('http') || url?.startsWith('/');
 
-export const parseModelSelections = (value?: string | string[]) => {
+// parseModelSelectionItem 将多种模型结构统一提取为模型 ID。
+const parseModelSelectionItem = (item: any) => {
+  if (!item) {
+    return '';
+  }
+  if (typeof item === 'string') {
+    return item;
+  }
+  if (typeof item === 'object' && item.model?.id) {
+    return String(item.model.id);
+  }
+  if (typeof item === 'object' && item.id) {
+    return String(item.id);
+  }
+  return String(item);
+};
+
+// parseModelSelections 负责把接口返回的模型配置统一转换为模型 ID 列表。
+export const parseModelSelections = (value?: unknown) => {
   if (Array.isArray(value)) {
-    return value;
+    return value.map(parseModelSelectionItem).filter(Boolean);
   }
   // 尝试解析 JSON 格式
   try {
     const parsed = JSON.parse(String(value || '[]'));
     if (Array.isArray(parsed)) {
-      return parsed.map((item: any) => {
-        if (typeof item === 'object' && item.id) {
-          return item.id;
-        }
-        return String(item);
-      }).filter(Boolean);
+      return parsed.map(parseModelSelectionItem).filter(Boolean);
     }
   } catch {
     // 兼容旧格式：逗号分隔的字符串
diff --git a/src/pages/AgentEditor/hooks/useAgentEditor.ts b/src/pages/AgentEditor/hooks/useAgentEditor.ts
index 3d0c4a1..0f4743f 100644
--- a/src/pages/AgentEditor/hooks/useAgentEditor.ts
+++ b/src/pages/AgentEditor/hooks/useAgentEditor.ts
@@ -1,7 +1,7 @@
 import { useEffect, useRef, useState } from 'react';
 import { FormInstance } from 'antd';
-import { Agent, AgentAPI, Team, TeamAPI, AiModel, ModelAPI, ImageAPI } from '../../../api';
-import { DEFAULT_AVATAR } from '../constants';
+import { Agent, AgentAPI, AgentModelConfig, Team, TeamAPI, AiModel, ModelAPI, ImageAPI } from '../../../api';
+import { DEFAULT_AVATAR, parseModelSelections } from '../constants';
 
 interface UseAgentEditorOptions {
   id?: string;
@@ -11,6 +11,31 @@ interface UseAgentEditorOptions {
   navigate: any;
 }
 
+// buildAgentModelsPayload 将表单里的单选模型值转换为后端需要的 models 数组结构。
+const buildAgentModelsPayload = (modelId: string | undefined, models: AiModel[]): AgentModelConfig[] => {
+  if (!modelId) {
+    return [];
+  }
+  const selectedModel = models.find((item) => item.id === modelId);
+  return [
+    {
+      model: {
+        id: modelId,
+        name: selectedModel?.model_name || '',
+      },
+      role: 'primary',
+      priority: 1,
+      enabled: true,
+    },
+  ];
+};
+
+// normalizeAgentFormValues 将接口返回的 models 字段映射为表单使用的 model 单值。
+const normalizeAgentFormValues = (data: Agent) => ({
+  ...data,
+  model: parseModelSelections(data.models)[0] || '',
+});
+
 export function useAgentEditor({ id, isNew, form, message, navigate }: UseAgentEditorOptions) {
   const [agent, setAgent] = useState<Agent | null>(null);
   const [saving, setSaving] = useState(false);
@@ -85,7 +110,7 @@ export function useAgentEditor({ id, isNew, form, message, navigate }: UseAgentE
     setAgent(data);
     if (force || autoSaveStatus !== 'dirty') {
       hydratingRef.current = true;
-      form.setFieldsValue(data);
+      form.setFieldsValue(normalizeAgentFormValues(data));
       window.setTimeout(() => {
         hydratingRef.current = false;
       }, 0);
@@ -163,14 +188,15 @@ export function useAgentEditor({ id, isNew, form, message, navigate }: UseAgentE
       Object.keys(values).forEach((key) => {
         const formValue = (values as any)[key];
         const originalValue = (agent as any)?.[key];
-        // 特殊处理 model 字段：将 id 和 name 组合成 JSON 数组字符串
-        if (key === 'model' && Array.isArray(formValue)) {
-          const modelObjects = formValue.map((modelId: string) => {
-            const model = models.find((m) => m.id === modelId);
-            return { id: modelId, name: model?.model_name || '' };
-          });
-          changedFields[key] = JSON.stringify(modelObjects);
-        } else if (formValue !== originalValue) {
+        // model 字段在表单内是单值，提交给后端时需要转换为新的 models 数组结构。
+        if (key === 'model') {
+          const nextModels = buildAgentModelsPayload(formValue, models);
+          if (JSON.stringify(nextModels) !== JSON.stringify(agent?.models || [])) {
+            changedFields.models = nextModels;
+          }
+          return;
+        }
+        if (formValue !== originalValue) {
           changedFields[key] = formValue;
         }
       });
@@ -181,7 +207,7 @@ export function useAgentEditor({ id, isNew, form, message, navigate }: UseAgentE
       }
       const updatedAgent = await AgentAPI.update(id!, changedFields);
       setAgent(updatedAgent);
-      form.setFieldsValue(updatedAgent);
+      form.setFieldsValue(normalizeAgentFormValues(updatedAgent));
       if (!silent) message.success('已保存');
       setAutoSaveStatus('saved');
     } catch (e) {
diff --git a/src/pages/LoginPage/components/LoginFormCard.tsx b/src/pages/LoginPage/components/LoginFormCard.tsx
index 7de45d5..2c7fbd9 100644
--- a/src/pages/LoginPage/components/LoginFormCard.tsx
+++ b/src/pages/LoginPage/components/LoginFormCard.tsx
@@ -42,7 +42,6 @@ export default function LoginFormCard({ logic }: { logic: LoginPageLogic }) {
                   label="手机号" 
                   rules={[
                     { required: true, message: '请填写手机号' },
-                    { pattern: /^1[3-9]\d{9}$/, message: '请输入正确的手机号格式' }
                   ]}
                 >
                   <Input placeholder="13800138000" size="large" autoFocus />
diff --git a/src/pages/chat/components/ChatHeader.tsx b/src/pages/chat/components/ChatHeader.tsx
index 0d314e9..6479c5b 100644
--- a/src/pages/chat/components/ChatHeader.tsx
+++ b/src/pages/chat/components/ChatHeader.tsx
@@ -2,37 +2,26 @@ import { useState, useEffect } from 'react';
 import { ApiOutlined, DeleteOutlined, EditOutlined, SettingOutlined, EllipsisOutlined, HistoryOutlined, LogoutOutlined } from '@ant-design/icons';
 import { Button, Dropdown, Modal, Switch } from 'antd';
 import { Agent, ModelAPI, AiModel } from '../../../api';
+import { parseAgentModels } from '../utils/agentModels';
 import './ChatHeader.css';
 
-function formatAgentModel(raw: string | null | undefined, models: AiModel[]) {
+function formatAgentModel(raw: unknown, models: AiModel[]) {
   const findModelName = (id: string) => {
     const model = models.find(m => m.id === id);
     return model ? model.model_name : id;
   };
 
-  const s = String(raw ?? '').trim();
-  if (!s) return '默认模型';
-  if (s.startsWith('[') || s.startsWith('{')) {
-    try {
-      const parsed = JSON.parse(s);
-      if (Array.isArray(parsed)) {
-        const names = parsed
-          .map((x: any) => {
-            if (typeof x === 'string') return findModelName(x);
-            return String(x?.name || x?.model || findModelName(x?.id) || '').trim();
-          })
-          .filter(Boolean);
-        if (names.length > 2) {
-          return names.slice(0, 2).join(', ') + '...';
-        }
-        if (names.length) return names.join(', ');
-      } else if (parsed && typeof parsed === 'object') {
-        const name = String((parsed as any).name || (parsed as any).model || findModelName((parsed as any).id) || '').trim();
-        if (name) return name;
-      }
-    } catch {}
+  const parsedModels = parseAgentModels(raw)
+    .map((item) => findModelName(item.id) || item.name)
+    .filter(Boolean);
+  if (parsedModels.length > 2) {
+    return parsedModels.slice(0, 2).join(', ') + '...';
   }
-  return findModelName(s);
+  if (parsedModels.length > 0) {
+    return parsedModels.join(', ');
+  }
+  const s = String(raw ?? '').trim();
+  return s ? findModelName(s) : '默认模型';
 }
 
 const isImageUrl = (url: string) => url?.startsWith('http') || url?.startsWith('/');
@@ -55,7 +44,7 @@ export default function ChatHeader(props: {
     ModelAPI.list().then(setModels).catch(console.error);
   }, []);
 
-  const modelText = formatAgentModel(agent.model, models);
+  const modelText = formatAgentModel(agent.models ?? agent.model, models);
 
   return (
     <div className="chat-header">
diff --git a/src/pages/chat/hooks/useChatData.ts b/src/pages/chat/hooks/useChatData.ts
index 399976c..b218193 100644
--- a/src/pages/chat/hooks/useChatData.ts
+++ b/src/pages/chat/hooks/useChatData.ts
@@ -36,7 +36,7 @@ export function useChatData(args: {
     }
     const a = await AgentAPI.detail(agentId);
     setAgent(a);
-    const models = parseAgentModels(a.model);
+    const models = parseAgentModels(a.models ?? a.model);
     const firstModel = models[0];
     if (firstModel) {
       setOverrides((o) => ({
diff --git a/src/pages/chat/hooks/useChatSender.ts b/src/pages/chat/hooks/useChatSender.ts
index a1c0d4d..47e88f0 100644
--- a/src/pages/chat/hooks/useChatSender.ts
+++ b/src/pages/chat/hooks/useChatSender.ts
@@ -114,7 +114,7 @@ export function useChatSender(args: {
   });
   const [sessionRefresh, setSessionRefresh] = useState(0);
 
-  const agentModels = useMemo(() => parseAgentModels(agent?.model), [agent?.model]);
+  const agentModels = useMemo(() => parseAgentModels(agent?.models ?? agent?.model), [agent?.model, agent?.models]);
   const modelOptions = useMemo(() => agentModels.map((model) => ({ value: model.id, label: model.name })), [agentModels]);
   const activeModelValue = overrides.model_id || '';
 
@@ -141,7 +141,7 @@ export function useChatSender(args: {
     let targetModel: string;
     let targetModelId: string;
     if (targetAgent && targetAgent.id !== agentId) {
-      const models = parseAgentModels(targetAgent.model);
+      const models = parseAgentModels(targetAgent.models ?? targetAgent.model);
       targetModel = models[0]?.name || '';
       targetModelId = models[0]?.id || '';
     } else {
@@ -166,7 +166,10 @@ export function useChatSender(args: {
           onRetry: (data) => {
             setStreaming((s) => ({ ...s, retryInfo: data }));
             if (data?.stage === 'fallback_model' && data?.toModel) {
-              setOverrides((o) => ({ ...o, model: String(data.toModel) }));
+              const nextModel = parseAgentModels(data.toModel)[0];
+              if (nextModel) {
+                setOverrides((o) => ({ ...o, model: nextModel.name, model_id: nextModel.id }));
+              }
             }
           },
           onReasoningDelta: (chunk) =>
@@ -272,7 +275,7 @@ export function useChatSender(args: {
     let targetModel: string;
     let targetModelId: string;
     if (targetAgent && targetAgent.id !== agentId) {
-      const models = parseAgentModels(targetAgent.model);
+      const models = parseAgentModels(targetAgent.models ?? targetAgent.model);
       targetModel = models[0]?.name || '';
       targetModelId = models[0]?.id || '';
     } else {
diff --git a/src/pages/chat/utils/agentModels.ts b/src/pages/chat/utils/agentModels.ts
index 483a9ea..168baf5 100644
--- a/src/pages/chat/utils/agentModels.ts
+++ b/src/pages/chat/utils/agentModels.ts
@@ -3,15 +3,46 @@ export interface AgentModelOption {
   name: string;
 }
 
-export const parseAgentModels = (value?: string): AgentModelOption[] => {
+// parseAgentModelItem 将后端多种模型结构统一转换为聊天侧使用的模型选项。
+const parseAgentModelItem = (item: any): AgentModelOption | null => {
+  if (!item) {
+    return null;
+  }
+  if (typeof item === 'string') {
+    return { id: item, name: item };
+  }
+  if (typeof item === 'object' && item.model?.id) {
+    return {
+      id: String(item.model.id),
+      name: String(item.model.name || item.model.id)
+    };
+  }
+  if (typeof item === 'object' && item.id) {
+    return {
+      id: String(item.id),
+      name: String(item.name || item.model || item.id)
+    };
+  }
+  return {
+    id: String(item),
+    name: String(item)
+  };
+};
+
+// parseAgentModels 负责兼容旧 model 字符串和新 models 数组结构。
+export const parseAgentModels = (value?: unknown): AgentModelOption[] => {
   if (!value) return [];
+  if (Array.isArray(value)) {
+    return value.map(parseAgentModelItem).filter(Boolean) as AgentModelOption[];
+  }
   try {
-    const parsed = JSON.parse(value);
+    const parsed = JSON.parse(String(value));
     if (Array.isArray(parsed)) {
-      return parsed.map((item: any) => ({
-        id: typeof item === 'object' ? item.id : String(item),
-        name: typeof item === 'object' ? item.name : String(item)
-      }));
+      return parsed.map(parseAgentModelItem).filter(Boolean) as AgentModelOption[];
+    }
+    if (parsed && typeof parsed === 'object') {
+      const single = parseAgentModelItem(parsed);
+      return single ? [single] : [];
     }
   } catch {
     // ignore
@@ -22,4 +53,3 @@ export const parseAgentModels = (value?: string): AgentModelOption[] => {
     .filter(Boolean)
     .map((item) => ({ id: item, name: item }));
 };
-