diff --git a/packages/web/package.json b/packages/web/package.json
index d35a41e0..1e4c1b13 100644
--- a/packages/web/package.json
+++ b/packages/web/package.json
@@ -16,7 +16,6 @@
     "@tanstack/vue-table": "^8.21.3",
     "@vee-validate/zod": "^4.15.1",
     "@vueuse/core": "^14.1.0",
-    "axios": "^1.13.2",
     "dotenv": "^17.2.3",
     "katex": "^0.16.28",
     "markstream-vue": "0.0.7-beta.2",
diff --git a/packages/web/src/components/Sidebar/index.vue b/packages/web/src/components/Sidebar/index.vue
index 51300b11..c956fb41 100644
--- a/packages/web/src/components/Sidebar/index.vue
+++ b/packages/web/src/components/Sidebar/index.vue
@@ -1,21 +1,17 @@
 <template>
   <aside class="[&_[data-state=collapsed]_:is(.title-container,.exist-btn)]:hidden">
     <Sidebar collapsible="icon">
-      <SidebarHeader>
-        <SidebarMenu>
-          <SidebarMenuItem>
-            <div class="flex flex-row items-center w-full gap-2 px-3 py-2">
-              <img
-                src="/logo.png"
-                class="size-10"
-                alt="logo.png"
-              >
-              <span class="text-xl font-bold text-gray-500 dark:text-gray-400">
-                Memoh
-              </span>
-            </div>
-          </SidebarMenuItem>
-        </SidebarMenu>
+      <SidebarHeader class="group-data-[state=collapsed]:hidden">
+        <div class="flex items-center gap-2 px-3 py-2">
+          <img
+            src="/logo.png"
+            class="size-8"
+            alt="logo"
+          >
+          <span class="text-xl font-bold text-gray-500 dark:text-gray-400">
+            Memoh
+          </span>
+        </div>
       </SidebarHeader>
       <SidebarContent>
         <SidebarGroup>
@@ -62,23 +58,21 @@ import {
   SidebarMenu,
   SidebarMenuButton,
   SidebarMenuItem,
-  
-  Toggle
+  Toggle,
 } from '@memoh/ui'
 import { computed } from 'vue'
-import { useRouter,useRoute } from 'vue-router'
-import { useUserStore } from '@/store/user'
+import { useRouter, useRoute } from 'vue-router'
 import i18n from '@/i18n'
 import { ref } from 'vue'
 
 
 const router = useRouter()
-const route=useRoute()
+const route = useRoute()
 
 const { t } = i18n.global
 const curSlider = ref()
 const curSelectSlide = (cur: string) => computed(() => {
-  return curSlider.value === cur||new RegExp(`^/main/${cur}$`).test(route.path)
+  return curSlider.value === cur || new RegExp(`^/main/${cur}$`).test(route.path)
 })
 const sidebarInfo = computed(() => [
   {
diff --git a/packages/web/src/components/add-platform/index.vue b/packages/web/src/components/add-platform/index.vue
index f9b6d446..5aca8833 100644
--- a/packages/web/src/components/add-platform/index.vue
+++ b/packages/web/src/components/add-platform/index.vue
@@ -144,9 +144,8 @@ import z from 'zod'
 import { toTypedSchema } from '@vee-validate/zod'
 import { useForm } from 'vee-validate'
 import { ref, inject } from 'vue'
-import { useMutation } from '@pinia/colada'
-import request from '@/utils/request'
 import { useKeyValueTags } from '@/composables/useKeyValueTags'
+import { useCreatePlatform } from '@/composables/api/usePlatform'
 
 const configTags = useKeyValueTags()
 
@@ -158,13 +157,7 @@ const validationSchema = toTypedSchema(z.object({
 
 const form = useForm({ validationSchema })
 
-const { mutate: addFetchPlatform } = useMutation({
-  mutation: (data: Parameters<(Parameters<typeof form.handleSubmit>)[0]>[0]) => request({
-    url: '/platform/',
-    data,
-    method: 'post',
-  }),
-})
+const { mutate: addFetchPlatform } = useCreatePlatform()
 
 const addPlatform = form.handleSubmit(async (value) => {
   try {
diff --git a/packages/web/src/components/add-provider/index.vue b/packages/web/src/components/add-provider/index.vue
index 3588bdbc..c557ab37 100644
--- a/packages/web/src/components/add-provider/index.vue
+++ b/packages/web/src/components/add-provider/index.vue
@@ -153,44 +153,31 @@ import {
 import { toTypedSchema } from '@vee-validate/zod'
 import z from 'zod'
 import { useForm } from 'vee-validate'
-import { useMutation, useQueryCache } from '@pinia/colada'
-import request from '@/utils/request'
-import { type ProviderInfo } from '@memoh/shared'
 import { clientType } from '@memoh/shared'
-
+import { useCreateProvider } from '@/composables/api/useProviders'
 
 const open = defineModel<boolean>('open')
 
-const cacheQuery=useQueryCache()
-const {mutate:providerFetch,isLoading}=useMutation({
-  mutation: (data: ProviderInfo) => request({
-    url: '/providers',
-    data,
-    method:'post'
-  }),
-  onSettled: () => cacheQuery.invalidateQueries({
-    key:['provider']
-  })
-})
+const { mutate: providerFetch, isLoading } = useCreateProvider()
+
 const providerSchema = toTypedSchema(z.object({
   api_key: z.string().min(1),
   base_url: z.string().min(1),
   client_type: z.string().min(1),
   name: z.string().min(1),
   metadata: z.object({
-    additionalProp1:z.object()
-  })
+    additionalProp1: z.object({}),
+  }),
 }))
 
 const form = useForm({
   validationSchema: providerSchema,
 })
 
-const createProvider=form.handleSubmit(async (value) => {
+const createProvider = form.handleSubmit(async (value) => {
   try {
-  
     await providerFetch(value)
-    open.value=false
+    open.value = false
   } catch {
     return
   }
diff --git a/packages/web/src/components/create-mcp/index.vue b/packages/web/src/components/create-mcp/index.vue
index 841fd3d3..b4a6ee81 100644
--- a/packages/web/src/components/create-mcp/index.vue
+++ b/packages/web/src/components/create-mcp/index.vue
@@ -260,10 +260,9 @@ import z from 'zod'
 import { toTypedSchema } from '@vee-validate/zod'
 import { useForm } from 'vee-validate'
 import { ref, inject, watch } from 'vue'
-import { useMutation, useQueryCache } from '@pinia/colada'
-import request from '@/utils/request'
 import { type MCPListItem as MCPType } from '@memoh/shared'
 import { useKeyValueTags } from '@/composables/useKeyValueTags'
+import { useCreateOrUpdateMcp } from '@/composables/api/useMcp'
 
 // ---- Env key:value 转换 ----
 const envTags = useKeyValueTags()
@@ -286,15 +285,7 @@ const form = useForm({
 })
 
 // ---- API ----
-const queryCache = useQueryCache()
-const { mutate: fetchMCP } = useMutation({
-  mutation: (data: Parameters<(Parameters<typeof form.handleSubmit>)[0]>[0]) => request({
-    url: mcpEditData.value?.id ? `/mcp/${mcpEditData.value.id}` : '/mcp/',
-    method: mcpEditData.value?.id ? 'put' : 'post',
-    data,
-  }),
-  onSettled: () => queryCache.invalidateQueries({ key: ['mcp'] }),
-})
+const { mutate: fetchMCP } = useCreateOrUpdateMcp()
 
 // ---- Dialog & 编辑状态 ----
 const open = inject('open', ref(false))
@@ -308,7 +299,6 @@ const mcpEditData = inject('mcpEditData', ref<{
 watch(open, () => {
   if (open.value && mcpEditData.value) {
     form.setValues(mcpEditData.value)
-    // 从对象初始化 env 标签
     envTags.initFromObject(mcpEditData.value.config?.env as Record<string, string>)
   }
   if (!open.value) {
@@ -318,7 +308,7 @@ watch(open, () => {
 
 const createMCP = form.handleSubmit(async (value) => {
   try {
-    await fetchMCP(value)
+    await fetchMCP({ ...value, id: mcpEditData.value?.id })
     open.value = false
   } catch {
     return
diff --git a/packages/web/src/components/create-model/index.vue b/packages/web/src/components/create-model/index.vue
index 72353b9e..506ebfbe 100644
--- a/packages/web/src/components/create-model/index.vue
+++ b/packages/web/src/components/create-model/index.vue
@@ -160,51 +160,35 @@ import { useForm } from 'vee-validate'
 import { inject, watch, type Ref, ref } from 'vue'
 import { toTypedSchema } from '@vee-validate/zod'
 import z from 'zod'
-import request from '@/utils/request'
-import { useMutation, useQueryCache } from '@pinia/colada'
-import {type ModelInfo } from '@memoh/shared'
+import { type ModelInfo } from '@memoh/shared'
+import { useCreateModel } from '@/composables/api/useModels'
 
 const formSchema = toTypedSchema(z.object({
-  'is_multimodal': z.coerce.boolean(),
-  'model_id': z.string().min(1),
-  'name': z.string().min(1),
-  'type': z.string().min(1),
-  'dimensions':z.coerce.number().min(1)
+  is_multimodal: z.coerce.boolean(),
+  model_id: z.string().min(1),
+  name: z.string().min(1),
+  type: z.string().min(1),
+  dimensions: z.coerce.number().min(1),
 }))
 
 const form = useForm({
   validationSchema: formSchema,
   initialValues: {
-    dimensions:1
-  }
+    dimensions: 1,
+  },
 })
 
 const { id } = defineProps<{ id: string }>()
 
-const queryCache = useQueryCache()
-type ModelInfoType = Parameters<(Parameters<typeof form.handleSubmit>)[0]>[0]
-const { mutate: createModel,isLoading } = useMutation({
-  mutation: (modelInfo: ModelInfoType & {
-    dimensions: number,
-    llm_provider_id: string
-  }) => request({
-    url: '/models',
-    data: {
-      ...modelInfo,
-    },
-    method: 'post'
-  }),
-  onSettled: () => { open.value = false; queryCache.invalidateQueries({ key: ['model'], exact: true }) }
-})
+const { mutate: createModel, isLoading } = useCreateModel()
 
-
-const addModel = form.handleSubmit(async (modelInfo) => {  
+const addModel = form.handleSubmit(async (modelInfo) => {
   try {
     await createModel({
-      ...modelInfo,       
-      llm_provider_id: id
+      ...modelInfo,
+      llm_provider_id: id,
     })
-    open.value=false
+    open.value = false
   } catch {
     return
   }
diff --git a/packages/web/src/composables/api/useAuth.ts b/packages/web/src/composables/api/useAuth.ts
new file mode 100644
index 00000000..4ca309c3
--- /dev/null
+++ b/packages/web/src/composables/api/useAuth.ts
@@ -0,0 +1,20 @@
+import { fetchApi } from '@/utils/request'
+
+export interface LoginRequest {
+  username: string
+  password: string
+}
+
+export interface LoginResponse {
+  access_token: string
+  user_id: string
+  username: string
+}
+
+export async function login(data: LoginRequest): Promise<LoginResponse> {
+  return fetchApi<LoginResponse>('/auth/login', {
+    method: 'POST',
+    body: data,
+    noAuth: true,
+  })
+}
diff --git a/packages/web/src/composables/api/useChat.ts b/packages/web/src/composables/api/useChat.ts
new file mode 100644
index 00000000..7b9114d2
--- /dev/null
+++ b/packages/web/src/composables/api/useChat.ts
@@ -0,0 +1,103 @@
+import { fetchApi } from '@/utils/request'
+
+// ---- Types ----
+
+export interface Bot {
+  id: string
+  name?: string
+}
+
+export interface BotsResponse {
+  items: Bot[]
+}
+
+export interface CreateSessionResponse {
+  session_id: string
+}
+
+// ---- Plain async functions (used by chat store) ----
+
+export async function fetchBots(): Promise<Bot[]> {
+  const res = await fetchApi<BotsResponse>('/bots')
+  return res.items
+}
+
+export async function createSession(botId: string): Promise<string> {
+  const res = await fetchApi<CreateSessionResponse>(
+    `/bots/${botId}/web/sessions`,
+    { method: 'POST' },
+  )
+  return res.session_id
+}
+
+export async function sendChatMessage(
+  botId: string,
+  sessionId: string,
+  text: string,
+): Promise<void> {
+  await fetchApi(`/bots/${botId}/web/sessions/${sessionId}/messages`, {
+    method: 'POST',
+    body: { text },
+  })
+}
+
+/**
+ * 创建 SSE 流连接。返回 abort 函数。
+ * 调用方负责处理 reader 中的数据。
+ */
+export function createStreamConnection(
+  botId: string,
+  sessionId: string,
+  onMessage: (text: string) => void,
+): () => void {
+  const controller = new AbortController()
+  const token = localStorage.getItem('token') ?? ''
+
+  ;(async () => {
+    const resp = await fetch(`/api/bots/${botId}/web/sessions/${sessionId}/stream`, {
+      method: 'GET',
+      headers: { Authorization: `Bearer ${token}` },
+      signal: controller.signal,
+    }).catch(() => null)
+
+    if (!resp?.ok || !resp.body) return
+
+    const reader = resp.body.getReader()
+    const decoder = new TextDecoder()
+    let buffer = ''
+
+    while (true) {
+      const { value, done } = await reader.read()
+      if (done) break
+      buffer += decoder.decode(value, { stream: true })
+
+      let idx: number
+      while ((idx = buffer.indexOf('\n')) >= 0) {
+        const line = buffer.slice(0, idx).trim()
+        buffer = buffer.slice(idx + 1)
+        if (!line.startsWith('data:')) continue
+        const payload = line.slice(5).trim()
+        if (!payload || payload === '[DONE]') continue
+
+        const text = extractTextFromEvent(payload)
+        if (text) onMessage(text)
+      }
+    }
+  })()
+
+  return () => controller.abort()
+}
+
+function extractTextFromEvent(payload: string): string | null {
+  try {
+    const event = JSON.parse(payload)
+    if (typeof event === 'string') return event
+    if (typeof event?.text === 'string') return event.text
+    if (typeof event?.content === 'string') return event.content
+    if (typeof event?.data === 'string') return event.data
+    if (typeof event?.data?.text === 'string') return event.data.text
+    return null
+  } catch {
+    return payload
+  }
+}
diff --git a/packages/web/src/composables/api/useMcp.ts b/packages/web/src/composables/api/useMcp.ts
new file mode 100644
index 00000000..fe09a4ff
--- /dev/null
+++ b/packages/web/src/composables/api/useMcp.ts
@@ -0,0 +1,58 @@
+import { fetchApi } from '@/utils/request'
+import { useQuery, useMutation, useQueryCache } from '@pinia/colada'
+import { type MCPListItem } from '@memoh/shared'
+
+// ---- Types ----
+
+export interface McpListResponse {
+  items: MCPListItem[]
+}
+
+export interface CreateMcpRequest {
+  name: string
+  config: Record<string, unknown>
+  active: boolean
+}
+
+export interface UpdateMcpRequest extends CreateMcpRequest {
+  id?: string
+}
+
+// ---- Query: 获取 MCP 列表 ----
+
+export function useMcpList() {
+  const query = useQuery({
+    key: ['mcp'],
+    query: async () => {
+      const res = await fetchApi<McpListResponse>('/mcp/')
+      return res.items
+    },
+  })
+  return query
+}
+
+// ---- Mutations ----
+
+export function useCreateOrUpdateMcp() {
+  const queryCache = useQueryCache()
+  return useMutation({
+    mutation: (data: UpdateMcpRequest) => {
+      const isEdit = !!data.id
+      return fetchApi(isEdit ? `/mcp/${data.id}` : '/mcp/', {
+        method: isEdit ? 'PUT' : 'POST',
+        body: data,
+      })
+    },
+    onSettled: () => queryCache.invalidateQueries({ key: ['mcp'] }),
+  })
+}
+
+export function useDeleteMcp() {
+  const queryCache = useQueryCache()
+  return useMutation({
+    mutation: (id: string) => fetchApi(`/mcp/${id}`, {
+      method: 'DELETE',
+    }),
+    onSettled: () => queryCache.invalidateQueries({ key: ['mcp'] }),
+  })
+}
diff --git a/packages/web/src/composables/api/useModels.ts b/packages/web/src/composables/api/useModels.ts
new file mode 100644
index 00000000..18ebe616
--- /dev/null
+++ b/packages/web/src/composables/api/useModels.ts
@@ -0,0 +1,57 @@
+import { fetchApi } from '@/utils/request'
+import { useQuery, useMutation, useQueryCache } from '@pinia/colada'
+import { type ModelInfo } from '@memoh/shared'
+import type { Ref } from 'vue'
+
+// ---- Types ----
+
+export interface CreateModelRequest {
+  name: string
+  model_id: string
+  type: string
+  dimensions: number
+  is_multimodal: boolean
+  llm_provider_id: string
+}
+
+// ---- Query: 获取 Provider 下的模型列表 ----
+
+export function useModelList(providerId: Ref<string | undefined>) {
+  const queryCache = useQueryCache()
+
+  const query = useQuery({
+    key: ['model'],
+    query: () => fetchApi<ModelInfo[]>(
+      `/providers/${providerId.value}/models`,
+    ),
+  })
+
+  return {
+    ...query,
+    /** 当 providerId 变化时手动刷新 */
+    invalidate: () => queryCache.invalidateQueries({ key: ['model'] }),
+  }
+}
+
+// ---- Mutations ----
+
+export function useCreateModel() {
+  const queryCache = useQueryCache()
+  return useMutation({
+    mutation: (data: CreateModelRequest) => fetchApi('/models', {
+      method: 'POST',
+      body: data,
+    }),
+    onSettled: () => queryCache.invalidateQueries({ key: ['model'], exact: true }),
+  })
+}
+
+export function useDeleteModel() {
+  const queryCache = useQueryCache()
+  return useMutation({
+    mutation: (modelName: string) => fetchApi(`/models/model/${modelName}`, {
+      method: 'DELETE',
+    }),
+    onSettled: () => queryCache.invalidateQueries({ key: ['model'] }),
+  })
+}
diff --git a/packages/web/src/composables/api/usePlatform.ts b/packages/web/src/composables/api/usePlatform.ts
new file mode 100644
index 00000000..966de3c3
--- /dev/null
+++ b/packages/web/src/composables/api/usePlatform.ts
@@ -0,0 +1,38 @@
+import { fetchApi } from '@/utils/request'
+import { useQuery, useMutation, useQueryCache } from '@pinia/colada'
+
+// ---- Types ----
+
+export interface PlatformItem {
+  name: string
+  active: boolean
+  config: Record<string, string>
+}
+
+export interface CreatePlatformRequest {
+  name: string
+  config: Record<string, unknown>
+  active: boolean
+}
+
+// ---- Query: 获取平台列表 ----
+
+export function usePlatformList() {
+  return useQuery({
+    key: ['platform'],
+    query: () => fetchApi<PlatformItem[]>('/platform/'),
+  })
+}
+
+// ---- Mutations ----
+
+export function useCreatePlatform() {
+  const queryCache = useQueryCache()
+  return useMutation({
+    mutation: (data: CreatePlatformRequest) => fetchApi('/platform/', {
+      method: 'POST',
+      body: data,
+    }),
+    onSettled: () => queryCache.invalidateQueries({ key: ['platform'] }),
+  })
+}
diff --git a/packages/web/src/composables/api/useProviders.ts b/packages/web/src/composables/api/useProviders.ts
new file mode 100644
index 00000000..09f3fa2b
--- /dev/null
+++ b/packages/web/src/composables/api/useProviders.ts
@@ -0,0 +1,63 @@
+import { fetchApi } from '@/utils/request'
+import { useQuery, useMutation, useQueryCache } from '@pinia/colada'
+import { type ProviderInfo } from '@memoh/shared'
+import type { Ref } from 'vue'
+
+// ---- Types ----
+
+export type ProviderWithId = ProviderInfo & { id: string }
+
+export interface CreateProviderRequest {
+  name: string
+  api_key: string
+  base_url: string
+  client_type: string
+  metadata?: Record<string, unknown>
+}
+
+export type UpdateProviderRequest = Partial<CreateProviderRequest>
+
+// ---- Query: 获取 Provider 列表 ----
+
+export function useProviderList(clientType: Ref<string>) {
+  return useQuery({
+    key: ['provider'],
+    query: () => fetchApi<ProviderWithId[]>(
+      `/providers?client_type=${clientType.value}`,
+    ),
+  })
+}
+
+// ---- Mutations ----
+
+export function useCreateProvider() {
+  const queryCache = useQueryCache()
+  return useMutation({
+    mutation: (data: CreateProviderRequest) => fetchApi('/providers', {
+      method: 'POST',
+      body: data,
+    }),
+    onSettled: () => queryCache.invalidateQueries({ key: ['provider'] }),
+  })
+}
+
+export function useUpdateProvider(providerId: Ref<string | undefined>) {
+  const queryCache = useQueryCache()
+  return useMutation({
+    mutation: (data: UpdateProviderRequest) => fetchApi(`/providers/${providerId.value}`, {
+      method: 'PUT',
+      body: data,
+    }),
+    onSettled: () => queryCache.invalidateQueries({ key: ['provider'] }),
+  })
+}
+
+export function useDeleteProvider(providerId: Ref<string | undefined>) {
+  const queryCache = useQueryCache()
+  return useMutation({
+    mutation: () => fetchApi(`/providers/${providerId.value}`, {
+      method: 'DELETE',
+    }),
+    onSettled: () => queryCache.invalidateQueries({ key: ['provider'] }),
+  })
+}
diff --git a/packages/web/src/pages/login/index.vue b/packages/web/src/pages/login/index.vue
index 569f882f..ab7890f6 100644
--- a/packages/web/src/pages/login/index.vue
+++ b/packages/web/src/pages/login/index.vue
@@ -107,50 +107,43 @@ import { useRouter } from 'vue-router'
 import { toTypedSchema } from '@vee-validate/zod'
 import { useForm } from 'vee-validate'
 import * as z from 'zod'
-import request from '@/utils/request'
 import { useUserStore } from '@/store/user'
-import {  ref } from 'vue'
+import { ref } from 'vue'
 import { toast } from 'vue-sonner'
-const router = useRouter()
+import { login as loginApi } from '@/composables/api/useAuth'
 
+const router = useRouter()
 
 const formSchema = toTypedSchema(z.object({
   username: z.string().min(1),
   password: z.string().min(1),
 }))
 const form = useForm({
-  validationSchema: formSchema
+  validationSchema: formSchema,
 })
 
-const { login: LoginHandle } = useUserStore()
+const { login: loginHandle } = useUserStore()
 const loading = ref(false)
+
 const login = form.handleSubmit(async (values) => {
   try {
     loading.value = true
-    const loginState = await request({
-      url: '/auth/login',
-      method: 'post',
-      data: { ...values }
-    }, false)
-    const data = loginState?.data
+    const data = await loginApi(values)
     if (data?.access_token && data?.user_id) {
-      LoginHandle({
-        id: data?.user_id,
-        username: data?.username,
+      loginHandle({
+        id: data.user_id,
+        username: data.username,
         displayName: '',
-        role: ''
+        role: '',
       }, data.access_token)
     } else {
-      throw new Error('用户名和密码错误')
+      throw new Error('登录失败')
     }
-    router.replace({
-      name: 'Main'
-    })
-  } catch (error) {
+    router.replace({ name: 'Main' })
+  } catch {
     toast.error('用户名或密码错误', {
       description: '请重新输入用户名和密码',
     })
-    return error
   } finally {
     loading.value = false
   }
diff --git a/packages/web/src/pages/mcp/index.vue b/packages/web/src/pages/mcp/index.vue
index ff784e1b..15dfccd8 100644
--- a/packages/web/src/pages/mcp/index.vue
+++ b/packages/web/src/pages/mcp/index.vue
@@ -9,9 +9,7 @@
 </template>
 
 <script setup lang="ts">
-import { useQuery,useMutation,useQueryCache } from '@pinia/colada'
-import request from '@/utils/request'
-import { h, provide,ref, computed } from 'vue'
+import { h, provide, ref, computed } from 'vue'
 import DataTable from '@/components/data-table/index.vue'
 import CreateMCP from '@/components/create-mcp/index.vue'
 import { type ColumnDef } from '@tanstack/vue-table'
@@ -21,30 +19,19 @@ import {
 } from '@memoh/ui'
 import { type MCPListItem as MCPType } from '@memoh/shared'
 import { i18nRef } from '@/i18n'
-
+import { useMcpList, useDeleteMcp } from '@/composables/api/useMcp'
 
 const open = ref(false)
 const editMCPData = ref<{
-  name: string,
-  config: MCPType['config'],
+  name: string
+  config: MCPType['config']
   active: boolean
-  id:string
-}|null>(null)
+  id: string
+} | null>(null)
 provide('open', open)
-provide('mcpEditData',editMCPData)
+provide('mcpEditData', editMCPData)
 
-const queryCache=useQueryCache()
-const { mutate:DeleteMCP}= useMutation({
-  mutation: (id:string) => request({
-    url: `/mcp/${id}`,
-    method:'DELETE'
-  }),
-  onSettled() {
-    queryCache.invalidateQueries({
-      key:['mcp']
-    })
-  }
-})
+const { mutate: DeleteMCP } = useDeleteMcp()
 const columns:ColumnDef<MCPType>[] = [
   {
     accessorKey: 'name',
@@ -110,15 +97,8 @@ const columns:ColumnDef<MCPType>[] = [
   }
 ]
 
-const { data: mcpData } = useQuery({
-  key: ['mcp'],
-  query: () => request({
-    url: '/mcp/'
-  })
-})
+const { data: mcpData } = useMcpList()
 
-const mcpFormatData = computed(() => {
-  return mcpData.value?.data?.items??[]
-})
+const mcpFormatData = computed(() => mcpData.value ?? [])
 
 </script>
\ No newline at end of file
diff --git a/packages/web/src/pages/models/components/model-item.vue b/packages/web/src/pages/models/components/model-item.vue
index 6aebe870..636adfcb 100644
--- a/packages/web/src/pages/models/components/model-item.vue
+++ b/packages/web/src/pages/models/components/model-item.vue
@@ -9,34 +9,6 @@
       </ItemDescription>
     </ItemContent>
     <ItemActions>
-      <Select
-        :default-value="model.enable_as"
-        @update:model-value="(value) => $emit('enable', {
-          as: value === 'empty' ? '' : (value as string),
-          model_id: model.model_id,
-        })"
-      >
-        <SelectTrigger class="w-full">
-          <SelectValue />
-        </SelectTrigger>
-        <SelectContent>
-          <SelectGroup>
-            <SelectItem value="empty">
-              No Enable
-            </SelectItem>
-            <SelectItem value="chat">
-              Chat
-            </SelectItem>
-            <SelectItem value="embedding">
-              Embedding
-            </SelectItem>
-            <SelectItem value="memery">
-              Memery
-            </SelectItem>
-          </SelectGroup>
-        </SelectContent>
-      </Select>
-
       <Button
         variant="outline"
         class="cursor-pointer"
@@ -69,23 +41,16 @@ import {
   ItemTitle,
   Badge,
   Button,
-  Select,
-  SelectTrigger,
-  SelectValue,
-  SelectContent,
-  SelectGroup,
-  SelectItem,
 } from '@memoh/ui'
 import ConfirmPopover from '@/components/confirm-popover/index.vue'
 import { type ModelInfo } from '@memoh/shared'
 
 defineProps<{
-  model: ModelInfo & { enable_as: string }
+  model: ModelInfo
   deleteLoading: boolean
 }>()
 
 defineEmits<{
-  enable: [payload: { as: string; model_id: string }]
   edit: [model: ModelInfo]
   delete: [name: string]
 }>()
diff --git a/packages/web/src/pages/models/components/model-list.vue b/packages/web/src/pages/models/components/model-list.vue
index 77cdfb90..3df256f8 100644
--- a/packages/web/src/pages/models/components/model-list.vue
+++ b/packages/web/src/pages/models/components/model-list.vue
@@ -11,7 +11,7 @@
     </section>
 
     <section
-      v-if="models?.length > 0"
+      v-if="models && models.length > 0"
       class="flex flex-col gap-4"
     >
       <ModelItem
@@ -19,7 +19,6 @@
         :key="model.model_id"
         :model="model"
         :delete-loading="deleteModelLoading"
-        @enable="(payload) => $emit('enable', payload)"
         @edit="(model) => $emit('edit', model)"
         @delete="(name) => $emit('delete', name)"
       />
@@ -56,12 +55,11 @@ import { type ModelInfo } from '@memoh/shared'
 
 defineProps<{
   providerId: string | undefined
-  models: (ModelInfo & { enable_as: string })[] | undefined
+  models: ModelInfo[] | undefined
   deleteModelLoading: boolean
 }>()
 
 defineEmits<{
-  enable: [payload: { as: string; model_id: string }]
   edit: [model: ModelInfo]
   delete: [name: string]
 }>()
diff --git a/packages/web/src/pages/models/index.vue b/packages/web/src/pages/models/index.vue
index 9b9a5e02..fc4f3eb1 100644
--- a/packages/web/src/pages/models/index.vue
+++ b/packages/web/src/pages/models/index.vue
@@ -2,7 +2,7 @@
 // import type { Payment } from '@/components/columns'
 import { computed, ref, provide, watch, reactive } from 'vue'
 import modelSetting from './model-setting.vue'
-import { useQuery, useQueryCache } from '@pinia/colada'
+import { useQueryCache } from '@pinia/colada'
 import {
   ScrollArea,
   Sidebar,
@@ -28,29 +28,18 @@ import {
   EmptyMedia,
   EmptyTitle,
 } from '@memoh/ui'
-import request from '@/utils/request'
 import { type ProviderInfo } from '@memoh/shared'
 import AddProvider from '@/components/add-provider/index.vue'
 import { clientType } from '@memoh/shared'
+import { useProviderList } from '@/composables/api/useProviders'
 
 const filterProvider = ref('')
-const { data: providerData } = useQuery({
-  key: ['provider'],
-  query: () => request({
-    url: `/providers?client_type=${filterProvider.value}`,
-
-  }).then(fetchValue => fetchValue.data)
-})
+const { data: providerData } = useProviderList(filterProvider)
 const queryCache = useQueryCache()
 
 watch(filterProvider, () => {
-
-  queryCache.invalidateQueries({
-    key: ['provider']
-  })
-}, {
-  immediate:true
-})
+  queryCache.invalidateQueries({ key: ['provider'] })
+}, { immediate: true })
 
 
 const curProvider = ref<Partial<ProviderInfo> & { id: string }>()
diff --git a/packages/web/src/pages/models/model-setting.vue b/packages/web/src/pages/models/model-setting.vue
index ea583c9e..992f06ad 100644
--- a/packages/web/src/pages/models/model-setting.vue
+++ b/packages/web/src/pages/models/model-setting.vue
@@ -21,7 +21,6 @@
       :provider-id="curProvider?.id"
       :models="modelDataList"
       :delete-model-loading="deleteModelLoading"
-      @enable="enableModel"
       @edit="handleEditModel"
       @delete="deleteModel"
     />
@@ -32,10 +31,16 @@
 import { Separator } from '@memoh/ui'
 import ProviderForm from './components/provider-form.vue'
 import ModelList from './components/model-list.vue'
-import { inject, provide, reactive, ref, toRef, watch } from 'vue'
+import { computed, inject, provide, reactive, ref, toRef, watch } from 'vue'
 import { type ProviderInfo, type ModelInfo } from '@memoh/shared'
-import { useMutation, useQuery, useQueryCache } from '@pinia/colada'
-import request from '@/utils/request'
+import {
+  useUpdateProvider,
+  useDeleteProvider,
+} from '@/composables/api/useProviders'
+import {
+  useModelList,
+  useDeleteModel,
+} from '@/composables/api/useModels'
 
 // ---- Model 编辑状态（provide 给 CreateModel） ----
 const openModel = reactive<{
@@ -53,69 +58,22 @@ provide('openModelTitle', toRef(openModel, 'title'))
 provide('openModelState', toRef(openModel, 'curState'))
 
 function handleEditModel(model: ModelInfo) {
-  const copy = { ...model }
-  if ('enable_as' in copy) {
-    delete (copy as Record<string, unknown>).enable_as
-  }
   openModel.state = true
   openModel.title = 'edit'
-  openModel.curState = copy
+  openModel.curState = { ...model }
 }
 
 // ---- 当前 Provider ----
 const curProvider = inject('curProvider', ref<Partial<ProviderInfo & { id: string }>>())
+const curProviderId = computed(() => curProvider.value?.id)
 
-// ---- API Mutations ----
-const queryCache = useQueryCache()
-
-const { mutate: deleteProvider, isLoading: deleteLoading } = useMutation({
-  mutation: () => request({
-    url: `/providers/${curProvider.value?.id}`,
-    method: 'DELETE',
-  }),
-  onSettled: () => queryCache.invalidateQueries({ key: ['provider'] }),
-})
-
-const { mutate: changeProvider, isLoading: editLoading } = useMutation({
-  mutation: (data: Record<string, unknown>) => request({
-    url: `/providers/${curProvider.value?.id}`,
-    method: 'PUT',
-    data,
-  }),
-  onSettled: () => queryCache.invalidateQueries({ key: ['provider'] }),
-})
-
-const { mutate: deleteModel, isLoading: deleteModelLoading } = useMutation({
-  mutation: (id: string) => request({
-    url: `/models/model/${id}`,
-    method: 'DELETE',
-  }),
-  onSettled: () => queryCache.invalidateQueries({ key: ['model'] }),
-})
-
-const { mutate: enableModel } = useMutation({
-  mutation: (data: { as: string; model_id: string }) => request({
-    url: '/models/enable',
-    data,
-    method: 'POST',
-  }),
-  onSettled: () => queryCache.invalidateQueries({ key: ['model'] }),
-})
-
-// ---- Model 列表 ----
-const { data: modelDataList } = useQuery({
-  key: ['model'],
-  query: () => request({
-    url: `/providers/${curProvider.value?.id}/models`,
-  }).then((res) =>
-    res.data.map((model: ModelInfo) => ({
-      ...model,
-      enable_as: model.enable_as ?? 'empty',
-    })),
-  ),
-})
+// ---- API Hooks ----
+const { mutate: deleteProvider, isLoading: deleteLoading } = useDeleteProvider(curProviderId)
+const { mutate: changeProvider, isLoading: editLoading } = useUpdateProvider(curProviderId)
+const { mutate: deleteModel, isLoading: deleteModelLoading } = useDeleteModel()
+const { data: modelDataList, invalidate: invalidateModels } = useModelList(curProviderId)
 
 watch(curProvider, () => {
-  queryCache.invalidateQueries({ key: ['model'] })
+  invalidateModels()
 }, { immediate: true })
 </script>
diff --git a/packages/web/src/pages/platform/index.vue b/packages/web/src/pages/platform/index.vue
index 8843f5f9..1a868bc4 100644
--- a/packages/web/src/pages/platform/index.vue
+++ b/packages/web/src/pages/platform/index.vue
@@ -14,19 +14,13 @@
 </template>
 
 <script setup lang="ts">
-import { useQuery } from '@pinia/colada'
-import request from '@/utils/request'
-import { computed, provide, ref } from 'vue'
+import { provide, ref } from 'vue'
 import AddPlatform from '@/components/add-platform/index.vue'
 import PlatformCard from './components/platform-card.vue'
+import { usePlatformList } from '@/composables/api/usePlatform'
 
 const open = ref(false)
 provide('open', open)
 
-const { data: platformData } = useQuery({
-  key: ['platform'],
-  query: () => request({ url: '/platform/' }),
-})
-
-const platformList = computed(() => platformData.value?.data ?? [])
+const { data: platformList } = usePlatformList()
 </script>
diff --git a/packages/web/src/store/chat-list.ts b/packages/web/src/store/chat-list.ts
index 4c5afeae..f087fbe4 100644
--- a/packages/web/src/store/chat-list.ts
+++ b/packages/web/src/store/chat-list.ts
@@ -1,21 +1,24 @@
 import { defineStore } from 'pinia'
 import { reactive, ref } from 'vue'
 import type { user, robot } from '@memoh/shared'
-import request from '@/utils/request'
+import {
+  fetchBots,
+  createSession,
+  sendChatMessage,
+  createStreamConnection,
+} from '@/composables/api/useChat'
 
-export const useChatList= defineStore('chatList', () => {
-  const chatList = reactive<(((user | robot)))[]>([])
-  const loading=ref(false)
+export const useChatList = defineStore('chatList', () => {
+  const chatList = reactive<(user | robot)[]>([])
+  const loading = ref(false)
   const botId = ref<string | null>(null)
   const sessionId = ref<string | null>(null)
-  const streamAbort = ref<(() => void) | null>(null)
-  const add = (chatItem: user | robot) => {
-    chatList.push(chatItem)
-  }
+  const abortStream = ref<(() => void) | null>(null)
+
   const nextId = () => `${Date.now()}-${Math.floor(Math.random() * 1000)}`
 
   const addUserMessage = (text: string) => {
-    add({
+    chatList.push({
       description: text,
       time: new Date(),
       action: 'user',
@@ -24,7 +27,7 @@ export const useChatList= defineStore('chatList', () => {
   }
 
   const addRobotMessage = (text: string) => {
-    add({
+    chatList.push({
       description: text,
       time: new Date(),
       action: 'robot',
@@ -34,86 +37,30 @@ export const useChatList= defineStore('chatList', () => {
     })
   }
 
-  const extractTextFromEvent = (payload: string) => {
-    try {
-      const event = JSON.parse(payload)
-      if (typeof event === 'string') return event
-      if (typeof event?.text === 'string') return event.text
-      if (typeof event?.content === 'string') return event.content
-      if (typeof event?.data === 'string') return event.data
-      if (typeof event?.data?.text === 'string') return event.data.text
-      return null
-    } catch {
-      return payload
-    }
-  }
-
-  const startStream = async (bot: string, session: string) => {
-    if (streamAbort.value) {
-      streamAbort.value()
-      streamAbort.value = null
-    }
-    const controller = new AbortController()
-    streamAbort.value = () => controller.abort()
-    const token = localStorage.getItem('token') ?? ''
-    const resp = await fetch(`/api/bots/${bot}/web/sessions/${session}/stream`, {
-      method: 'GET',
-      headers: {
-        'Authorization': `Bearer ${token}`,
-      },
-      signal: controller.signal,
-    }).catch(() => null)
-    if (!resp || !resp.ok || !resp.body) {
-      return
-    }
-    const reader = resp.body.getReader()
-    const decoder = new TextDecoder()
-    let buffer = ''
-    while (true) {
-      const { value, done } = await reader.read()
-      if (done) break
-      buffer += decoder.decode(value, { stream: true })
-      let idx
-      while ((idx = buffer.indexOf('\n')) >= 0) {
-        const line = buffer.slice(0, idx).trim()
-        buffer = buffer.slice(idx + 1)
-        if (!line.startsWith('data:')) continue
-        const payload = line.slice(5).trim()
-        if (!payload || payload === '[DONE]') continue
-        const text = extractTextFromEvent(payload)
-        if (text) {
-          addRobotMessage(text)
-        }
-      }
-    }
-  }
-
   const ensureSession = async () => {
+    if (botId.value && sessionId.value) return
+
+    const bots = await fetchBots()
+    if (!bots.length) throw new Error('No bots found')
+
+    botId.value = botId.value ?? bots[0]!.id
+    sessionId.value = await createSession(botId.value)
+
     if (botId.value && sessionId.value) {
-      return
-    }
-    const botResp = await request({
-      url: '/bots',
-      method: 'GET',
-    })
-    const bots = botResp?.data?.items ?? []
-    if (!bots.length) {
-      throw new Error('No bots found')
-    }
-    botId.value = botId.value ?? bots[0].id
-    const sessionResp = await request({
-      url: `/bots/${botId.value}/web/sessions`,
-      method: 'POST',
-    })
-    sessionId.value = sessionResp?.data?.session_id
-    if (botId.value && sessionId.value) {
-      void startStream(botId.value, sessionId.value)
+      // 关闭旧流
+      abortStream.value?.()
+      abortStream.value = createStreamConnection(
+        botId.value,
+        sessionId.value,
+        addRobotMessage,
+      )
     }
   }
 
   const sendMessage = async (text: string) => {
     const trimmed = text.trim()
     if (!trimmed) return
+
     loading.value = true
     try {
       addUserMessage(trimmed)
@@ -121,11 +68,7 @@ export const useChatList= defineStore('chatList', () => {
       if (!botId.value || !sessionId.value) {
         throw new Error('Session not ready')
       }
-      await request({
-        url: `/bots/${botId.value}/web/sessions/${sessionId.value}/messages`,
-        method: 'POST',
-        data: { text: trimmed },
-      })
+      await sendChatMessage(botId.value, sessionId.value, trimmed)
     } finally {
       loading.value = false
     }
@@ -133,8 +76,7 @@ export const useChatList= defineStore('chatList', () => {
 
   return {
     chatList,
-    add,
     loading,
     sendMessage,
   }
-})
\ No newline at end of file
+})
diff --git a/packages/web/src/utils/request.ts b/packages/web/src/utils/request.ts
index 8a35c435..8dfd7a95 100644
--- a/packages/web/src/utils/request.ts
+++ b/packages/web/src/utils/request.ts
@@ -1,28 +1,78 @@
-import axios, { type AxiosRequestConfig } from 'axios'
 import router from '@/router'
 
-const axiosInstance = axios.create({
-  baseURL: '/api',
-})
+const BASE_URL = '/api'
 
-axiosInstance.interceptors.request.use((config) => {
-  const token = localStorage.getItem('token')
-  if (token) {
-    config.headers.Authorization = `Bearer ${token}`
+export class ApiError extends Error {
+  status: number
+  statusText: string
+  body?: unknown
+
+  constructor(status: number, statusText: string, body?: unknown) {
+    super(`API Error ${status}: ${statusText}`)
+    this.name = 'ApiError'
+    this.status = status
+    this.statusText = statusText
+    this.body = body
   }
-  return config
-})
-
-axiosInstance.interceptors.response.use(
-  (response) => response,
-  (error) => {
-    if (error?.response?.status === 401) {
-      router.replace({ name: 'Login' })
-    }
-    return Promise.reject(error)
-  },
-)
-
-export default function request(config: AxiosRequestConfig) {
-  return axiosInstance(config)
+}
+
+export interface FetchOptions {
+  method?: 'GET' | 'POST' | 'PUT' | 'DELETE' | 'PATCH'
+  body?: unknown
+  headers?: Record<string, string>
+  /** 不附加 Authorization header */
+  noAuth?: boolean
+  signal?: AbortSignal
+}
+
+/**
+ * 基于 fetch 的类型安全请求函数。
+ * 自动处理：JSON 序列化、token 注入、401 跳转。
+ * 返回值直接是 API 响应的 JSON，不需要再 .data 解包。
+ */
+export async function fetchApi<T = unknown>(
+  url: string,
+  options: FetchOptions = {},
+): Promise<T> {
+  const { method = 'GET', body, headers = {}, noAuth = false, signal } = options
+
+  if (!noAuth) {
+    const token = localStorage.getItem('token')
+    if (token) {
+      headers['Authorization'] = `Bearer ${token}`
+    }
+  }
+
+  if (body !== undefined) {
+    headers['Content-Type'] = 'application/json'
+  }
+
+  const response = await fetch(`${BASE_URL}${url}`, {
+    method,
+    headers,
+    body: body !== undefined ? JSON.stringify(body) : undefined,
+    signal,
+  })
+
+  if (response.status === 401) {
+    router.replace({ name: 'Login' })
+    throw new ApiError(response.status, response.statusText)
+  }
+
+  if (!response.ok) {
+    let errorBody: unknown
+    try {
+      errorBody = await response.json()
+    } catch {
+      // 无法解析
+    }
+    throw new ApiError(response.status, response.statusText, errorBody)
+  }
+
+  // 204 No Content 等情况
+  if (response.status === 204 || response.headers.get('content-length') === '0') {
+    return undefined as T
+  }
+
+  return response.json() as Promise<T>
 }