diff --git a/.env.example b/.env.example
new file mode 100644
index 0000000..e823eea
--- /dev/null
+++ b/.env.example
@@ -0,0 +1,2 @@
+DIFY_BASE_URL=
+DIFY_API_KEY=
diff --git a/assets/css/main.css b/assets/css/main.css
index d955357..6a76cdd 100644
--- a/assets/css/main.css
+++ b/assets/css/main.css
@@ -1,4 +1,5 @@
 @import "tailwindcss" theme(static);
+@plugin "@tailwindcss/typography";
 @import "@nuxt/ui";
 
 @theme static {
diff --git a/components/ChatMessage.vue b/components/ChatMessage.vue
new file mode 100644
index 0000000..4571cc0
--- /dev/null
+++ b/components/ChatMessage.vue
@@ -0,0 +1,51 @@
+<script lang="ts" setup>
+import type { LocalMessage } from "~/types";
+
+defineProps({
+  message: {
+    type: Object as PropType<LocalMessage>,
+    default: null,
+  },
+  name: {
+    type: String,
+    default: "AI 智慧校园",
+  },
+  icon: {
+    type: String,
+    default: "tabler:robot-face",
+  },
+});
+</script>
+
+<template>
+  <div v-if="message.role === 'user'" class="flex flex-col items-end gap-2">
+    <div
+      class="rounded-2xl rounded-br-none bg-primary-400 px-3 py-2 text-sm w-fit max-w-8/12 break-all text-justify text-white font-medium dark:bg-primary-500"
+    >
+      {{ message.message }}
+    </div>
+  </div>
+  <div v-else-if="message.role === 'bot'" class="flex flex-col gap-2">
+    <div class="flex gap-1.5 items-center">
+      <div
+        class="w-7 h-7 rounded-lg border border-neutral-200 bg-white shadow-sm flex justify-center items-center dark:bg-neutral-700 dark:border-neutral-600"
+      >
+        <UIcon :name="icon" />
+      </div>
+      <span class="text-sm font-medium">{{ name }}</span>
+    </div>
+    <div
+      class="rounded-lg bg-white/50 p-2 text-sm dark:bg-neutral-800/50 break-all text-justify"
+    >
+      <div v-if="message.message" class="prose prose-sm">
+        {{ message.message }}
+      </div>
+      <span v-else class="flex items-center gap-1.5">
+        <UIcon name="svg-spinners:3-dots-scale" class="text-lg -mt-0.5" />
+        <p class="text-xs">思考中</p>
+      </span>
+    </div>
+  </div>
+</template>
+
+<style scoped></style>
diff --git a/components/PopularInquiries.vue b/components/PopularInquiries.vue
index 3a0402d..7e8107c 100644
--- a/components/PopularInquiries.vue
+++ b/components/PopularInquiries.vue
@@ -8,6 +8,10 @@ const props = defineProps({
   },
 });
 
+const emit = defineEmits({
+  "select-inquiry": (inquiry: string) => true,
+});
+
 const activeTab = ref("0");
 </script>
 
@@ -37,6 +41,7 @@ const activeTab = ref("0");
           size="sm"
           block
           :key="inquiry.question"
+          @click="() => emit('select-inquiry', inquiry.question)"
         >
           {{ inquiry.question }}
         </UButton>
diff --git a/layouts/default.vue b/layouts/default.vue
index 1c6b873..03c8524 100644
--- a/layouts/default.vue
+++ b/layouts/default.vue
@@ -1,11 +1,54 @@
-<script lang="ts" setup></script>
+<script lang="ts" setup>
+import type { VisitorRole } from "~/types";
+
+const route = useRoute();
+const gstate = useGState();
+
+onMounted(() => {
+  if (route.query?.role) {
+    if (
+      route.query.role !== "stu" &&
+      route.query.role !== "tea" &&
+      route.query.role !== "fans"
+    ) {
+      return;
+    }
+    gstate.setCurrentRole(route.query.role as VisitorRole);
+  }
+});
+
+// const items = ref([
+//   {
+//     label: 'Backlog',
+//     value: 'backlog',
+//     icon: 'i-lucide-circle-help'
+//   },
+//   {
+//     label: 'Todo',
+//     value: 'todo',
+//     icon: 'i-lucide-circle-plus'
+//   },
+//   {
+//     label: 'In Progress',
+//     value: 'in_progress',
+//     icon: 'i-lucide-circle-arrow-up'
+//   },
+//   {
+//     label: 'Done',
+//     value: 'done',
+//     icon: 'i-lucide-circle-check'
+//   }
+// ])
+// const value = ref(items.value[0])
+</script>
 
 <template>
   <div class="w-full h-full flex flex-col dark:bg-neutral-900/80">
     <div
       class="sticky top-0 w-full px-4 py-3 bg-white/30 backdrop-blur-2xl z-30 dark:bg-neutral-900/80"
     >
-      <h1 class="font-medium">AI 智慧校园</h1>
+      <h1 class="font-medium">{{ gstate.botName }}</h1>
+      <!-- <USelectMenu v-model="value"  color="primary" variant="none" :items="items" class="w-48" size="lg"  :ui="{base: 'w-fit'}" /> -->
     </div>
     <slot></slot>
   </div>
@@ -14,5 +57,9 @@
 <style>
 body {
   background-image: url("~/assets/image/pattern/mesh-7.png");
+  background-position: center;
+  background-size: cover;
+  background-attachment: fixed;
+  background-repeat: no-repeat;
 }
 </style>
diff --git a/nuxt.config.ts b/nuxt.config.ts
index cc520d8..6af50d9 100644
--- a/nuxt.config.ts
+++ b/nuxt.config.ts
@@ -4,9 +4,15 @@ import tailwindcss from "@tailwindcss/vite";
 export default defineNuxtConfig({
   compatibilityDate: "2024-11-01",
   devtools: { enabled: true },
-  modules: ["@nuxt/ui"],
+  modules: ["@nuxt/ui", "@pinia/nuxt"],
   css: ["~/assets/css/main.css"],
+  runtimeConfig: {
+    public: {
+      DifyBaseURL: process.env.DIFY_BASE_URL,
+      DifyApiKey: process.env.DIFY_API_KEY,
+    },
+  },
   vite: {
     plugins: [tailwindcss()],
   },
-});
+});
\ No newline at end of file
diff --git a/package.json b/package.json
index b334821..64c01c0 100644
--- a/package.json
+++ b/package.json
@@ -10,8 +10,13 @@
     "postinstall": "nuxt prepare"
   },
   "dependencies": {
+    "@pinia/nuxt": "0.10.1",
+    "@tailwindcss/typography": "^0.5.16",
     "@tailwindcss/vite": "^4.0.14",
+    "@uniiem/uuid": "^0.2.1",
+    "dotenv": "^16.4.7",
     "nuxt": "^3.16.0",
+    "pinia": "^3.0.1",
     "tailwindcss": "^4.0.14",
     "vue": "^3.5.13",
     "vue-router": "^4.5.0"
diff --git a/pages/index.vue b/pages/index.vue
index 8db2f70..54236ae 100644
--- a/pages/index.vue
+++ b/pages/index.vue
@@ -1,73 +1,207 @@
 <script lang="ts" setup>
+import { uuidv4 } from "@uniiem/uuid";
+import type { IWorkflowResponse, LocalMessage, VisitorRole } from "~/types";
+
+const gstate = useGState();
+const runtimeConfig = useRuntimeConfig();
+
 const getPopularInquiriesByRole = () => {
-  return [
-    {
-      label: "新生入学",
-      inquiries: [
-        {
-          question: "新生报到时间",
-        },
-        {
-          question: "新生报到流程",
-        },
-        {
-          question: "如何到达学院",
-        },
-        {
-          question: "如何办理户口迁移",
-        },
-        {
-          question: "学院 VPN 使用方法",
-        },
-      ],
-    },
-    {
-      label: "学校概况",
-    },
-    {
-      label: "学术学习",
-    },
-    {
-      label: "生活服务",
-    },
-    {
-      label: "就业辅导",
-    },
-  ];
+  return {
+    stu: [
+      {
+        label: "新生入学",
+        inquiries: [
+          {
+            question: "新生报到时间",
+          },
+          {
+            question: "新生报到流程",
+          },
+          {
+            question: "如何到达学院",
+          },
+          {
+            question: "如何办理户口迁移",
+          },
+          {
+            question: "学院 VPN 使用方法",
+          },
+        ],
+      },
+      {
+        label: "学校概况",
+      },
+      {
+        label: "学术学习",
+      },
+      {
+        label: "生活服务",
+      },
+      {
+        label: "就业辅导",
+      },
+    ],
+    tea: [
+      {
+        label: "教学管理",
+      },
+      {
+        label: "科研管理",
+      },
+      {
+        label: "学生管理",
+      },
+      {
+        label: "教学资源",
+      },
+      {
+        label: "教学评价",
+      },
+    ],
+    fans: [
+      {
+        label: "校园风光",
+      },
+      {
+        label: "校园活动",
+      },
+      {
+        label: "校园新闻",
+      },
+      {
+        label: "校园文化",
+      },
+      {
+        label: "校园历史",
+      },
+    ],
+  } as Record<
+    VisitorRole,
+    { label: string; inquiries?: Array<{ question: string }> }[]
+  >;
 };
 
-const inquiries = computed(() => getPopularInquiriesByRole());
+const scrollArea = ref<HTMLDivElement | null>(null);
+// 滤除 details 标签正则
+const regex = /(?<=<\/details>\n\n)[\s\S]*/gm;
+
+// 常见问题
+const inquiries = computed(
+  () => getPopularInquiriesByRole()[gstate.currentRole]
+);
+
+const responding = ref(false);
+const inquiryInput = ref("");
+const onInquirySubmit = async () => {
+  if (inquiryInput.value) {
+    gstate.insertOrUpdateMessage({
+      id: uuidv4(),
+      role: "user",
+      message: inquiryInput.value,
+    });
+    responding.value = true;
+
+    scrollLastMessageIntoView();
+
+    let botMessageId = uuidv4();
+    gstate.insertOrUpdateMessage({
+      id: botMessageId,
+      role: "bot",
+    });
+
+    try {
+      const resp = await useFetch<IWorkflowResponse>(
+        `${runtimeConfig.public.DifyBaseURL}/workflows/run`,
+        {
+          method: "post",
+          headers: {
+            Authorization: `Bearer ${runtimeConfig.public.DifyApiKey}`,
+          },
+          body: JSON.stringify({
+            inputs: {
+              question: inquiryInput.value,
+              role: gstate.currentRole,
+            },
+            response_mode: "blocking",
+            user: "abc-123",
+          }),
+        }
+      );
+      gstate.insertOrUpdateMessage({
+        id: botMessageId,
+        role: "bot",
+        message:
+          resp.data.value?.data.outputs.message.match(regex)?.[0] ||
+          "网络繁忙，请稍后再试",
+      });
+    } catch (error) {
+      gstate.insertOrUpdateMessage({
+        id: botMessageId,
+        role: "bot",
+        message: "网络繁忙，请稍后再试",
+      });
+    }
+    inquiryInput.value = "";
+
+    responding.value = false;
+    scrollLastMessageIntoView();
+  }
+};
+
+const scrollLastMessageIntoView = () => {
+  nextTick(() => {
+    scrollArea.value?.scrollTo({
+      top: scrollArea.value?.scrollHeight,
+      behavior: "smooth",
+    });
+  });
+};
 </script>
 
 <template>
-  <div>
-    <div class="p-4 h-full flex flex-col gap-4 mb-20">
-      <PopularInquiries :inquiries-list="inquiries" />
-
-      <ChatUserMessage message="眩生花是什么？" />
-      <ChatBotMessage
-        name="AI 辅导员"
-        message="眩生花是一家科技公司，全称为重庆眩生花科技有限公司。它专注于新一代人工智能技术的研发与应用，包括AI大模型、AIGC（生成式人工智能）、AI Agent、AI-First以及AGI（通用人工智能）等领域的创新解决方案。公司的目标是通过这些先进技术为高等教育、职业教育和基础教育等行业提供变革性的服务，助力教育生态的重塑。
-
-眩生花秉承“以人为本、抱诚守真、求实创新”的价值观，致力于成为AI教育时代的变革者，推动教育方式的革新与进步。"
+  <div ref="scrollArea" class="h-full overflow-auto overflow-x-hidden mb-20">
+    <div class="p-4 h-full flex flex-col gap-4">
+      <PopularInquiries
+        :inquiries-list="inquiries"
+        @select-inquiry="
+          (inquiry) => {
+            if (responding) return;
+            inquiryInput = inquiry;
+            onInquirySubmit();
+          }
+        "
+      />
+
+      <ChatMessage
+        v-for="message in gstate.messages"
+        :name="gstate.botName"
+        :key="message.id"
+        :message="message"
       />
-      <ChatUserMessage message="这是前端测试示例消息" />
-      <ChatBotMessage name="AI 辅导员" />
     </div>
     <div
       class="fixed inset-x-0 bottom-0 p-4 bg-white/90 rounded-t-2xl shadow-2xl dark:bg-neutral-800/90 backdrop-blur-2xl"
     >
       <img
         src="~/assets/image/pattern/ai_glow.png"
-        class="absolute top-0 inset-x-0 opacity-50"
+        class="absolute top-0 inset-x-0 opacity-50 pointer-events-none"
       />
       <div class="w-full flex justify-between items-center gap-2">
-        <UInput placeholder="请输入问题" class="flex-1" size="xl" />
+        <UInput
+          placeholder="请输入问题"
+          class="flex-1"
+          size="xl"
+          v-model="inquiryInput"
+        />
         <UButton
           color="primary"
           variant="solid"
           size="xl"
+          trailing
           trailing-icon="tabler:send-2"
+          :loading="responding"
+          loading-icon="svg-spinners:tadpole"
+          @click="onInquirySubmit"
           >提问</UButton
         >
       </div>
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 1f270f6..99d9562 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -8,12 +8,27 @@ importers:
 
   .:
     dependencies:
+      '@pinia/nuxt':
+        specifier: 0.10.1
+        version: 0.10.1(magicast@0.3.5)(pinia@3.0.1(typescript@5.8.2)(vue@3.5.13(typescript@5.8.2)))
+      '@tailwindcss/typography':
+        specifier: ^0.5.16
+        version: 0.5.16(tailwindcss@4.0.14)
       '@tailwindcss/vite':
         specifier: ^4.0.14
         version: 4.0.14(vite@6.2.1(@types/node@22.13.10)(jiti@2.4.2)(lightningcss@1.29.2)(terser@5.39.0)(yaml@2.7.0))
+      '@uniiem/uuid':
+        specifier: ^0.2.1
+        version: 0.2.1
+      dotenv:
+        specifier: ^16.4.7
+        version: 16.4.7
       nuxt:
         specifier: ^3.16.0
         version: 3.16.0(@parcel/watcher@2.5.1)(@types/node@22.13.10)(db0@0.3.1)(ioredis@5.6.0)(lightningcss@1.29.2)(magicast@0.3.5)(rollup@4.35.0)(terser@5.39.0)(typescript@5.8.2)(vite@6.2.1(@types/node@22.13.10)(jiti@2.4.2)(lightningcss@1.29.2)(terser@5.39.0)(yaml@2.7.0))(yaml@2.7.0)
+      pinia:
+        specifier: ^3.0.1
+        version: 3.0.1(typescript@5.8.2)(vue@3.5.13(typescript@5.8.2))
       tailwindcss:
         specifier: ^4.0.14
         version: 4.0.14
@@ -638,6 +653,11 @@ packages:
     resolution: {integrity: sha512-dfUnCxiN9H4ap84DvD2ubjw+3vUNpstxa0TneY/Paat8a3R4uQZDLSvWjmznAY/DoahqTHl9V46HF/Zs3F29pg==}
     engines: {node: '>= 10.0.0'}
 
+  '@pinia/nuxt@0.10.1':
+    resolution: {integrity: sha512-xrpkKZHSmshPK6kQzboJ+TZiZ5zj73gBCI5SfiUaJkKKS9gx4B1hLEzJIjxZl0/HS5jRWrIvQ+u9ulvIRlNiow==}
+    peerDependencies:
+      pinia: ^3.0.1
+
   '@pkgjs/parseargs@0.11.0':
     resolution: {integrity: sha512-+1VkjdD0QBLPodGrJUeqarH8VAIvQODIbwh9XpP5Syisf7YoQgsJKPNFoqqLQlu+VQ/tVSshMR6loPMn8U+dPg==}
     engines: {node: '>=14'}
@@ -1003,6 +1023,11 @@ packages:
   '@tailwindcss/postcss@4.0.13':
     resolution: {integrity: sha512-zTmnPGDYb2HKClTBTBwB+lLQH+Rq4etnQXFXs2lisRyXryUnoJIBByFTljkaK9F1d7o14h6t4NJIlfbZuOHR+A==}
 
+  '@tailwindcss/typography@0.5.16':
+    resolution: {integrity: sha512-0wDLwCVF5V3x3b1SGXPCDcdsbDHMBe+lkFzBRaHeLvNi+nrrnZ1lA18u+OTWO8iSWU2GxUOCvlXtDuqftc1oiA==}
+    peerDependencies:
+      tailwindcss: '>=3.0.0 || insiders || >=4.0.0-alpha.20 || >=4.0.0-beta.1'
+
   '@tailwindcss/vite@4.0.14':
     resolution: {integrity: sha512-y69ztPTRFy+13EPS/7dEFVl7q2Goh1pQueVO8IfGeyqSpcx/joNJXFk0lLhMgUbF0VFJotwRSb9ZY7Xoq3r26Q==}
     peerDependencies:
@@ -1059,6 +1084,9 @@ packages:
     peerDependencies:
       vue: '>=3.5.13'
 
+  '@uniiem/uuid@0.2.1':
+    resolution: {integrity: sha512-p8DOA3BTkZgvgtOCtK5x7Y2l+GRTFhYrOua70YPiEEUomQFirwxpWrQBst+7oB/iPTeY1zHuF6MKl+mxi0R00A==}
+
   '@vercel/nft@0.29.2':
     resolution: {integrity: sha512-A/Si4mrTkQqJ6EXJKv5EYCDQ3NL6nJXxG8VGXePsaiQigsomHYQC9xSpX8qGk7AEZk4b1ssbYIqJ0ISQQ7bfcA==}
     engines: {node: '>=18'}
@@ -1118,6 +1146,9 @@ packages:
   '@vue/devtools-api@6.6.4':
     resolution: {integrity: sha512-sGhTPMuXqZ1rVOk32RylztWkfXTRhuS7vgAKv0zjqk8gbsHkJ7xfFf+jbySxt7tWObEJwyKaHMikV/WGDiQm8g==}
 
+  '@vue/devtools-api@7.7.2':
+    resolution: {integrity: sha512-1syn558KhyN+chO5SjlZIwJ8bV/bQ1nOVTG66t2RbG66ZGekyiYNmRO7X9BJCXQqPsFHlnksqvPhce2qpzxFnA==}
+
   '@vue/devtools-core@7.7.2':
     resolution: {integrity: sha512-lexREWj1lKi91Tblr38ntSsy6CvI8ba7u+jmwh2yruib/ltLUcsIzEjCnrkh1yYGGIKXbAuYV2tOG10fGDB9OQ==}
     peerDependencies:
@@ -2250,15 +2281,24 @@ packages:
     resolution: {integrity: sha512-WunYko2W1NcdfAFpuLUoucsgULmgDBRkdxHxWQ7mK0cQqwPiy8E1enjuRBrhLtZkB5iScJ1XIPdhVEFK8aOLSg==}
     engines: {node: '>=14'}
 
+  lodash.castarray@4.4.0:
+    resolution: {integrity: sha512-aVx8ztPv7/2ULbArGJ2Y42bG1mEQ5mGjpdvrbJcJFU3TbYybe+QlLS4pst9zV52ymy2in1KpFPiZnAOATxD4+Q==}
+
   lodash.defaults@4.2.0:
     resolution: {integrity: sha512-qjxPLHd3r5DnsdGacqOMU6pb/avJzdh9tFX2ymgoZE27BmjXrNy/y4LoaiTeAb+O3gL8AfpJGtqfX/ae2leYYQ==}
 
   lodash.isarguments@3.1.0:
     resolution: {integrity: sha512-chi4NHZlZqZD18a0imDHnZPrDeBbTtVN7GXMwuGdRH9qotxAjYs3aVLKc7zNOG9eddR5Ksd8rvFEBc9SsggPpg==}
 
+  lodash.isplainobject@4.0.6:
+    resolution: {integrity: sha512-oSXzaWypCMHkPC3NvBEaPHf0KsA5mvPrOPgQWDsbg8n7orZ290M0BmC/jgRZ4vcJ6DTAhjrsSYgdsW/F+MFOBA==}
+
   lodash.memoize@4.1.2:
     resolution: {integrity: sha512-t7j+NzmgnQzTAYXcsHYLgimltOV1MXHtlOWf6GjL9Kj8GK5FInw5JotxvbOs+IvV1/Dzo04/fCGfLVs7aXb4Ag==}
 
+  lodash.merge@4.6.2:
+    resolution: {integrity: sha512-0KpjqXRVvrYyCsX1swR/XTK0va6VQkQM6MNo7PqW77ByjAhoARA8EfrP1N4+KlKj8YS0ZUCtRT/YUuhyYDujIQ==}
+
   lodash.uniq@4.5.0:
     resolution: {integrity: sha512-xfBaXQd9ryd9dlSDvnvI0lvxfLJlYAZzXomUYzLKtUeOQvOP5piqAWuGtrhWeqaXK9hhoM/iyJc5AV+XfsX3HQ==}
 
@@ -2567,6 +2607,15 @@ packages:
     resolution: {integrity: sha512-M7BAV6Rlcy5u+m6oPhAPFgJTzAioX/6B0DxyvDlo9l8+T3nLKbrczg2WLUyzd45L8RqfUMyGPzekbMvX2Ldkwg==}
     engines: {node: '>=12'}
 
+  pinia@3.0.1:
+    resolution: {integrity: sha512-WXglsDzztOTH6IfcJ99ltYZin2mY8XZCXujkYWVIJlBjqsP6ST7zw+Aarh63E1cDVYeyUcPCxPHzJpEOmzB6Wg==}
+    peerDependencies:
+      typescript: '>=4.4.4'
+      vue: ^2.7.0 || ^3.5.11
+    peerDependenciesMeta:
+      typescript:
+        optional: true
+
   pkg-types@1.3.1:
     resolution: {integrity: sha512-/Jm5M4RvtBFVkKWRu2BLUTNP8/M2a+UwuAX+ae4770q1qVGtfjG+WTCupoZixokjmHiry8uI+dlY8KXYV5HVVQ==}
 
@@ -2727,6 +2776,10 @@ packages:
     peerDependencies:
       postcss: ^8.4.31
 
+  postcss-selector-parser@6.0.10:
+    resolution: {integrity: sha512-IQ7TZdoaqbT+LCpShg46jnZVlhWD2w6iQYAcYXfHARZ7X1t/UGhhceQDs5X0cGqKvYlHNOuv7Oa1xmb0oQuA3w==}
+    engines: {node: '>=4'}
+
   postcss-selector-parser@6.1.2:
     resolution: {integrity: sha512-Q8qQfPiZ+THO/3ZrOrO0cJJKfpYCagtMUkXbnEfmgUjwXg6z/WBeOyS9APBBPCTSiDV+s4SwQGu8yFsiMRIudg==}
     engines: {node: '>=4'}
@@ -4429,6 +4482,13 @@ snapshots:
       '@parcel/watcher-win32-ia32': 2.5.1
       '@parcel/watcher-win32-x64': 2.5.1
 
+  '@pinia/nuxt@0.10.1(magicast@0.3.5)(pinia@3.0.1(typescript@5.8.2)(vue@3.5.13(typescript@5.8.2)))':
+    dependencies:
+      '@nuxt/kit': 3.16.0(magicast@0.3.5)
+      pinia: 3.0.1(typescript@5.8.2)(vue@3.5.13(typescript@5.8.2))
+    transitivePeerDependencies:
+      - magicast
+
   '@pkgjs/parseargs@0.11.0':
     optional: true
 
@@ -4718,6 +4778,14 @@ snapshots:
       postcss: 8.5.3
       tailwindcss: 4.0.13
 
+  '@tailwindcss/typography@0.5.16(tailwindcss@4.0.14)':
+    dependencies:
+      lodash.castarray: 4.4.0
+      lodash.isplainobject: 4.0.6
+      lodash.merge: 4.6.2
+      postcss-selector-parser: 6.0.10
+      tailwindcss: 4.0.14
+
   '@tailwindcss/vite@4.0.14(vite@6.2.1(@types/node@22.13.10)(jiti@2.4.2)(lightningcss@1.29.2)(terser@5.39.0)(yaml@2.7.0))':
     dependencies:
       '@tailwindcss/node': 4.0.14
@@ -4771,6 +4839,8 @@ snapshots:
       unhead: 2.0.0-rc.10
       vue: 3.5.13(typescript@5.8.2)
 
+  '@uniiem/uuid@0.2.1': {}
+
   '@vercel/nft@0.29.2(rollup@4.35.0)':
     dependencies:
       '@mapbox/node-pre-gyp': 2.0.0
@@ -4877,6 +4947,10 @@ snapshots:
 
   '@vue/devtools-api@6.6.4': {}
 
+  '@vue/devtools-api@7.7.2':
+    dependencies:
+      '@vue/devtools-kit': 7.7.2
+
   '@vue/devtools-core@7.7.2(vite@6.2.1(@types/node@22.13.10)(jiti@2.4.2)(lightningcss@1.29.2)(terser@5.39.0)(yaml@2.7.0))(vue@3.5.13(typescript@5.8.2))':
     dependencies:
       '@vue/devtools-kit': 7.7.2
@@ -5986,12 +6060,18 @@ snapshots:
       pkg-types: 2.1.0
       quansync: 0.2.8
 
+  lodash.castarray@4.4.0: {}
+
   lodash.defaults@4.2.0: {}
 
   lodash.isarguments@3.1.0: {}
 
+  lodash.isplainobject@4.0.6: {}
+
   lodash.memoize@4.1.2: {}
 
+  lodash.merge@4.6.2: {}
+
   lodash.uniq@4.5.0: {}
 
   lodash@4.17.21: {}
@@ -6474,6 +6554,13 @@ snapshots:
 
   picomatch@4.0.2: {}
 
+  pinia@3.0.1(typescript@5.8.2)(vue@3.5.13(typescript@5.8.2)):
+    dependencies:
+      '@vue/devtools-api': 7.7.2
+      vue: 3.5.13(typescript@5.8.2)
+    optionalDependencies:
+      typescript: 5.8.2
+
   pkg-types@1.3.1:
     dependencies:
       confbox: 0.1.8
@@ -6626,6 +6713,11 @@ snapshots:
       postcss: 8.5.3
       postcss-value-parser: 4.2.0
 
+  postcss-selector-parser@6.0.10:
+    dependencies:
+      cssesc: 3.0.0
+      util-deprecate: 1.0.2
+
   postcss-selector-parser@6.1.2:
     dependencies:
       cssesc: 3.0.0
diff --git a/stores/state.ts b/stores/state.ts
new file mode 100644
index 0000000..0bd7769
--- /dev/null
+++ b/stores/state.ts
@@ -0,0 +1,51 @@
+import type { LocalMessage, VisitorRole } from "~/types";
+
+export const useGState = defineStore("global_state", () => {
+  const currentRole = ref<VisitorRole>("stu");
+  const botName = computed(() => {
+    switch (currentRole.value) {
+      case "stu":
+        return "AI 辅导员";
+      case "tea":
+        return "AI 教研专家";
+      case "fans":
+        return "校园百事通";
+      default:
+        return "AI 智慧校园";
+    }
+  });
+
+  const setCurrentRole = (role: VisitorRole) => {
+    currentRole.value = role;
+  };
+
+  const messagesByRole = ref<Record<VisitorRole, LocalMessage[]>>({
+    stu: [],
+    tea: [],
+    fans: [],
+  });
+  const messages = computed({
+    get: () => messagesByRole.value[currentRole.value],
+    set: (value: LocalMessage[]) => {
+      messagesByRole.value[currentRole.value] = value;
+    },
+  });
+
+  const insertOrUpdateMessage = (message: LocalMessage) => {
+    const index = messages.value.findIndex((m) => m.id === message.id);
+    if (index >= 0) {
+      messages.value.splice(index, 1, message);
+    } else {
+      messages.value.push(message);
+    }
+  };
+
+  return {
+    currentRole,
+    botName,
+    setCurrentRole,
+    messagesByRole,
+    messages,
+    insertOrUpdateMessage,
+  };
+});
diff --git a/types/index.ts b/types/index.ts
index 3a91188..e1dad32 100644
--- a/types/index.ts
+++ b/types/index.ts
@@ -1 +1,30 @@
 export type VisitorRole = "stu" | "tea" | "fans";
+
+export type LocalMessage = {
+  id: string;
+  role: "bot" | "user";
+  message?: string;
+};
+
+export interface IWorkflowResponse {
+  task_id: string;
+  workflow_run_id: string;
+  data: IWorkflowResponseData;
+}
+
+export interface IWorkflowResponseData {
+  id: string;
+  workflow_id: string;
+  status: string;
+  outputs: IWorkflowInquiryOutputs;
+  error: null;
+  elapsed_time: number;
+  total_tokens: number;
+  total_steps: number;
+  created_at: number;
+  finished_at: number;
+}
+
+export interface IWorkflowInquiryOutputs {
+  message: string;
+}