diff --git a/src/components/AssistantMenu.vue b/src/components/AssistantMenu.vue
index 4fee14f..1c12f1c 100644
--- a/src/components/AssistantMenu.vue
+++ b/src/components/AssistantMenu.vue
@@ -6,7 +6,11 @@
         <span class="text-xl">切换助理</span>
       </div>
     </template>
-    <n-list-item v-for="a in assistantStore.assistants" :key="a.id">
+    <n-list-item
+      v-for="a in assistantStore.assistants"
+      :key="a.id"
+      @click="changeAssistant(a.id)"
+    >
       <n-thing>
         {{ a.name }}
       </n-thing>
@@ -18,10 +22,12 @@
 import { useUserStore } from "../stores/user";
 import { updateAll } from "../plugins/update/update";
 import { useAssistantStore } from "../stores/assistants";
+import { useChatStore } from "@/stores/chat";
 
 const loaded = ref(false);
 const userStore = useUserStore();
 const assistantStore = useAssistantStore();
+const chatStore = useChatStore();
 
 watch(
   () => userStore.logined,
@@ -36,5 +42,11 @@ function update() {
   loaded.value = true;
 }
 
+const changeAssistant = (id: number | undefined) => {
+  if (id) {
+    chatStore.currentAssistantId = id;
+  }
+};
+
 update();
 </script>
diff --git a/src/components/chat/Chat.vue b/src/components/chat/Chat.vue
index 0a90060..159da13 100644
--- a/src/components/chat/Chat.vue
+++ b/src/components/chat/Chat.vue
@@ -141,6 +141,7 @@ import {
   EntityChatMessage,
   SchemaChatMessageAddRequestRoleEnum,
   EntityChat,
+  SchemaChatMessageAddRequest,
 } from "@/api";
 import getApi from "@/plugins/api";
 import MessageList from "./MessageList.vue";
@@ -339,12 +340,20 @@ async function sendMessage(
       });
   }
 
+  let payload: SchemaChatMessageAddRequest = {
+    message: text,
+    role: role,
+  };
+  if (chatStore.currentAssistantId) {
+    payload = {
+      ...payload,
+      assistant_id: chatStore.currentAssistantId,
+    };
+  }
+
   toolError.value = false;
   getApi()
-    .ChatMessage.apiV1ChatsIdMessagesPost(Number(chatId.value), {
-      message: text,
-      role: role,
-    })
+    .ChatMessage.apiV1ChatsIdMessagesPost(Number(chatId.value), payload)
     .then(async (res) => {
       // const newMessage = {
       //   content: text,
@@ -529,7 +538,7 @@ const chatData: Ref<EntityChat> = ref({});
 const getChat = async () => {
   chatData.value = (
     await getApi().Chat.apiV1ChatsIdGet(chatStore.currentChatId)
-  ).data.data;
+  ).data.data ?? {};
 };
 
 onMounted(() => {
diff --git a/src/config/config.ts b/src/config/config.ts
index d2c8e61..a601ecf 100644
--- a/src/config/config.ts
+++ b/src/config/config.ts
@@ -16,7 +16,7 @@ if (process.env.NODE_ENV === "production") {
   config.oauth_client_id = "16";
 }
 
-// config.backend = "https://amber-api.leaflow.cn";
+config.backend = "https://amber-api.leaflow.cn";
 
 // console.log("api endpoint: " + config.backend);
 
diff --git a/src/stores/chat.ts b/src/stores/chat.ts
index d2f3817..a1771ed 100644
--- a/src/stores/chat.ts
+++ b/src/stores/chat.ts
@@ -5,6 +5,7 @@ export const useChatStore = defineStore("chats", {
   persist: false,
   state: () => ({
     currentChatId: 0,
+    currentAssistantId: 0,
     chats: <EntityChat[] | undefined>[],
   }),
 });