diff --git a/pages/aigc/chat/index.vue b/pages/aigc/chat/index.vue
index e5593dd..e1be545 100644
--- a/pages/aigc/chat/index.vue
+++ b/pages/aigc/chat/index.vue
@@ -13,6 +13,7 @@ import {useHistory} from "~/composables/useHistory";
 import {uuidv4} from "@uniiem/uuid";
 import {useLLM} from "~/composables/useLLM";
 import {trimObject} from "@uniiem/object-trim";
+import ModalAuthentication from "~/components/ModalAuthentication.vue";
 
 useHead({
   title: '聊天 | XSH AI'
@@ -20,6 +21,8 @@ useHead({
 
 const dayjs = useDayjs()
 const toast = useToast()
+const modal = useModal()
+const loginState = useLoginState()
 const historyStore = useHistory()
 const {chatSessions} = storeToRefs(historyStore)
 const {setChatSessions} = historyStore
@@ -107,6 +110,10 @@ const handleClickCreateSession = () => {
  * @param event
  */
 const handleClickSend = (event: any) => {
+  if (!loginState.is_logged_in) {
+    modal.open(ModalAuthentication)
+    return;
+  }
   if (event.ctrlKey) {
     return;
   }
@@ -299,7 +306,7 @@ onMounted(() => {
     </div>
 
     <!-- Modals -->
-    <UModal v-model="modals.modelSelect">
+    <UModal prevent-close v-model="modals.modelSelect">
       <UCard>
         <template #header>
           <h3 class="text-base font-semibold leading-6 text-gray-900 dark:text-white">