diff --git a/Yi.Ai.Vue3/src/api/chat/index.ts b/Yi.Ai.Vue3/src/api/chat/index.ts
index d1d61553..2c5da101 100644
--- a/Yi.Ai.Vue3/src/api/chat/index.ts
+++ b/Yi.Ai.Vue3/src/api/chat/index.ts
@@ -2,7 +2,12 @@ import type { ChatMessageVo, GetChatListParams, SendDTO } from './types';
 import { get, post } from '@/utils/request';
 
 // 发送消息
-export const send = (data: SendDTO) => post<null>(`/ai-chat/send/${data.sessionId}`, data);
+export function send(data: SendDTO) {
+  const url = data.sessionId !== 'not_login'
+    ? `/ai-chat/send/?sessionId=${data.sessionId}`
+    : '/ai-chat/send';
+  return post(url, data);
+}
 
 // 新增对应会话聊天记录
 export function addChat(data: ChatMessageVo) {
diff --git a/Yi.Ai.Vue3/src/pages/chat/layouts/chatWithId/index.vue b/Yi.Ai.Vue3/src/pages/chat/layouts/chatWithId/index.vue
index 0a3adddc..b9db5ba5 100644
--- a/Yi.Ai.Vue3/src/pages/chat/layouts/chatWithId/index.vue
+++ b/Yi.Ai.Vue3/src/pages/chat/layouts/chatWithId/index.vue
@@ -188,7 +188,7 @@ async function startSSE(chatContent: string) {
           ? `${item.content.substring(0, 2000)}...（内容过长，已省略）`
           : item.content,
       })),
-      sessionId: route.params?.id !== 'not_login' ? String(route.params?.id) : undefined,
+      sessionId: route.params?.id !== 'not_login' ? String(route.params?.id) : 'not_login',
       stream: true,
       userId: userStore.userInfo?.userId,
       model: modelStore.currentModelInfo.modelId ?? '',