diff --git a/src/modules/rag-chat/rag-chat.controller.ts b/src/modules/rag-chat/rag-chat.controller.ts
index 6a2f1ee..0c07e43 100644
--- a/src/modules/rag-chat/rag-chat.controller.ts
+++ b/src/modules/rag-chat/rag-chat.controller.ts
@@ -1,4 +1,4 @@
-import { Controller, Get, Post, Delete, Body, Param, Res } from '@nestjs/common';
+import { Controller, Get, Post, Delete, Body, Param, Res, Query } from '@nestjs/common';
 import { ApiTags, ApiOperation, ApiBearerAuth } from '@nestjs/swagger';
 import type { Response } from 'express';
 import { RagChatService } from './rag-chat.service';
@@ -19,7 +19,7 @@ export class RagChatController {
 
   @Get('sessions')
   @ApiOperation({ summary: '对话列表' })
-  async listSessions(@CurrentUser() user: UserPayload, @Body('knowledgeBaseId') kbId?: string) {
+  async listSessions(@CurrentUser() user: UserPayload, @Query('knowledgeBaseId') kbId?: string) {
     return this.svc.listSessions(String(user.id), kbId);
   }