diff --git a/ruoyi-bussiness/src/main/resources/mapper/app/AiChatHistoryMapper.xml b/ruoyi-bussiness/src/main/resources/mapper/app/AiChatHistoryMapper.xml
index f432fbc..05bd387 100644
--- a/ruoyi-bussiness/src/main/resources/mapper/app/AiChatHistoryMapper.xml
+++ b/ruoyi-bussiness/src/main/resources/mapper/app/AiChatHistoryMapper.xml
@@ -5,7 +5,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 <mapper namespace="com.ruoyi.cms.mapper.AiChatHistoryMapper">
 
     <select id="getList" parameterType="com.ruoyi.cms.domain.ai.AiChatHistory" resultType="com.ruoyi.cms.domain.ai.AiChatHistory">
-        select * from ai_chat_history where del_flag=0
+        select * from ai_chat_history where del_flag='0'
         <if test="userId != null and userId != ''">
             and user_id = #{userId}
         </if>