diff --git a/mcwl-system/src/main/resources/mapper/system/PolicyMapper.xml b/mcwl-system/src/main/resources/mapper/system/PolicyMapper.xml
index 918a759..22dae8b 100644
--- a/mcwl-system/src/main/resources/mapper/system/PolicyMapper.xml
+++ b/mcwl-system/src/main/resources/mapper/system/PolicyMapper.xml
@@ -6,8 +6,8 @@
 
     <!-- 根据类型查找策略 -->
     <select id="findByType" parameterType="String" resultType="com.mcwl.system.domain.Policy">
-        SELECT id, title, content, type, created_at, updated_at
-        FROM policies
+        SELECT id, title, content, type
+        FROM mcwl_policies
         WHERE type = #{type}
     </select>
 </mapper>