diff --git a/backend/services/test-plan/src/main/java/io/metersphere/plan/mapper/ExtTestPlanFunctionalCaseMapper.xml b/backend/services/test-plan/src/main/java/io/metersphere/plan/mapper/ExtTestPlanFunctionalCaseMapper.xml
index c6c61756d5..2d03309a08 100644
--- a/backend/services/test-plan/src/main/java/io/metersphere/plan/mapper/ExtTestPlanFunctionalCaseMapper.xml
+++ b/backend/services/test-plan/src/main/java/io/metersphere/plan/mapper/ExtTestPlanFunctionalCaseMapper.xml
@@ -1,6 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="io.metersphere.plan.mapper.ExtTestPlanFunctionalCaseMapper">
+    <resultMap id="BaseResultMapDTO" type="io.metersphere.plan.dto.response.TestPlanCasePageResponse">
+        <result column="tags" jdbcType="VARCHAR" property="tags" typeHandler="io.metersphere.handler.ListTypeHandler" />
+    </resultMap>
+
     <update id="updatePos">
         UPDATE
             test_plan_functional_case
@@ -89,7 +93,7 @@
         LIMIT 1
     </select>
 
-    <select id="getCasePage" resultType="io.metersphere.plan.dto.response.TestPlanCasePageResponse">
+    <select id="getCasePage" resultMap="BaseResultMapDTO">
         select
         functional_case.id as caseId,
         functional_case.num,