diff --git a/policeSecurityServer/src/main/java/com/changhu/support/fastjson2/FastJson2Config.java b/policeSecurityServer/src/main/java/com/changhu/support/fastjson2/FastJson2Config.java
index c6f6ed8..13fc834 100644
--- a/policeSecurityServer/src/main/java/com/changhu/support/fastjson2/FastJson2Config.java
+++ b/policeSecurityServer/src/main/java/com/changhu/support/fastjson2/FastJson2Config.java
@@ -88,8 +88,6 @@ public class FastJson2Config {
                 JSONWriter.Feature.WriteNullListAsEmpty,
                 //将String类型字段的空值序列化输出为空字符串””
                 JSONWriter.Feature.WriteNullStringAsEmpty,
-                //将Boolean类型字段的空值序列化输出为false
-                JSONWriter.Feature.WriteNullBooleanAsFalse,
                 //在大范围超过JavaScript支持的整数，输出为字符串格式
                 JSONWriter.Feature.BrowserCompatible,
                 //保留map空的字段
diff --git a/policeSecurityServer/src/main/resources/mapper/AdministrativeDivisionMapper.xml b/policeSecurityServer/src/main/resources/mapper/AdministrativeDivisionMapper.xml
index 256a042..20ca9d1 100644
--- a/policeSecurityServer/src/main/resources/mapper/AdministrativeDivisionMapper.xml
+++ b/policeSecurityServer/src/main/resources/mapper/AdministrativeDivisionMapper.xml
@@ -12,13 +12,7 @@
         <if test="level!=null">and level &lt;= #{level}</if>
         order by code
     </select>
-    <resultMap id="administrativeDivisionByParentCodeVoResultMap" type="com.changhu.common.pojo.vo.TreeNodeVo">
-        <result
-                column="extData"
-                typeHandler="com.baomidou.mybatisplus.extension.handlers.Fastjson2TypeHandler"
-                property="extData"/>
-    </resultMap>
-    <select id="administrativeDivisionByParentCode" resultMap="administrativeDivisionByParentCodeVoResultMap">
+    <select id="administrativeDivisionByParentCode" resultType="com.changhu.common.pojo.vo.TreeNodeVo">
         select ad1.code                                                 as 'value',
                ad1.name                                                 as 'label',
                ad1.parent_code                                          as 'parentValue',