diff --git a/xhpc-modules/xhpc-activity/src/main/resources/mapper/XhpcWorkTypeDictMapper.xml b/xhpc-modules/xhpc-activity/src/main/resources/mapper/XhpcWorkTypeDictMapper.xml
index 587474b6..6f9cfad3 100644
--- a/xhpc-modules/xhpc-activity/src/main/resources/mapper/XhpcWorkTypeDictMapper.xml
+++ b/xhpc-modules/xhpc-activity/src/main/resources/mapper/XhpcWorkTypeDictMapper.xml
@@ -76,9 +76,9 @@
     from xhpc_work_type_dict
     where del_flag=0 and name = #{name}
     <choose>
-      <if test="parentId == null">
+      <when test="parentId == null">
         and parent_type_id is null
-      </if>
+      </when>
       <otherwise>
          and parent_type_id=#{parentId}
       </otherwise>