Merge branch 'saas_zouxuan_2022_05_31' of http://git.dayaedu.com/yonge/mec into master_saas

mec-biz/src/main/resources/config/mybatis/ImGroupMapper.xml

@@ -60,7 +60,7 @@
 	<!-- 根据主键查询一条记录 -->
 	<update id="update" parameterType="com.ym.mec.biz.dal.entity.ImGroup">
 		UPDATE im_group <set>
-		<if test="group_type_ != null">
+		<if test="groupType != null">
 			group_type_ = #{groupType},
 		</if>
 		<if test="memberNum != null">