fix：1、vip课加学员，学员列表允许0课程余额学员

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

@@ -565,6 +565,7 @@
         <if test="search!=null and search!=''">
             AND (su.username_ LIKE CONCAT('%',#{search},'%') OR su.phone_ LIKE CONCAT('%',#{search},'%'))
         </if>
+        ORDER BY suca.course_balance_ DESC
         <include refid="global.limit"/>
     </select>
     <select id="countHaveCourseBalanceStudentNum" resultType="int">