update

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

@@ -165,7 +165,7 @@
 
     <select id="initMusicGroupStudentFee" resultMap="MusicGroupStudentFee">
         SELECT sr.music_group_id_,sr.user_id_,sr.actual_subject_id_ subject_id_ FROM student_registration sr
-        LEFT JOIN music_group_student_fee_ mgsf ON sr.user_id_ = mgsf.user_id_
+        LEFT JOIN music_group_student_fee_ mgsf ON sr.user_id_ = mgsf.user_id_ AND sr.music_group_id_ = mgsf.music_group_id_
         WHERE sr.music_group_status_ != 'QUIT' AND sr.payment_status_ = 2 AND mgsf.id_ IS NULL AND sr.music_group_id_ = #{musicGroupId}
     </select>