Merge branch 'test'

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

@@ -385,7 +385,7 @@
         vg.total_price_,
         cg.expect_student_num_,
         cg.student_num_,
-        su.username_ teacher_name_,
+        su.real_name_ teacher_name_,
         su.avatar_,
         t.introduction_,
         vga.type_,