缴费修改

mec-student/src/main/java/com/ym/mec/student/controller/MusicGroupController.java

@@ -190,7 +190,7 @@ public class MusicGroupController extends BaseController {
                         }
                     }
                 }
-                if(!flag){
+                if(flag){
                     return failed(HttpStatus.PROCESSING, "您已缴费,请等待乐团开启");
                 }
             }