修改小课推送

src/main/java/com/ym/mec/collectfee/controller/YqPayController.java

@@ -201,12 +201,15 @@ public class YqPayController extends BaseController {
 
     public Object renewalsPay(@ModelAttribute @Validated Renewals renewals) throws Exception {
         MecUser mecUser = applyInfoService.findMecUser(renewals.getUserId());
+        if (mecUser == null) {
+            return failed("续费用户不存在");
+        }
         renewals.setBranchId(mecUser.getBranchId());
 
         //课程组价格
         List<MecCourse> courses = applyInfoService.queryUserCourse(renewals.getUserId());//获取续费课程
-        if(courses == null){
-            return failed("您没有要学费的课程");
+        if (courses == null) {
+            return failed("您没有续费的课程");
         }
         MecCourse mecCourse4json = JSON.parseObject(renewals.getCourses(), MecCourse.class);
         if (mecCourse4json == null) {