修改BUG

exam-work-api/src/main/java/cn/com/qmth/examcloud/service/examwork/service/ExamService.java

@@ -90,10 +90,11 @@ public class ExamService {
      * @return
      */
     public Exam saveExam(Exam exam){
-    	if(exam.getId() != null){
-    		dataSendService.sendExam(exam);
+    	Exam newExam = examRepo.save(exam);
+    	if(newExam.getId() != null){
+    		dataSendService.sendExam(newExam);
     	}
-        return examRepo.save(exam);
+        return newExam;
     }
 
     @Transactional