fix bug

core-api/src/main/java/cn/com/qmth/examcloud/service/core/service/CourseService.java

@@ -155,7 +155,8 @@ public class CourseService {
 			Course course = courseRepo.findOne(courseId);
 			course.setEnable(enable);
 			course.setUpdateTime(new Date());
-			courseRepo.save(course);
+			Course reCourse = courseRepo.saveAndFlush(course);
+			dataSendService.sendCourse(reCourse);
 		}
 	}