Merge branch 'cloud_teacher_active_2021_09'

mec-web/src/main/java/com/ym/mec/web/controller/SysCouponController.java

@@ -60,7 +60,7 @@ public class SysCouponController extends BaseController {
 				}
 				break;
 			case TIME_BUCKET:
-				if(Objects.isNull(sysCoupon.getDeadline())){
+				if(Objects.isNull(sysCoupon.getEffectiveStartTime())||Objects.isNull(sysCoupon.getEffectiveExpireTime())){
 					return failed("请指定有效时间段");
 				}
 				break;