fix

netflix-service/src/main/java/com/cyksj/service/coupon/impl/CouponFontServiceImpl.java

@@ -375,6 +375,7 @@ public class CouponFontServiceImpl implements CouponFontService {
 		try {
 			receiveCouponUser(couponId, userId, CouponUser.Channel.manual);
 		} catch (Exception e) {
+			return null;
 		}
 		return couponUserMapper.getCouponDetailById(userId, couponId);
 	}