fix 非空

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

@@ -167,7 +167,7 @@ public class CouponFontServiceImpl implements CouponFontService {
 				if (!data.getIsAvailable()) {
 					data.setReason(String.format("仅限%s", data.getGoodsSkuStr()));
 				}
-				if (isRenew) {
+				if (isRenew != null && isRenew) {
 					data.setReason(String.format("续费时,不可使用"));
 				}
 				this.setCouponUserStatus(data, now);