fixbug

 package com.yohoufo.promotion.service.impl;
 
+import com.google.common.collect.Maps;
 import com.yohobuy.ufo.model.promotion.CouponSimpleBo;
 import com.yohobuy.ufo.model.promotion.constant.CouponTypeEnum;
 import com.yohobuy.ufo.model.promotion.constant.CouponUseLimitTypeEnum;
@@ -18,6 +19,7 @@ import com.yohoufo.promotion.service.ProductLimitValueFilter;
 import com.yohoufo.promotion.service.cache.CollectiveCouponCacheService;
 import org.apache.commons.collections.CollectionUtils;
 import org.apache.commons.collections.MapUtils;
+import org.apache.commons.lang3.ObjectUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -106,16 +108,19 @@ public class CollectiveCouponService {
         return couponListBo;
     }
 
-    Map<Integer, UserCoupon> buildCouponIdUserCouponMap(Integer uid, Set<Integer> couponIds){
+    Map<Integer, UserCoupon> buildCouponIdUserCouponMap(Integer uid, Set<Integer> couponIds) {
+        if (ObjectUtils.defaultIfNull(uid, 0) == 0 || CollectionUtils.isEmpty(couponIds)) {
+            return Maps.newHashMap();
+        }
         final Map<Integer, UserCoupon> couponIdUserCouponMap = new HashMap<>(couponIds.size());
         List<UserCoupon> userCoupons = userCouponMapper.selectUserCouponListByCouponIds(uid, couponIds);
         Set<Integer> couponIdOfUser = null;
-        if (CollectionUtils.isNotEmpty(userCoupons)){
-            userCoupons.forEach(uc-> couponIdUserCouponMap.put(uc.getCouponId(), uc));
+        if (CollectionUtils.isNotEmpty(userCoupons)) {
+            userCoupons.forEach(uc -> couponIdUserCouponMap.put(uc.getCouponId(), uc));
             couponIdOfUser = couponIdUserCouponMap.keySet();
         }
         logger.info("buildCouponIdUserCouponMap selectUserCouponListByCouponIds find couponIdOfUser {} uid {} couponIds {}",
-                couponIdOfUser, uid,couponIds);
+                couponIdOfUser, uid, couponIds);
         return couponIdUserCouponMap;
     }