diff --git a/modules/items/modelitems.go b/modules/items/modelitems.go
index 40e2750b0..604ed5c91 100644
--- a/modules/items/modelitems.go
+++ b/modules/items/modelitems.go
@@ -236,7 +236,7 @@ func (this *ModelItemsComp) AddItemToUserPackByGrid(uId string, gridid string, i
 	if num < 0 {
 		err = ItemNotEnoughError
 	} else {
-		if num > int64(conf.UpperLimit) {
+		if conf.UpperLimit > 0 && num > int64(conf.UpperLimit) {
 			err = GirdAmountUpper
 			return
 		} else {
@@ -261,6 +261,10 @@ func (this *ModelItemsComp) addItemToUserPack(uid string, items []*pb.DB_UserIte
 	if conf, err = this.module.configure.GetItemConfigure(itemId); err != nil {
 		return
 	}
+	if conf.UpperLimit == 0 {
+		err = fmt.Errorf("item UpperLimit is 0")
+		return
+	}
 	isNew = true
 	leftnum = int64(addnum)
 	add = make([]*pb.DB_UserItemData, 0)
@@ -281,17 +285,23 @@ func (this *ModelItemsComp) addItemToUserPack(uid string, items []*pb.DB_UserIte
 				update = append(update, v)
 				break
 			} else if num > 0 && num > int64(v.Amount) {
-				if num <= int64(conf.UpperLimit) {
+				if conf.UpperLimit > 0 {
+					if num <= int64(conf.UpperLimit) {
+						leftnum = 0
+						v.Amount = uint32(num)
+						update = append(update, v)
+						break
+					} else {
+						if v.Amount < uint32(conf.UpperLimit) {
+							leftnum = int64(num - int64(conf.UpperLimit))
+							v.Amount = uint32(conf.UpperLimit)
+							update = append(update, v)
+						}
+					}
+				} else {
 					leftnum = 0
 					v.Amount = uint32(num)
 					update = append(update, v)
-					break
-				} else {
-					if v.Amount < uint32(conf.UpperLimit) {
-						leftnum = int64(num - int64(conf.UpperLimit))
-						v.Amount = uint32(conf.UpperLimit)
-						update = append(update, v)
-					}
 				}
 			} else if num == 0 {
 				leftnum = 0
@@ -306,7 +316,7 @@ func (this *ModelItemsComp) addItemToUserPack(uid string, items []*pb.DB_UserIte
 	if leftnum > 0 { //还没有放完 寻找空的格子填充
 		index := int32(len(items))
 		for leftnum > 0 { //需要补充格子
-			if leftnum <= int64(conf.UpperLimit) {
+			if conf.UpperLimit < 0 || (conf.UpperLimit > 0 && leftnum <= int64(conf.UpperLimit)) {
 				grid := &pb.DB_UserItemData{
 					GridId:    primitive.NewObjectID().Hex(),
 					UId:       uid,