diff --git a/modules/items/api_sellItem.go b/modules/items/api_sellItem.go
index 46ba46d16..4f2afcd8b 100644
--- a/modules/items/api_sellItem.go
+++ b/modules/items/api_sellItem.go
@@ -10,7 +10,7 @@ import (
 
 //参数校验
 func (this *apiComp) SellItemCheck(session comm.IUserSession, req *pb.ItemsSellItemReq) (code pb.ErrorCode) {
-	if req.GridId != "" || req.Amount <= 0 {
+	if req.GridId == "" || req.Amount <= 0 {
 		code = pb.ErrorCode_ReqParameterError
 	}
 	return
@@ -41,8 +41,9 @@ func (this *apiComp) SellItem(session comm.IUserSession, req *pb.ItemsSellItemRe
 		return
 	}
 	sale = make([]*cfg.Game_atn, len(itemcf.Sale))
-	for _, v := range sale {
-		v.N = v.N * int32(req.Amount)
+	for i, v := range itemcf.Sale {
+		sale[i] = v
+		sale[i].N = v.N * int32(req.Amount)
 	}
 	if code = this.module.DispenseRes(session, sale, true); code != pb.ErrorCode_Success {
 		return
diff --git a/modules/items/api_useItem.go b/modules/items/api_useItem.go
index a676d00a4..de2c96c94 100644
--- a/modules/items/api_useItem.go
+++ b/modules/items/api_useItem.go
@@ -10,7 +10,7 @@ import (
 
 //参数校验
 func (this *apiComp) UseitemCheck(session comm.IUserSession, req *pb.ItemsUseItemReq) (code pb.ErrorCode) {
-	if req.GridId != "" || req.Amount <= 0 {
+	if req.GridId == "" || req.Amount <= 0 {
 		code = pb.ErrorCode_ReqParameterError
 	}
 	return
@@ -37,8 +37,9 @@ func (this *apiComp) Useitem(session comm.IUserSession, req *pb.ItemsUseItemReq)
 	switch itemcf.Usetype {
 	case 4:
 		sale := make([]*cfg.Game_atn, len(itemcf.Sale))
-		for _, v := range sale {
-			v.N = v.N * int32(req.Amount)
+		for i, v := range itemcf.Sale {
+			sale[i] = v
+			sale[i].N = v.N * int32(req.Amount)
 		}
 		if code = this.module.DispenseRes(session, sale, true); code != pb.ErrorCode_Success {
 			return