diff --git a/modules/items/api_useItem.go b/modules/items/api_useItem.go
index 4c63edbaa..5ae37100c 100644
--- a/modules/items/api_useItem.go
+++ b/modules/items/api_useItem.go
@@ -91,7 +91,7 @@ func (this *apiComp) Useitem(session comm.IUserSession, req *pb.ItemsUseItemReq)
 			return
 		}
 		sale := make([]*cfg.Gameatn, 0)
-		for range sale {
+		for i := uint32(0); i < req.Amount; i++ {
 			sale = append(sale, RandomProps(prop).Prize...)
 		}
 		if code = this.module.AddItemforGrid(session, req.GridId, -1*int32(req.Amount), true); code != pb.ErrorCode_Success {