diff --git a/Entity/Item/Item.cs b/Entity/Item/Item.cs
index 2629157..a2dc687 100644
--- a/Entity/Item/Item.cs
+++ b/Entity/Item/Item.cs
@@ -175,6 +175,11 @@ namespace Milimoe.FunGame.Core.Entity
         /// </summary>
         public bool IsRemoveAfterUse { get; set; } = true;
 
+        /// <summary>
+        /// 堆叠数量
+        /// </summary>
+        public int StackCount { get; set; } = 1;
+
         /// <summary>
         /// 物品所属的角色（只有装备物品，才需要设置）
         /// </summary>