1修复bug

Mall.Model/Entity/Product/RB_Goods.cs

@@ -640,8 +640,13 @@ namespace Mall.Model.Entity.Product
         }
 
         /// <summary>
-        /// 创建人
+        /// 默认值
         /// </summary>
-        public int CreateBy { get; set; }
+        private int create_by = -1;
+
+        /// <summary>
+        /// 创建人1
+        /// </summary>
+        public int CreateBy { get => create_by; set => create_by= value; }
     }
 }