diff --git a/DataEditorX/Core/Card.cs b/DataEditorX/Core/Card.cs
index 1e56572..4eedc3b 100644
--- a/DataEditorX/Core/Card.cs
+++ b/DataEditorX/Core/Card.cs
@@ -14,6 +14,7 @@ public sealed class Card : IEquatable<Card>
     {
         public const int STR_SIZE = 16;
         public const int SETCODE_SIZE = 4;
+        public static Card Empty => new(0);
 
         #region 构造
         /// <summary>
@@ -28,8 +29,8 @@ public Card(long cardCode)
             alias = 0;
             setcode = 0;
             type = 0;
-            atk = 0;
-            def = 0;
+            atk = -1;
+            def = -1;
             level = 0;
             race = 0;
             attribute = 0;
diff --git a/DataEditorX/Core/Database.cs b/DataEditorX/Core/Database.cs
index 68d8c58..aa1d4ab 100644
--- a/DataEditorX/Core/Database.cs
+++ b/DataEditorX/Core/Database.cs
@@ -207,13 +207,15 @@ public static void InitParameters(SQLiteCommand cmd)
 
         public static void AddParameters(SQLiteCommand cmd, Card c)
         {
+            long atk = (c.atk == -1) ? 0 : c.atk;
+            long def = (c.def == -1) ? 0 : c.def;
             cmd.Parameters["@id"].Value = c.id;
             cmd.Parameters["@ot"].Value = c.ot;
             cmd.Parameters["@alias"].Value = c.alias;
             cmd.Parameters["@setcode"].Value = c.setcode;
             cmd.Parameters["@type"].Value = c.type;
-            cmd.Parameters["@atk"].Value = c.atk;
-            cmd.Parameters["@def"].Value = c.def;
+            cmd.Parameters["@atk"].Value = atk;
+            cmd.Parameters["@def"].Value = def;
             cmd.Parameters["@level"].Value = c.level;
             cmd.Parameters["@race"].Value = c.race;
             cmd.Parameters["@attribute"].Value = c.attribute;
@@ -515,7 +517,8 @@ public static string GetSelectCondition(Card c, SQLiteParameterCollection parame
                     sb.Append(@" AND datas.type = @type");
                     parameters.Add("@type", System.Data.DbType.Int64).Value = CardType.TYPE_TRAP;
                 }
-                else {
+                else
+                {
                     sb.Append(@" AND datas.type & @type = @type");
                     parameters.Add("@type", System.Data.DbType.Int64).Value = c.type;
                 }
@@ -527,13 +530,9 @@ public static string GetSelectCondition(Card c, SQLiteParameterCollection parame
                 parameters.Add("@category", System.Data.DbType.Int64).Value = c.category;
             }
 
-            if (c.atk == -1)
-            {
-                sb.Append(@" AND datas.type & @monster AND datas.atk = 0");
-            }
-            else if (c.atk < 0 || c.atk > 0)
+            if (c.atk != -1)
             {
-                sb.Append(@" AND datas.atk = @atk");
+                sb.Append(@" AND datas.type & @monster AND datas.atk = @atk");
                 parameters.Add("@atk", System.Data.DbType.Int64).Value = c.atk;
             }
 
@@ -544,13 +543,9 @@ public static string GetSelectCondition(Card c, SQLiteParameterCollection parame
             }
             else
             {
-                if (c.def == -1)
-                {
-                    sb.Append(@" AND datas.type & @monster AND datas.def = 0");
-                }
-                else if (c.def < 0 || c.def > 0)
+                if (c.def != -1)
                 {
-                    sb.Append(@" AND datas.def = @def");
+                    sb.Append(@" AND datas.type & @monster AND datas.def = @def");
                     parameters.Add("@def", System.Data.DbType.Int64).Value = c.def;
                 }
             }
diff --git a/DataEditorX/DataEditForm.Designer.cs b/DataEditorX/DataEditForm.Designer.cs
index 680a066..6238557 100644
--- a/DataEditorX/DataEditForm.Designer.cs
+++ b/DataEditorX/DataEditForm.Designer.cs
@@ -296,7 +296,7 @@ private void InitializeComponent()
             // 
             // cb_cardattribute
             // 
-            this.cb_cardattribute.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.cb_cardattribute.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.cb_cardattribute.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.cb_cardattribute.Font = new System.Drawing.Font("Microsoft JhengHei UI", 9F);
@@ -308,7 +308,7 @@ private void InitializeComponent()
             // 
             // tb_cardname
             // 
-            this.tb_cardname.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.tb_cardname.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.tb_cardname.Font = new System.Drawing.Font("Microsoft JhengHei", 11F);
             this.tb_cardname.Location = new System.Drawing.Point(5, 1);
@@ -320,7 +320,7 @@ private void InitializeComponent()
             // 
             // cb_cardrule
             // 
-            this.cb_cardrule.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.cb_cardrule.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.cb_cardrule.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.cb_cardrule.Font = new System.Drawing.Font("Microsoft JhengHei UI", 9F);
@@ -332,7 +332,7 @@ private void InitializeComponent()
             // 
             // cb_cardlevel
             // 
-            this.cb_cardlevel.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.cb_cardlevel.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.cb_cardlevel.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.cb_cardlevel.Font = new System.Drawing.Font("Microsoft JhengHei UI", 9F);
@@ -344,7 +344,7 @@ private void InitializeComponent()
             // 
             // cb_cardrace
             // 
-            this.cb_cardrace.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.cb_cardrace.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.cb_cardrace.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
             this.cb_cardrace.DropDownWidth = 107;
@@ -357,7 +357,7 @@ private void InitializeComponent()
             // 
             // cb_setname2
             // 
-            this.cb_setname2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.cb_setname2.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.cb_setname2.DropDownHeight = 320;
             this.cb_setname2.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
@@ -373,7 +373,7 @@ private void InitializeComponent()
             // 
             // cb_setname1
             // 
-            this.cb_setname1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.cb_setname1.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.cb_setname1.DropDownHeight = 320;
             this.cb_setname1.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
@@ -389,7 +389,7 @@ private void InitializeComponent()
             // 
             // cb_setname4
             // 
-            this.cb_setname4.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.cb_setname4.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.cb_setname4.DropDownHeight = 320;
             this.cb_setname4.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
@@ -405,7 +405,7 @@ private void InitializeComponent()
             // 
             // cb_setname3
             // 
-            this.cb_setname3.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left) 
+            this.cb_setname3.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.cb_setname3.DropDownHeight = 320;
             this.cb_setname3.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList;
@@ -423,8 +423,8 @@ private void InitializeComponent()
             // 
             this.tb_cardtext.AcceptsReturn = true;
             this.tb_cardtext.AcceptsTab = true;
-            this.tb_cardtext.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
-            | System.Windows.Forms.AnchorStyles.Left) 
+            this.tb_cardtext.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
+            | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.tb_cardtext.Font = new System.Drawing.Font("Microsoft JhengHei", 11F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));
             this.tb_cardtext.Location = new System.Drawing.Point(4, 349);
@@ -572,7 +572,6 @@ private void InitializeComponent()
             this.tb_atk.Name = "tb_atk";
             this.tb_atk.Size = new System.Drawing.Size(40, 21);
             this.tb_atk.TabIndex = 117;
-            this.tb_atk.Text = "0";
             this.tb_atk.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
             // 
             // tb_def
@@ -582,7 +581,6 @@ private void InitializeComponent()
             this.tb_def.Name = "tb_def";
             this.tb_def.Size = new System.Drawing.Size(40, 21);
             this.tb_def.TabIndex = 118;
-            this.tb_def.Text = "0";
             this.tb_def.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
             // 
             // tb_cardcode
@@ -593,7 +591,6 @@ private void InitializeComponent()
             this.tb_cardcode.Name = "tb_cardcode";
             this.tb_cardcode.Size = new System.Drawing.Size(67, 21);
             this.tb_cardcode.TabIndex = 120;
-            this.tb_cardcode.Text = "0";
             this.tb_cardcode.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
             this.tb_cardcode.KeyDown += new System.Windows.Forms.KeyEventHandler(this.tb_cardcode_KeyDown);
             // 
@@ -615,7 +612,6 @@ private void InitializeComponent()
             this.tb_cardalias.Name = "tb_cardalias";
             this.tb_cardalias.Size = new System.Drawing.Size(67, 21);
             this.tb_cardalias.TabIndex = 119;
-            this.tb_cardalias.Text = "0";
             this.tb_cardalias.TextAlign = System.Windows.Forms.HorizontalAlignment.Right;
             // 
             // btn_mod
@@ -883,8 +879,8 @@ private void InitializeComponent()
             // 
             // splitContainer
             // 
-            this.splitContainer.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
-            | System.Windows.Forms.AnchorStyles.Left) 
+            this.splitContainer.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
+            | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.splitContainer.Location = new System.Drawing.Point(3, 3);
             this.splitContainer.Name = "splitContainer";
@@ -938,8 +934,8 @@ private void InitializeComponent()
             // 
             // lv_cardlist
             // 
-            this.lv_cardlist.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
-            | System.Windows.Forms.AnchorStyles.Left) 
+            this.lv_cardlist.Anchor = ((System.Windows.Forms.AnchorStyles)((((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
+            | System.Windows.Forms.AnchorStyles.Left)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.lv_cardlist.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
             this.lv_cardlist.Columns.AddRange(new System.Windows.Forms.ColumnHeader[] {
@@ -1007,7 +1003,7 @@ private void InitializeComponent()
             // 
             // lb_scripttext
             // 
-            this.lb_scripttext.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom) 
+            this.lb_scripttext.Anchor = ((System.Windows.Forms.AnchorStyles)(((System.Windows.Forms.AnchorStyles.Top | System.Windows.Forms.AnchorStyles.Bottom)
             | System.Windows.Forms.AnchorStyles.Right)));
             this.lb_scripttext.BorderStyle = System.Windows.Forms.BorderStyle.None;
             this.lb_scripttext.Font = new System.Drawing.Font("Microsoft JhengHei UI", 9F);
diff --git a/DataEditorX/DataEditForm.cs b/DataEditorX/DataEditForm.cs
index 7fc54c7..ec6d650 100644
--- a/DataEditorX/DataEditForm.cs
+++ b/DataEditorX/DataEditForm.cs
@@ -54,10 +54,9 @@ public string DefaultScriptName
         //目录
         readonly YgoPath ygopath = new(Application.StartupPath);
         /// <summary>当前卡片</summary>
-        Card oldCard = new(0);
+        Card oldCard = Card.Empty;
         /// <summary>搜索条件</summary>
-        Card srcCard = new(0);
-        //卡片编辑
+        Card srcCard = Card.Empty;
         readonly CardEdit cardedit;
         readonly BindingList<string> strs = new(Enumerable.Repeat("", Card.STR_SIZE).ToList());
         /// <summary>
@@ -128,7 +127,7 @@ void DataEditForm_Load(object sender, EventArgs e)
         {
             HideMenu();//是否需要隐藏菜单
             SetTitle();//设置标题
-            LoadCard(oldCard);
+            LoadCard(Card.Empty);
             menuitem_operacardsfile.Checked = MyConfig.ReadBoolean(MyConfig.TAG_SYNC_WITH_CARD);
             menuitem_autocheckupdate.Checked = MyConfig.ReadBoolean(MyConfig.TAG_AUTO_CHECK_UPDATE);
             GetLanguageItem();
@@ -463,7 +462,7 @@ void AddListView(int p)
                     };
                     if (mcard.id == oldCard.id)
                     {
-                        items[j].Checked = true;
+                        items[j].Selected = true;
                     }
 
                     if (i % 2 == 0)
@@ -510,10 +509,13 @@ public void LoadCard(Card c)
             tb_cardname.Text = c.name;
             tb_cardtext.Text = c.NormalizedDesc;
 
+            strs.RaiseListChangedEvents = false;
             for (int i = 0; i < strs.Count; i++)
             {
                 strs[i] = c.Str[i];
             }
+            strs.RaiseListChangedEvents = true;
+            strs.ResetBindings();
             lb_scripttext.ClearSelected();
             //data
             SetSelect(cb_cardrule, c.ot);
@@ -542,7 +544,7 @@ public void LoadCard(Card c)
             tb_pleft.Text = c.GetLeftScale().ToString();
             tb_pright.Text = c.GetRightScale().ToString();
             //atk，def
-            tb_atk.Text = c.atk.ToString();
+            tb_atk.Text = (c.atk == -1) ? "" : c.atk.ToString();
             if (c.IsType(Core.Info.CardType.TYPE_LINK))
             {
                 tb_def.Text = "0";
@@ -550,12 +552,12 @@ public void LoadCard(Card c)
             }
             else
             {
-                tb_def.Text = c.def.ToString();
+                tb_def.Text = (c.def == -1) ? "" : c.def.ToString();
                 tb_def.Enabled = true;
             }
 
-            tb_cardcode.Text = c.id.ToString();
-            tb_cardalias.Text = c.alias.ToString();
+            tb_cardcode.Text = (c.id == 0) ? "" : c.id.ToString();
+            tb_cardalias.Text = (c.alias == 0) ? "" : c.alias.ToString();
             SetImage(c.id.ToString());
         }
         #endregion
@@ -581,18 +583,18 @@ public Card GetCard()
             c.category = GetCheck(pl_category);
 
             long level = GetSelect(cb_cardlevel) & 0xffffL;
-            uint.TryParse(tb_pleft.Text, out uint temp);
-            level |= (temp & 0xffU) << 24;
-            uint.TryParse(tb_pright.Text, out temp);
-            level |= (temp & 0xffU) << 16;
+            uint.TryParse(tb_pleft.Text, out uint left);
+            level |= (left & 0xffU) << 24;
+            uint.TryParse(tb_pright.Text, out uint right);
+            level |= (right & 0xffU) << 16;
             c.level = level;
-            if (tb_atk.Text == "?" || tb_atk.Text == "？")
+            if (String.IsNullOrWhiteSpace(tb_atk.Text))
             {
-                c.atk = -2;
+                c.atk = -1;
             }
-            else if (tb_atk.Text == ".")
+            else if (tb_atk.Text == "?" || tb_atk.Text == "？")
             {
-                c.atk = -1;
+                c.atk = -2;
             }
             else
             {
@@ -605,13 +607,13 @@ public Card GetCard()
             }
             else
             {
-                if (tb_def.Text == "?" || tb_def.Text == "？")
+                if (String.IsNullOrWhiteSpace(tb_def.Text))
                 {
-                    c.def = -2;
+                    c.def = -1;
                 }
-                else if (tb_def.Text == ".")
+                else if (tb_def.Text == "?" || tb_def.Text == "？")
                 {
-                    c.def = -1;
+                    c.def = -2;
                 }
                 else
                 {
@@ -792,8 +794,7 @@ void Search(Card c, bool preservePage)
         //更新临时卡片
         public void Reset()
         {
-            oldCard = new Card(0);
-            LoadCard(oldCard);
+            LoadCard(Card.Empty);
         }
         #endregion
 
diff --git a/DataEditorX/readme.txt b/DataEditorX/readme.txt
index d706b98..fcb0b52 100644
--- a/DataEditorX/readme.txt
+++ b/DataEditorX/readme.txt
@@ -35,8 +35,8 @@ data/cardinfo_xxx.txt
 
 ★卡片搜索
 1.仅支持一个系列名搜索
+
 2.ATK,DEF搜索：
-0: 输入-1或.
 ?: 输入-2或?
 
 3.卡片名称搜索：
diff --git a/DataEditorX/readme_english.txt b/DataEditorX/readme_english.txt
index 03d20be..a5d653c 100644
--- a/DataEditorX/readme_english.txt
+++ b/DataEditorX/readme_english.txt
@@ -58,17 +58,15 @@ Copy and Replace: If there's a card with same name, replace it.
 Copy without Replace: If there's a card with same name, ignore it.
 
 ★Card search
-1. Now it can not support search by Pendulum Scale 
-2. You can search card with card name/effect/Attribute/Types/Level（racnk）/effect type/card number
-3. Search by ATK,DEF：
-	If there is a "0", input"-1"or"."
-	If there is a "?", input"-2"or"?"
-4. Search by card name：
+1. You can search a card with id, name, effect, Attribute, Type, Level (Rank)
+2. Search by ATK,DEF：
+	?: -2 or ?
+3. Search by card name：
 	AOJ%%		start with AOJ
 	Shooting%%Dragon		start with “Shooting” and end with “Dragon”
 	%%Warrior		end with “Warrior”
 
-5.Search by card id
+4.Search by card id
 id or alias = 10000000
 id: 10000000, alias: 0