diff --git a/modify.cs b/modify.cs
new file mode 100644
index 0000000..c026313
--- /dev/null
+++ b/modify.cs
@@ -0,0 +1,150 @@
+# 方艺：实现管理员的图书修改功能
+partial class MainForm_admin
+    {
+        /// <summary>
+        /// Required designer variable.
+        /// </summary>
+        private System.ComponentModel.IContainer components = null;
+
+        /// <summary>
+        /// Clean up any resources being used.
+        /// </summary>
+        /// <param name="disposing">true if managed resources should be disposed; otherwise, false.</param>
+        protected override void Dispose(bool disposing)
+        {
+            if (disposing && (components != null))
+            {
+                components.Dispose();
+            }
+            base.Dispose(disposing);
+        }
+
+        #region Windows Form Designer generated code
+
+        /// <summary>
+        /// Required method for Designer support - do not modify
+        /// the contents of this method with the code editor.
+        /// </summary>
+        private void InitializeComponent()
+        {
+            this.tabPage2 = new System.Windows.Forms.TabPage();
+            this.button3shuliangxiugai = new System.Windows.Forms.Button();
+            this.label7 = new System.Windows.Forms.Label();
+            this.textBox4shuliang = new System.Windows.Forms.TextBox();
+            this.label6 = new System.Windows.Forms.Label();
+            this.label9 = new System.Windows.Forms.Label();
+            this.label10 = new System.Windows.Forms.Label();
+            this.textBox5shuhao = new System.Windows.Forms.TextBox();
+            this.textBox6shuming = new System.Windows.Forms.TextBox();
+            this.button2shumingxiugai = new System.Windows.Forms.Button();
+            this.tabPage2.SuspendLayout();
+            this.SuspendLayout();
+
+            this.tabPage2.Controls.Add(this.button3shuliangxiugai);
+            this.tabPage2.Controls.Add(this.label7);
+            this.tabPage2.Controls.Add(this.textBox4shuliang);
+            this.tabPage2.Controls.Add(this.label6);
+            this.tabPage2.Controls.Add(this.label9);
+            this.tabPage2.Controls.Add(this.label10);
+            this.tabPage2.Controls.Add(this.textBox5shuhao);
+            this.tabPage2.Controls.Add(this.textBox6shuming);
+            this.tabPage2.Controls.Add(this.button2shumingxiugai);
+            this.tabPage2.Location = new System.Drawing.Point(4, 25);
+            this.tabPage2.Margin = new System.Windows.Forms.Padding(4);
+            this.tabPage2.Name = "tabPage2";
+            this.tabPage2.Padding = new System.Windows.Forms.Padding(4);
+            this.tabPage2.Size = new System.Drawing.Size(705, 346);
+            this.tabPage2.TabIndex = 1;
+            this.tabPage2.Text = "图书修改";
+            this.tabPage2.UseVisualStyleBackColor = true;
+            // 
+            // button3tushuxiugai
+            // 
+            this.button3shuliangxiugai.Location = new System.Drawing.Point(386, 268);
+            this.button3shuliangxiugai.Margin = new System.Windows.Forms.Padding(4);
+            this.button3shuliangxiugai.Name = "button3shuliangxiugai";
+            this.button3shuliangxiugai.Size = new System.Drawing.Size(100, 29);
+            this.button3shuliangxiugai.TabIndex = 15;
+            this.button3shuliangxiugai.Text = "修改数量";
+            this.button3shuliangxiugai.UseVisualStyleBackColor = true;
+            this.button3shuliangxiugai.Click += new System.EventHandler(this.button3shuliangxiugai_Click);
+            // 
+            // label7
+            // 
+            this.label7.AutoSize = true;
+            this.label7.Location = new System.Drawing.Point(4, 24);
+            this.label7.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
+            this.label7.Name = "label7";
+            this.label7.Size = new System.Drawing.Size(202, 15);
+            this.label7.TabIndex = 14;
+            this.label7.Text = "请输入书号，选择修改项目：";
+            // 
+            // textBox4shuliang
+            // 
+            this.textBox4shuliang.Location = new System.Drawing.Point(289, 191);
+            this.textBox4shuliang.Margin = new System.Windows.Forms.Padding(4);
+            this.textBox4shuliang.Name = "textBox4shuliang";
+            this.textBox4shuliang.Size = new System.Drawing.Size(173, 25);
+            this.textBox4shuliang.TabIndex = 13;
+            this.textBox4shuliang.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
+            // 
+            // label6
+            // 
+            this.label6.AutoSize = true;
+            this.label6.Location = new System.Drawing.Point(226, 191);
+            this.label6.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
+            this.label6.Name = "label6";
+            this.label6.Size = new System.Drawing.Size(45, 15);
+            this.label6.TabIndex = 12;
+            this.label6.Text = "数量:";
+            // 
+            // label9
+            // 
+            this.label9.AutoSize = true;
+            this.label9.Location = new System.Drawing.Point(226, 136);
+            this.label9.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
+            this.label9.Name = "label9";
+            this.label9.Size = new System.Drawing.Size(52, 15);
+            this.label9.TabIndex = 11;
+            this.label9.Text = "书名：";
+            // 
+            // label10
+            // 
+            this.label10.AutoSize = true;
+            this.label10.Location = new System.Drawing.Point(226, 84);
+            this.label10.Margin = new System.Windows.Forms.Padding(4, 0, 4, 0);
+            this.label10.Name = "label10";
+            this.label10.Size = new System.Drawing.Size(52, 15);
+            this.label10.TabIndex = 10;
+            this.label10.Text = "书号：";
+            // 
+            // textBox5shuhao
+            // 
+            this.textBox5shuhao.Location = new System.Drawing.Point(287, 84);
+            this.textBox5shuhao.Margin = new System.Windows.Forms.Padding(4);
+            this.textBox5shuhao.Name = "textBox5shuhao";
+            this.textBox5shuhao.Size = new System.Drawing.Size(175, 25);
+            this.textBox5shuhao.TabIndex = 8;
+            this.textBox5shuhao.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
+            // 
+            // textBox6shuming
+            // 
+            this.textBox6shuming.Location = new System.Drawing.Point(289, 136);
+            this.textBox6shuming.Margin = new System.Windows.Forms.Padding(4);
+            this.textBox6shuming.Name = "textBox6shuming";
+            this.textBox6shuming.Size = new System.Drawing.Size(175, 25);
+            this.textBox6shuming.TabIndex = 9;
+            this.textBox6shuming.TextAlign = System.Windows.Forms.HorizontalAlignment.Center;
+            // 
+            // button2shumingxiugai
+            // 
+            this.button2shumingxiugai.Location = new System.Drawing.Point(229, 268);
+            this.button2shumingxiugai.Margin = new System.Windows.Forms.Padding(4);
+            this.button2shumingxiugai.Name = "button2shumingxiugai";
+            this.button2shumingxiugai.Size = new System.Drawing.Size(100, 29);
+            this.button2shumingxiugai.TabIndex = 7;
+            this.button2shumingxiugai.Text = "修改书名";
+            this.button2shumingxiugai.UseVisualStyleBackColor = true;
+            this.button2shumingxiugai.Click += new System.EventHandler(this.button2shumingxiugai_Click);
+
+        }
\ No newline at end of file