diff --git a/AppSearch.cs b/AppSearch.cs
new file mode 100644
index 0000000..ac88f75
--- /dev/null
+++ b/AppSearch.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Windows.Forms;
+
+namespace AppStore
+{
+    public static class AppSearch
+    {
+        /// <summary>
+        /// 搜索应用卡片
+        /// </summary>
+        /// <param name="flowPanel">包含应用卡片的FlowLayoutPanel</param>
+        /// <param name="searchText">搜索文本</param>
+        public static void SearchApps(FlowLayoutPanel flowPanel, string searchText)
+        {
+            if (flowPanel == null || string.IsNullOrWhiteSpace(searchText))
+            {
+                ShowAllApps(flowPanel);
+                return;
+            }
+
+            foreach (Control control in flowPanel.Controls)
+            {
+                if (control is AppCard appCard)
+                {
+                    bool isMatch = IsMatchSearch(appCard.AppName, searchText);
+                    control.Visible = isMatch;
+                }
+            }
+        }
+
+        /// <summary>
+        /// 显示所有应用卡片
+        /// </summary>
+        public static void ShowAllApps(FlowLayoutPanel? flowPanel)
+        {
+            if (flowPanel == null) return;
+
+            foreach (Control control in flowPanel.Controls)
+            {
+                control.Visible = true;
+            }
+        }
+
+        /// <summary>
+        /// 检查应用名称是否匹配搜索文本
+        /// </summary>
+        private static bool IsMatchSearch(string appName, string searchText)
+        {
+            if (string.IsNullOrEmpty(appName)) return false;
+
+            // 不区分大小写比较
+            return appName.Contains(searchText, StringComparison.OrdinalIgnoreCase);
+        }
+    }
+}
diff --git a/AppStore.csproj b/AppStore.csproj
index aa4d5db..fae7734 100644
--- a/AppStore.csproj
+++ b/AppStore.csproj
@@ -33,4 +33,8 @@
     </None>
   </ItemGroup>
 
+  <ItemGroup>
+    <PackageReference Include="ZXing.Net" Version="0.16.9" />
+  </ItemGroup>
+
 </Project>
diff --git a/renexe.bat b/renexe.bat
index 2201459..86e2431 100644
--- a/renexe.bat
+++ b/renexe.bat
@@ -1,2 +1,2 @@
-ren bin\Release\net8.0-windows\win-x86\publish\AppStore.exe kortapp.exe
-ren bin\Release\net8.0-windows\win-x64\publish\AppStore.exe kortapp.exe
\ No newline at end of file
+ren bin\Release\net8.0-windows\win-x86\publish\AppStore.exe kortapp-z.exe
+ren bin\Release\net8.0-windows\win-x64\publish\AppStore.exe kortapp-z.exe
\ No newline at end of file