diff --git a/backend-golang/file.go b/backend-golang/file.go
index 7edb128..ed14736 100644
--- a/backend-golang/file.go
+++ b/backend-golang/file.go
@@ -94,6 +94,14 @@ func (a *App) DownloadFile(path string, url string) error {
 	return nil
 }
 
+func (a *App) DeleteFile(path string) error {
+	err := os.Remove(path)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
 func (a *App) OpenFileFolder(path string) error {
 	absPath, err := filepath.Abs(path)
 	if err != nil {
diff --git a/frontend/src/_locales/zh-hans/main.json b/frontend/src/_locales/zh-hans/main.json
index 6fc41b5..9dda156 100644
--- a/frontend/src/_locales/zh-hans/main.json
+++ b/frontend/src/_locales/zh-hans/main.json
@@ -74,5 +74,6 @@
   "This tool’s API is compatible with OpenAI API. It can be used with any ChatGPT tool you like. Go to the settings of some ChatGPT tool, replace the 'https://api.openai.com' part in the API address with '": "本工具的API与OpenAI API兼容. 因此可以配合任意你喜欢的ChatGPT工具使用. 打开某个ChatGPT工具的设置, 将API地址中的'https://api.openai.com'部分替换为'",
   "New Version Available": "新版本可用",
   "Update": "更新",
-  "Please click the button in the top right corner to start the model": "请点击右上角的按钮启动模型"
+  "Please click the button in the top right corner to start the model": "请点击右上角的按钮启动模型",
+  "Update Error, Please restart this program": "更新出错, 请重启本程序"
 }
\ No newline at end of file
diff --git a/frontend/src/utils/index.tsx b/frontend/src/utils/index.tsx
index f12edce..93ab70c 100644
--- a/frontend/src/utils/index.tsx
+++ b/frontend/src/utils/index.tsx
@@ -1,4 +1,5 @@
 import {
+  DeleteFile,
   DownloadFile,
   FileExists,
   ListDirFiles,
@@ -188,6 +189,13 @@ export function forceDownloadProgramFiles() {
   });
 }
 
+export function deletePythonProgramFiles() {
+  manifest.programFiles.forEach(({path}) => {
+    if (path.endsWith('.py'))
+      DeleteFile(path);
+  });
+}
+
 export async function checkUpdate() {
   let updateUrl = '';
   await fetch('https://api.github.com/repos/josstorer/RWKV-Runner/releases/latest').then((r) => {
@@ -198,7 +206,16 @@ export async function checkUpdate() {
             if (versionTag.replace('v', '') > manifest.version) {
               updateUrl = `https://github.com/josStorer/RWKV-Runner/releases/download/${versionTag}/RWKV-Runner_windows_x64.exe`;
               toastWithButton(t('New Version Available') + ': ' + versionTag, t('Update'), () => {
-                UpdateApp(updateUrl);
+                deletePythonProgramFiles();
+                setTimeout(() => {
+                  UpdateApp(updateUrl).catch((e) => {
+                    toast(t('Update Error, Please restart this program') + ' - ' + e.message, {
+                      type: 'error',
+                      position: 'bottom-left',
+                      autoClose: false
+                    });
+                  });
+                }, 500);
               });
             }
           } else {
diff --git a/frontend/wailsjs/go/backend_golang/App.d.ts b/frontend/wailsjs/go/backend_golang/App.d.ts
index c322908..e293a67 100644
--- a/frontend/wailsjs/go/backend_golang/App.d.ts
+++ b/frontend/wailsjs/go/backend_golang/App.d.ts
@@ -4,6 +4,8 @@ import {backend_golang} from '../models';
 
 export function ConvertModel(arg1:string,arg2:string,arg3:string):Promise<string>;
 
+export function DeleteFile(arg1:string):Promise<void>;
+
 export function DownloadFile(arg1:string,arg2:string):Promise<void>;
 
 export function FileExists(arg1:string):Promise<boolean>;
diff --git a/frontend/wailsjs/go/backend_golang/App.js b/frontend/wailsjs/go/backend_golang/App.js
index 4c45d61..403667f 100644
--- a/frontend/wailsjs/go/backend_golang/App.js
+++ b/frontend/wailsjs/go/backend_golang/App.js
@@ -6,6 +6,10 @@ export function ConvertModel(arg1, arg2, arg3) {
   return window['go']['backend_golang']['App']['ConvertModel'](arg1, arg2, arg3);
 }
 
+export function DeleteFile(arg1) {
+  return window['go']['backend_golang']['App']['DeleteFile'](arg1);
+}
+
 export function DownloadFile(arg1, arg2) {
   return window['go']['backend_golang']['App']['DownloadFile'](arg1, arg2);
 }