diff --git a/backend-golang/file.go b/backend-golang/file.go
index 68f1f1d..7edb128 100644
--- a/backend-golang/file.go
+++ b/backend-golang/file.go
@@ -39,12 +39,9 @@ func (a *App) ReadJson(fileName string) (any, error) {
 	return data, nil
 }
 
-func (a *App) FileExists(fileName string) (bool, error) {
+func (a *App) FileExists(fileName string) bool {
 	_, err := os.Stat(fileName)
-	if err == nil {
-		return true, nil
-	}
-	return false, err
+	return err == nil
 }
 
 type FileInfo struct {
diff --git a/frontend/src/_locales/zh-hans/main.json b/frontend/src/_locales/zh-hans/main.json
index b708df6..94188cc 100644
--- a/frontend/src/_locales/zh-hans/main.json
+++ b/frontend/src/_locales/zh-hans/main.json
@@ -59,5 +59,6 @@
   "Failed to switch model": "切换模型失败",
   "Start Converting": "开始转换",
   "Convert Success": "转换成功",
-  "Convert Failed": "转换失败"
+  "Convert Failed": "转换失败",
+  "Model Not Found": "模型不存在"
 }
\ No newline at end of file
diff --git a/frontend/src/pages/Configs.tsx b/frontend/src/pages/Configs.tsx
index 8c2afdc..d5ff948 100644
--- a/frontend/src/pages/Configs.tsx
+++ b/frontend/src/pages/Configs.tsx
@@ -13,7 +13,7 @@ import {Page} from '../components/Page';
 import {useNavigate} from 'react-router';
 import {RunButton} from '../components/RunButton';
 import {updateConfig} from '../apis';
-import {ConvertModel} from '../../wailsjs/go/backend_golang/App';
+import {ConvertModel, FileExists} from '../../wailsjs/go/backend_golang/App';
 import manifest from '../../../manifest.json';
 import {getStrategy, refreshLocalModels} from '../utils';
 import {useTranslation} from 'react-i18next';
@@ -178,17 +178,21 @@ export const Configs: FC = observer(() => {
                     }}/>
                   </div>
                 }/>
-                <ToolTipButton text={t('Convert')} desc={t('Convert model with these configs')} onClick={() => {
+                <ToolTipButton text={t('Convert')} desc={t('Convert model with these configs')} onClick={async () => {
                   const modelPath = `${manifest.localModelDir}/${selectedConfig.modelParameters.modelName}`;
-                  const strategy = getStrategy(selectedConfig);
-                  const newModelPath = modelPath + '-' + strategy.replace(/[> *+]/g, '-');
-                  toast(t('Start Converting'), {autoClose: 1000, type: 'info'});
-                  ConvertModel(modelPath, strategy, newModelPath).then(() => {
-                    toast(`${t('Convert Success')} - ${newModelPath}`, {type: 'success'});
-                    refreshLocalModels({models: commonStore.modelSourceList});
-                  }).catch(e => {
-                    toast(`${t('Convert Failed')} - ${e}`, {type: 'error'});
-                  });
+                  if (await FileExists(modelPath)) {
+                    const strategy = getStrategy(selectedConfig);
+                    const newModelPath = modelPath + '-' + strategy.replace(/[> *+]/g, '-');
+                    toast(t('Start Converting'), {autoClose: 1000, type: 'info'});
+                    ConvertModel(modelPath, strategy, newModelPath).then(() => {
+                      toast(`${t('Convert Success')} - ${newModelPath}`, {type: 'success'});
+                      refreshLocalModels({models: commonStore.modelSourceList});
+                    }).catch(e => {
+                      toast(`${t('Convert Failed')} - ${e}`, {type: 'error'});
+                    });
+                  } else {
+                    toast(`${t('Model Not Found')} - ${modelPath}`, {type: 'error'});
+                  }
                 }}/>
                 <Labeled label={t('Device')} content={
                   <Dropdown style={{minWidth: 0}} className="grow" value={selectedConfig.modelParameters.device}
diff --git a/frontend/src/startup.ts b/frontend/src/startup.ts
index 9614cf4..5565670 100644
--- a/frontend/src/startup.ts
+++ b/frontend/src/startup.ts
@@ -1,8 +1,9 @@
 import commonStore, {defaultModelConfigs} from './stores/commonStore';
 import {ReadJson} from '../wailsjs/go/backend_golang/App';
-import {LocalConfig, refreshModels} from './utils';
+import {downloadProgramFiles, LocalConfig, refreshModels} from './utils';
 
 export async function startup() {
+  downloadProgramFiles();
   initCache();
   await initConfig();
 }
diff --git a/frontend/src/utils/index.ts b/frontend/src/utils/index.ts
index 696dc42..74f713c 100644
--- a/frontend/src/utils/index.ts
+++ b/frontend/src/utils/index.ts
@@ -1,4 +1,4 @@
-import {ListDirFiles, ReadJson, SaveJson} from '../../wailsjs/go/backend_golang/App';
+import {DownloadFile, FileExists, ListDirFiles, ReadJson, SaveJson} from '../../wailsjs/go/backend_golang/App';
 import manifest from '../../../manifest.json';
 import commonStore, {ModelConfig, ModelParameters, ModelSourceItem} from '../stores/commonStore';
 
@@ -160,4 +160,19 @@ export function getUserLanguage(): Language {
 
 export function isSystemLightMode() {
   return window.matchMedia && window.matchMedia('(prefers-color-scheme: light)').matches;
+}
+
+export function downloadProgramFiles() {
+  manifest.programFiles.forEach(({url, path}) => {
+    FileExists(path).then(exists => {
+      if (!exists)
+        DownloadFile(path, url);
+    });
+  });
+}
+
+export function forceDownloadProgramFiles() {
+  manifest.programFiles.forEach(({url, path}) => {
+    DownloadFile(path, url);
+  });
 }
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 316ba15..3cf8115 100644
--- a/manifest.json
+++ b/manifest.json
@@ -3,7 +3,7 @@
   "localModelDir": "models",
   "programFiles": [
     {
-      "url": "https://cdn.jsdelivr.net/gh/josstorer/RWKV-Runner/cmd-helper.bat",
+      "url": "https://raw.githubusercontent.com/josStorer/RWKV-Runner/master/cmd-helper.bat",
       "path": "cmd-helper.bat"
     },
     {