diff --git a/frontend/src/_locales/zh-hans/main.json b/frontend/src/_locales/zh-hans/main.json
index 18ba264..f7bc167 100644
--- a/frontend/src/_locales/zh-hans/main.json
+++ b/frontend/src/_locales/zh-hans/main.json
@@ -88,5 +88,7 @@
   "Downloads": "下载",
   "Pause": "暂停",
   "Continue": "继续",
-  "Check": "查看"
+  "Check": "查看",
+  "Model file not found": "模型文件不存在",
+  "Can not find download url": "找不到下载地址"
 }
\ No newline at end of file
diff --git a/frontend/src/components/RunButton.tsx b/frontend/src/components/RunButton.tsx
index 63bfdef..7005503 100644
--- a/frontend/src/components/RunButton.tsx
+++ b/frontend/src/components/RunButton.tsx
@@ -1,16 +1,16 @@
 import React, {FC, MouseEventHandler, ReactElement} from 'react';
 import commonStore, {ModelStatus} from '../stores/commonStore';
-import {StartServer} from '../../wailsjs/go/backend_golang/App';
+import {AddToDownloadList, FileExists, StartServer} from '../../wailsjs/go/backend_golang/App';
 import {Button} from '@fluentui/react-components';
 import {observer} from 'mobx-react-lite';
 import {exit, readRoot, switchModel, updateConfig} from '../apis';
 import {toast} from 'react-toastify';
 import manifest from '../../../manifest.json';
-import {getStrategy} from '../utils';
+import {getStrategy, toastWithButton} from '../utils';
 import {useTranslation} from 'react-i18next';
-import {t} from 'i18next';
 import {ToolTipButton} from './ToolTipButton';
 import {Play16Regular, Stop16Regular} from '@fluentui/react-icons';
+import {useNavigate} from 'react-router';
 
 const mainButtonText = {
   [ModelStatus.Offline]: 'Run',
@@ -26,69 +26,90 @@ const iconModeButtonIcon: { [modelStatus: number]: ReactElement } = {
   [ModelStatus.Working]: <Stop16Regular/>
 };
 
-const onClickMainButton = async () => {
-  const modelConfig = commonStore.getCurrentModelConfig();
-  const port = modelConfig.apiParameters.apiPort;
-
-  if (commonStore.modelStatus === ModelStatus.Offline) {
-    commonStore.setModelStatus(ModelStatus.Starting);
-    await exit(1000).catch(() => {
-    });
-    StartServer(port);
-
-    let timeoutCount = 6;
-    let loading = false;
-    const intervalId = setInterval(() => {
-      readRoot()
-        .then(r => {
-          if (r.ok && !loading) {
-            clearInterval(intervalId);
-            commonStore.setModelStatus(ModelStatus.Loading);
-            loading = true;
-            toast(t('Loading Model'), {type: 'info'});
-            updateConfig({
-              max_tokens: modelConfig.apiParameters.maxResponseToken,
-              temperature: modelConfig.apiParameters.temperature,
-              top_p: modelConfig.apiParameters.topP,
-              presence_penalty: modelConfig.apiParameters.presencePenalty,
-              frequency_penalty: modelConfig.apiParameters.frequencyPenalty
-            });
-            switchModel({
-              model: `${manifest.localModelDir}/${modelConfig.modelParameters.modelName}`,
-              strategy: getStrategy(modelConfig)
-            }).then((r) => {
-              if (r.ok) {
-                commonStore.setModelStatus(ModelStatus.Working);
-                toast(t('Startup Completed'), {type: 'success'});
-              } else if (r.status === 304) {
-                toast(t('Loading Model'), {type: 'info'});
-              } else {
-                commonStore.setModelStatus(ModelStatus.Offline);
-                toast(t('Failed to switch model'), {type: 'error'});
-              }
-            });
-          }
-        }).catch(() => {
-        if (timeoutCount <= 0) {
-          clearInterval(intervalId);
-          commonStore.setModelStatus(ModelStatus.Offline);
-        }
-      });
-
-      timeoutCount--;
-    }, 1000);
-  } else {
-    commonStore.setModelStatus(ModelStatus.Offline);
-    exit();
-  }
-};
-
 export const RunButton: FC<{ onClickRun?: MouseEventHandler, iconMode?: boolean }>
   = observer(({
                 onClickRun,
                 iconMode
               }) => {
   const {t} = useTranslation();
+  const navigate = useNavigate();
+
+  const onClickMainButton = async () => {
+    const modelConfig = commonStore.getCurrentModelConfig();
+    const modelName = modelConfig.modelParameters.modelName;
+    const modelPath = `./${manifest.localModelDir}/${modelName}`;
+
+    if (!await FileExists(modelPath)) {
+      toastWithButton(t('Model file not found'), t('Download'), () => {
+        const downloadUrl = commonStore.modelSourceList.find(item => item.name === modelName)?.downloadUrl;
+        if (downloadUrl) {
+          toastWithButton(`${t('Downloading')} ${modelName}`, t('Check'), () => {
+              navigate({pathname: '/downloads'});
+            },
+            {autoClose: 3000});
+          AddToDownloadList(modelPath, downloadUrl);
+        } else {
+          toast(t('Can not find download url'), {type: 'error'});
+        }
+      });
+
+      return;
+    }
+
+    const port = modelConfig.apiParameters.apiPort;
+
+    if (commonStore.modelStatus === ModelStatus.Offline) {
+      commonStore.setModelStatus(ModelStatus.Starting);
+      await exit(1000).catch(() => {
+      });
+      StartServer(port);
+
+      let timeoutCount = 6;
+      let loading = false;
+      const intervalId = setInterval(() => {
+        readRoot()
+          .then(r => {
+            if (r.ok && !loading) {
+              clearInterval(intervalId);
+              commonStore.setModelStatus(ModelStatus.Loading);
+              loading = true;
+              toast(t('Loading Model'), {type: 'info'});
+              updateConfig({
+                max_tokens: modelConfig.apiParameters.maxResponseToken,
+                temperature: modelConfig.apiParameters.temperature,
+                top_p: modelConfig.apiParameters.topP,
+                presence_penalty: modelConfig.apiParameters.presencePenalty,
+                frequency_penalty: modelConfig.apiParameters.frequencyPenalty
+              });
+              switchModel({
+                model: `${manifest.localModelDir}/${modelConfig.modelParameters.modelName}`,
+                strategy: getStrategy(modelConfig)
+              }).then((r) => {
+                if (r.ok) {
+                  commonStore.setModelStatus(ModelStatus.Working);
+                  toast(t('Startup Completed'), {type: 'success'});
+                } else if (r.status === 304) {
+                  toast(t('Loading Model'), {type: 'info'});
+                } else {
+                  commonStore.setModelStatus(ModelStatus.Offline);
+                  toast(t('Failed to switch model'), {type: 'error'});
+                }
+              });
+            }
+          }).catch(() => {
+          if (timeoutCount <= 0) {
+            clearInterval(intervalId);
+            commonStore.setModelStatus(ModelStatus.Offline);
+          }
+        });
+
+        timeoutCount--;
+      }, 1000);
+    } else {
+      commonStore.setModelStatus(ModelStatus.Offline);
+      exit();
+    }
+  };
 
   const onClick = async (e: any) => {
     if (commonStore.modelStatus === ModelStatus.Offline)
diff --git a/frontend/src/pages/Models.tsx b/frontend/src/pages/Models.tsx
index 6510838..044d096 100644
--- a/frontend/src/pages/Models.tsx
+++ b/frontend/src/pages/Models.tsx
@@ -138,7 +138,7 @@ const columns: TableColumnDefinition<ModelSourceItem>[] = [
                 toastWithButton(`${t('Downloading')} ${item.name}`, t('Check'), () => {
                     navigate({pathname: '/downloads'});
                   },
-                  {autoClose: 3000, position: 'top-center'});
+                  {autoClose: 3000});
                 AddToDownloadList(`./${manifest.localModelDir}/${item.name}`, item.downloadUrl!);
               }}/>}
             {item.url && <ToolTipButton desc={t('Open Url')} icon={<Open20Regular/>} onClick={() => {
diff --git a/frontend/src/utils/index.tsx b/frontend/src/utils/index.tsx
index fe550cf..1be8660 100644
--- a/frontend/src/utils/index.tsx
+++ b/frontend/src/utils/index.tsx
@@ -225,6 +225,9 @@ export async function checkUpdate() {
                     });
                   });
                 }, 500);
+              }, {
+                autoClose: false,
+                position: 'bottom-left'
               });
             }
           } else {
@@ -248,8 +251,6 @@ export function toastWithButton(text: string, buttonText: string, onClickButton:
       <Button appearance="primary" onClick={onClickButton}>{buttonText}</Button>
     </div>,
     {
-      autoClose: false,
-      position: 'bottom-left',
       type: 'info',
       ...options
     });