diff --git a/src/App.js b/src/App.js
index ca18a5e..7b13e1f 100644
--- a/src/App.js
+++ b/src/App.js
@@ -43,7 +43,7 @@ class App extends Component {
     window.BACKEND =
       localStorage['BACKEND'] || process.env.REACT_APP_BACKEND || '/';
 
-    check_service_work_update(false);
+    check_service_work_update(true);
     if (process.env.NODE_ENV === 'production') {
       setTimeout(() => {
         fetch('https://api.github.com/users/hole-thu')
diff --git a/src/Common.js b/src/Common.js
index 6e32352..eb0940c 100644
--- a/src/Common.js
+++ b/src/Common.js
@@ -508,7 +508,10 @@ export class ClickHandler extends PureComponent {
   }
 }
 
-export function check_service_work_update(update_now = false) {
+export function check_service_work_update(
+  update_now = false,
+  manually = false,
+) {
   if ('serviceWorker' in navigator) {
     navigator.serviceWorker.ready.then((serviceWorker) => {
       const waitingServiceWorker = serviceWorker.waiting;
@@ -524,7 +527,7 @@ export function check_service_work_update(update_now = false) {
         });
         waitingServiceWorker.postMessage({ type: 'SKIP_WAITING' });
       } else {
-        if (update_now) alert('没有已下载的更新');
+        if (manually) alert('没有已下载的更新');
       }
     });
   }
diff --git a/src/UserAction.js b/src/UserAction.js
index d0869dc..ead24cf 100644
--- a/src/UserAction.js
+++ b/src/UserAction.js
@@ -60,7 +60,7 @@ export function InfoSidebar(props) {
           <a
             href="###"
             onClick={() => {
-              check_service_work_update(true);
+              check_service_work_update(true, true);
             }}
           >
             立即更新