diff --git a/src/main.js b/src/main.js
index c3ca48e..af20cf7 100644
--- a/src/main.js
+++ b/src/main.js
@@ -13,7 +13,7 @@ async function setupApp() {
 
   await setupRouter(app)
 
-  app.mount('#app', true)
+  app.mount('#app')
 }
 
 setupApp()
diff --git a/src/router/guard/pageLoadingGuard.js b/src/router/guard/pageLoadingGuard.js
index 80c0447..bd0f038 100644
--- a/src/router/guard/pageLoadingGuard.js
+++ b/src/router/guard/pageLoadingGuard.js
@@ -1,15 +1,15 @@
 export function createPageLoadingGuard(router) {
   router.beforeEach(() => {
-    $loadingBar.start()
+    window.$loadingBar?.start()
   })
 
   router.afterEach(() => {
     setTimeout(() => {
-      $loadingBar.finish()
+      window.$loadingBar?.finish()
     }, 200)
   })
 
   router.onError(() => {
-    $loadingBar.error()
+    window.$loadingBar?.error()
   })
 }