diff --git a/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.kt b/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.kt
index 99ffb251e..c07deb56b 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/MainActivity.kt
@@ -211,6 +211,8 @@ class MainActivity : EhActivity() {
     }
 
     override fun onCreate(savedInstanceState: Bundle?) {
+        if (EhUtils.needSignedIn())
+            startActivity(Intent(this, LoginActivity::class.java))
         super.onCreate(savedInstanceState)
         binding = ActivityMainBinding.inflate(layoutInflater)
         setContentView(binding.root)
@@ -227,9 +229,6 @@ class MainActivity : EhActivity() {
                 }
             }
         }
-        if (EhUtils.needSignedIn()) {
-            navController.navigate(R.id.signInScene)
-        }
         binding.drawView.addDrawerListener(mDrawerOnBackPressedCallback)
         binding.navView.setupWithNavController(navController)
         if (savedInstanceState == null) {
diff --git a/app/src/main/res/navigation/nav_graph.xml b/app/src/main/res/navigation/nav_graph.xml
index b05a5d3c7..579223eb2 100644
--- a/app/src/main/res/navigation/nav_graph.xml
+++ b/app/src/main/res/navigation/nav_graph.xml
@@ -11,38 +11,38 @@
     <fragment
         android:id="@+id/nav_homepage"
         android:name="com.hippo.ehviewer.ui.scene.GalleryListScene"
-        android:label="GalleryListScene" >
+        android:label="GalleryListScene">
         <argument
             android:name="action"
-            app:argType="string"
-            android:defaultValue="action_homepage" />
+            android:defaultValue="action_homepage"
+            app:argType="string" />
     </fragment>
     <fragment
         android:id="@+id/nav_subscription"
         android:name="com.hippo.ehviewer.ui.scene.GalleryListScene"
-        android:label="GalleryListScene" >
+        android:label="GalleryListScene">
         <argument
             android:name="action"
-            app:argType="string"
-            android:defaultValue="action_subscription" />
+            android:defaultValue="action_subscription"
+            app:argType="string" />
     </fragment>
     <fragment
         android:id="@+id/nav_whats_hot"
         android:name="com.hippo.ehviewer.ui.scene.GalleryListScene"
-        android:label="GalleryListScene" >
+        android:label="GalleryListScene">
         <argument
             android:name="action"
-            app:argType="string"
-            android:defaultValue="action_whats_hot" />
+            android:defaultValue="action_whats_hot"
+            app:argType="string" />
     </fragment>
     <fragment
         android:id="@+id/nav_toplist"
         android:name="com.hippo.ehviewer.ui.scene.GalleryListScene"
-        android:label="GalleryListScene" >
+        android:label="GalleryListScene">
         <argument
             android:name="action"
-            app:argType="string"
-            android:defaultValue="action_top_list" />
+            android:defaultValue="action_top_list"
+            app:argType="string" />
     </fragment>
     <fragment
         android:id="@+id/galleryDetailScene"
@@ -92,8 +92,4 @@
         android:id="@+id/cookieSignInScene"
         android:name="com.hippo.ehviewer.ui.scene.CookieSignInScene"
         android:label="CookieSignInScene" />
-    <activity
-        android:id="@+id/loginActivity"
-        android:name="com.hippo.ehviewer.ui.LoginActivity"
-        android:label="LoginActivity" />
 </navigation>
\ No newline at end of file