diff --git a/lib/pages/bangumi/controller.dart b/lib/pages/bangumi/controller.dart
index d4c4eea78..d941cc7f3 100644
--- a/lib/pages/bangumi/controller.dart
+++ b/lib/pages/bangumi/controller.dart
@@ -19,7 +19,7 @@ class BangumiController extends CommonController {
   void onInit() {
     super.onInit();
     mid = Accounts.main.mid;
-    isLogin.value = mid != null;
+    isLogin.value = mid != 0;
 
     queryData();
     queryBangumiFollow();
diff --git a/lib/pages/fav/video/controller.dart b/lib/pages/fav/video/controller.dart
index a2ff3d470..3b340ccdc 100644
--- a/lib/pages/fav/video/controller.dart
+++ b/lib/pages/fav/video/controller.dart
@@ -16,7 +16,7 @@ class FavController extends CommonController {
 
   @override
   Future queryData([bool isRefresh = true]) {
-    if (mid == null) {
+    if (mid == 0) {
       loadingState.value = LoadingState.error('账号未登录');
       return Future.value();
     }
diff --git a/lib/pages/media/controller.dart b/lib/pages/media/controller.dart
index 98ce8b895..b48110e27 100644
--- a/lib/pages/media/controller.dart
+++ b/lib/pages/media/controller.dart
@@ -46,7 +46,7 @@ class MediaController extends CommonController {
   void onInit() {
     super.onInit();
     mid = Accounts.main.mid;
-    if (mid != null) {
+    if (mid != 0) {
       queryData();
     }
   }
diff --git a/lib/pages/member/new/controller.dart b/lib/pages/member/new/controller.dart
index 27c2c1dc0..d4ec924fc 100644
--- a/lib/pages/member/new/controller.dart
+++ b/lib/pages/member/new/controller.dart
@@ -144,7 +144,7 @@ class MemberControllerNew extends CommonController
       );
 
   Future blockUser(BuildContext context) async {
-    if (ownerMid == null) {
+    if (ownerMid == 0) {
       SmartDialog.showToast('账号未登录');
       return;
     }
diff --git a/lib/pages/subscription/controller.dart b/lib/pages/subscription/controller.dart
index 469fb2b1f..2bdbde933 100644
--- a/lib/pages/subscription/controller.dart
+++ b/lib/pages/subscription/controller.dart
@@ -20,7 +20,7 @@ class SubController extends CommonController {
 
   @override
   Future queryData([bool isRefresh = true]) {
-    if (mid == null) {
+    if (mid == 0) {
       loadingState.value = LoadingState.error('账号未登录');
       return Future.value();
     }