diff --git a/app/src/main/java/org/lsposed/manager/ui/activity/base/BaseActivity.java b/app/src/main/java/org/lsposed/manager/ui/activity/base/BaseActivity.java
index 067a4d20..62eb8dfa 100644
--- a/app/src/main/java/org/lsposed/manager/ui/activity/base/BaseActivity.java
+++ b/app/src/main/java/org/lsposed/manager/ui/activity/base/BaseActivity.java
@@ -34,8 +34,10 @@ import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 import org.lsposed.manager.BuildConfig;
 import org.lsposed.manager.ConfigManager;
 import org.lsposed.manager.R;
+import org.lsposed.manager.ui.dialog.FlashDialogBuilder;
 import org.lsposed.manager.util.NavUtil;
 import org.lsposed.manager.util.ThemeUtil;
+import org.lsposed.manager.util.UpdateUtil;
 
 import rikka.core.util.ResourceUtils;
 import rikka.material.app.MaterialActivity;
@@ -51,14 +53,17 @@ public class BaseActivity extends MaterialActivity {
         // make sure the versions are consistent
         if (BuildConfig.DEBUG) return;
         if (!ConfigManager.isBinderAlive()) return;
-        var version = ConfigManager.getXposedVersionName();
-        if (BuildConfig.VERSION_NAME.equals(version)) return;
+        var version = ConfigManager.getXposedVersionCode();
+        if (BuildConfig.VERSION_CODE == version) return;
         new MaterialAlertDialogBuilder(this)
-                .setMessage(BuildConfig.VERSION_NAME.compareTo(version) > 0 ?
-                        R.string.outdated_core : R.string.outdated_manager)
+                .setMessage(getString(R.string.version_mismatch, version, BuildConfig.VERSION_CODE))
                 .setPositiveButton(android.R.string.ok, (dialog, id) -> {
-                    NavUtil.startURL(this, getString(R.string.about_source));
-                    finish();
+                    if (UpdateUtil.canInstall()) {
+                        new FlashDialogBuilder(this, (d, i) -> finish()).show();
+                    } else {
+                        NavUtil.startURL(this, getString(R.string.about_source));
+                        finish();
+                    }
                 })
                 .setCancelable(false)
                 .show();
diff --git a/app/src/main/java/org/lsposed/manager/ui/dialog/FlashDialogBuilder.java b/app/src/main/java/org/lsposed/manager/ui/dialog/FlashDialogBuilder.java
index 97928116..feca0848 100644
--- a/app/src/main/java/org/lsposed/manager/ui/dialog/FlashDialogBuilder.java
+++ b/app/src/main/java/org/lsposed/manager/ui/dialog/FlashDialogBuilder.java
@@ -3,6 +3,7 @@ package org.lsposed.manager.ui.dialog;
 import static org.lsposed.manager.App.TAG;
 
 import android.content.Context;
+import android.content.DialogInterface;
 import android.graphics.Typeface;
 import android.os.ParcelFileDescriptor;
 import android.text.method.LinkMovementMethod;
@@ -33,7 +34,7 @@ public class FlashDialogBuilder extends BlurBehindDialogBuilder {
     private final TextView textView;
     private final BorderNestedScrollView rootView;
 
-    public FlashDialogBuilder(@NonNull Context context) {
+    public FlashDialogBuilder(@NonNull Context context, DialogInterface.OnClickListener cancel) {
         super(context);
         var pref = App.getPreferences();
         var notes = pref.getString("release_notes", "");
@@ -51,7 +52,7 @@ public class FlashDialogBuilder extends BlurBehindDialogBuilder {
         rootView = binding.getRoot();
         setView(rootView);
 
-        setNegativeButton(android.R.string.cancel, null);
+        setNegativeButton(android.R.string.cancel, cancel);
         setPositiveButton(R.string.install, null);
         setCancelable(false);
     }
diff --git a/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java b/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java
index 83c67948..842f05fb 100644
--- a/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java
+++ b/app/src/main/java/org/lsposed/manager/ui/fragment/HomeFragment.java
@@ -87,7 +87,7 @@ public class HomeFragment extends BaseFragment implements RepoLoader.Listener {
                 }
             } else {
                 if (UpdateUtil.canInstall()) {
-                    new FlashDialogBuilder(activity).show();
+                    new FlashDialogBuilder(activity, null).show();
                     return;
                 }
                 NavUtil.startURL(activity, getString(R.string.about_source));
@@ -95,7 +95,7 @@ public class HomeFragment extends BaseFragment implements RepoLoader.Listener {
         });
         binding.status.setOnLongClickListener(v -> {
             if (UpdateUtil.canInstall()) {
-                new FlashDialogBuilder(activity).show();
+                new FlashDialogBuilder(activity, null).show();
                 return true;
             }
             return false;
diff --git a/app/src/main/java/org/lsposed/manager/util/UpdateUtil.java b/app/src/main/java/org/lsposed/manager/util/UpdateUtil.java
index 4b20c584..1240039e 100644
--- a/app/src/main/java/org/lsposed/manager/util/UpdateUtil.java
+++ b/app/src/main/java/org/lsposed/manager/util/UpdateUtil.java
@@ -73,7 +73,7 @@ public class UpdateUtil {
                 .apply();
         var updatedAt = Instant.parse(assets.get("updated_at").getAsString());
         var downloadUrl = assets.get("browser_download_url").getAsString();
-        var nowZipTime = pref.getLong("zip_time", BuildConfig.BUILD_TIME);
+        var nowZipTime = pref.getLong("zip_time", 0);
         if (updatedAt.isAfter(Instant.ofEpochSecond(nowZipTime))) {
             var zip = downloadNewZipSync(downloadUrl, name);
             var size = assets.get("size").getAsLong();
@@ -124,8 +124,6 @@ public class UpdateUtil {
         if (!ConfigManager.isBinderAlive()) return false;
         var pref = App.getPreferences();
         var zip = pref.getString("zip_file", null);
-        if (zip == null || !new File(zip).isFile()) return false;
-        var zipTime = pref.getLong("zip_time", BuildConfig.BUILD_TIME);
-        return zipTime > BuildConfig.BUILD_TIME;
+        return zip != null && new File(zip).isFile();
     }
 }
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index f1fda5d1..41ab21eb 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -195,8 +195,7 @@
     <string name="module_release_no_more">没有更旧的版本</string>
     <string name="repo_load_failed">模块仓库加载失败：%s</string>
     <!-- CrashReportActivity -->
-    <string name="outdated_core">LSPosed 应用的版本高于框架。请更新 LSPosed 框架。</string>
-    <string name="outdated_manager">LSPosed 框架的版本高于应用。请从 /data/adb/lspd/manager.apk 更新 LSPosed 应用。</string>
+    <string name="version_mismatch">LSPosed 框架的版本(%1$d)与管理器(%2$d)不同。请重装 LSPosed。</string>
     <string name="manager_crashed">应用出现未知错误</string>
     <string name="manager_crashed_info">反馈该问题到 </string>
     <string name="send_crash_info">发送崩溃信息</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 42040e09..7912c0b9 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -206,8 +206,7 @@
     <string name="repo_load_failed">Failed to load module repo: %s</string>
 
     <!-- CrashReportActivity -->
-    <string name="outdated_core">LSPosed app is newer than framework. Please update LSPosed framework.</string>
-    <string name="outdated_manager">LSPosed framework is newer than app. Please update the app from /data/adb/lspd/manager.apk manually.</string>
+    <string name="version_mismatch">The version of the LSPosed framework (%1$d) does not match manager (%2$d). Please reinstall LSPosed.</string>
     <string name="manager_crashed">Manager crashed</string>
     <string name="manager_crashed_info">report this to </string>
     <string name="send_crash_info">Send crash info</string>