diff --git a/app/build.gradle b/app/build.gradle
index dde870b..0c731de 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -51,7 +51,11 @@ android {
             dimension "distribution"
             applicationId "ai.multicasual.app"
             resValue "string", "app_name", "Multi-Casual"
-            manifestPlaceholders = [usesCleartextTraffic: "false", deepLinkScheme: "multi-casual"]
+            manifestPlaceholders = [
+                    usesCleartextTraffic: "false",
+                    deepLinkScheme: "multi-casual",
+                    umengDeepLinkScheme: "um.${umengPublicAppKey}"
+            ]
             buildConfigField "String", "MULTICA_ENVIRONMENT", "\"public\""
             buildConfigField "String", "MULTICA_API_BASE_URL", "\"https://api.multica.ai\""
             buildConfigField "String", "MULTICA_WEB_BASE_URL", "\"https://app.multica.ai\""
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index ade678b..0f82d0d 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -30,6 +30,12 @@
                 <category android:name="android.intent.category.BROWSABLE" />
                 <data android:scheme="${deepLinkScheme}" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="${umengDeepLinkScheme}" />
+            </intent-filter>
         </activity>
         <activity
             android:name=".MainActivity"
diff --git a/app/src/main/java/ai/multica/app/AppAnalytics.java b/app/src/main/java/ai/multica/app/AppAnalytics.java
index 20b07d5..759aa6a 100644
--- a/app/src/main/java/ai/multica/app/AppAnalytics.java
+++ b/app/src/main/java/ai/multica/app/AppAnalytics.java
@@ -38,6 +38,7 @@ public final class AppAnalytics {
 
     public static void initializeIfAllowed(Context context) {
         Context appContext = context.getApplicationContext();
+        preInitializeIfNeeded(appContext);
         if (!new AnalyticsConsentStore(appContext).isGranted()) {
             Log.i(TAG, "Analytics disabled until user grants consent.");
             return;
@@ -57,6 +58,20 @@ public final class AppAnalytics {
         trackAppOpenOnce(appContext);
     }
 
+    public static void preInitializeIfNeeded(Context context) {
+        if (!BuildConfig.UMENG_ENABLED || TextUtils.isEmpty(safe(BuildConfig.UMENG_APP_KEY))) {
+            return;
+        }
+        try {
+            Class.forName("com.umeng.commonsdk.UMConfigure")
+                    .getMethod("preInit", Context.class, String.class, String.class)
+                    .invoke(null, context.getApplicationContext(), BuildConfig.UMENG_APP_KEY, BuildConfig.UMENG_CHANNEL);
+            Log.i(TAG, "Umeng preInit completed.");
+        } catch (Throwable error) {
+            Log.w(TAG, "Umeng preInit failed; app launch continues.", error);
+        }
+    }
+
     static String selectedRouteForTesting(Context context) {
         return selectRoute(context);
     }