diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index a819445..f03c88b 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -15,6 +15,7 @@
             <option value="$PROJECT_DIR$/app" />
             <option value="$PROJECT_DIR$/install-time-asset_pack" />
             <option value="$PROJECT_DIR$/../cocos_js/cocos/platform/android/libcocos2dx" />
+            <option value="$PROJECT_DIR$/../pubgv4/trunk/android/unityLibrary" />
           </set>
         </option>
       </GradleProjectSettings>
diff --git a/app/google-services.json b/app/google-services.json
new file mode 100644
index 0000000..325beca
--- /dev/null
+++ b/app/google-services.json
@@ -0,0 +1,39 @@
+{
+  "project_info": {
+    "project_number": "977053300219",
+    "project_id": "cebg-1a9ee",
+    "storage_bucket": "cebg-1a9ee.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:977053300219:android:556f8ae1bb64b47041c75e",
+        "android_client_info": {
+          "package_name": "com.cege.games.release"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "977053300219-p63olapdi7ct9ms93lst6c848qatj17l.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyBAJnU2bBYbukFuijaZMMUzn5UI2NOCMO4"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "977053300219-p63olapdi7ct9ms93lst6c848qatj17l.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}
\ No newline at end of file
diff --git a/app/res/mipmap-hdpi/ic_launcher.png b/app/res/mipmap-hdpi/ic_launcher.png
index 5c28bd5..1c56bdb 100644
Binary files a/app/res/mipmap-hdpi/ic_launcher.png and b/app/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/res/mipmap-mdpi/ic_launcher.png b/app/res/mipmap-mdpi/ic_launcher.png
index dd76bb4..393ac63 100644
Binary files a/app/res/mipmap-mdpi/ic_launcher.png and b/app/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/app/res/mipmap-xhdpi/ic_launcher.png b/app/res/mipmap-xhdpi/ic_launcher.png
index f2aac72..a9479fb 100644
Binary files a/app/res/mipmap-xhdpi/ic_launcher.png and b/app/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/app/res/mipmap-xxhdpi/ic_launcher.png b/app/res/mipmap-xxhdpi/ic_launcher.png
index 3f469c2..42b067d 100644
Binary files a/app/res/mipmap-xxhdpi/ic_launcher.png and b/app/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/app/res/mipmap-xxxhdpi/ic_launcher.png b/app/res/mipmap-xxxhdpi/ic_launcher.png
index 91deddc..e6da237 100644
Binary files a/app/res/mipmap-xxxhdpi/ic_launcher.png and b/app/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/gradle.properties b/gradle.properties
index a4e4df5..d286a66 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -22,14 +22,19 @@ android.enableJetifier=true
 PROP_COMPILE_SDK_VERSION=30
 
 # Android SDK version that will be used as the earliest version of android this application can run on
-PROP_MIN_SDK_VERSION=23
+PROP_MIN_SDK_VERSION=26
 
 # Android SDK version that will be used as the latest version of android this application has been tested on
-PROP_TARGET_SDK_VERSION=30
+PROP_TARGET_SDK_VERSION=31
 
 # Android Build Tools version that will be used as the compile project
 PROP_BUILD_TOOLS_VERSION=30.0.2
 
 PROP_APP_ABI=armeabi-v7a:arm64-v8a
 
-android.injected.testOnly=false
\ No newline at end of file
+android.injected.testOnly=false
+
+org.gradle.parallel=true
+#android.enableR8=false
+unityStreamingAssets=
+unityTemplateVersion=3
\ No newline at end of file
diff --git a/install-time-asset_pack/.gitignore b/install-time-asset_pack/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/install-time-asset_pack/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/install-time-asset_pack/build.gradle b/install-time-asset_pack/build.gradle
new file mode 100644
index 0000000..24f4159
--- /dev/null
+++ b/install-time-asset_pack/build.gradle
@@ -0,0 +1,44 @@
+plugins {
+    id 'com.android.library'
+}
+
+apply plugin: 'com.android.asset-pack'
+
+assetPack{
+    packName = "install_time_asset_pack"
+    dynamicDelivery{
+        deliveryType = "install-time"  //PAD资源分发 安装时分发
+    }
+}
+
+android {
+    compileSdkVersion PROP_COMPILE_SDK_VERSION.toInteger()
+
+    defaultConfig {
+        minSdkVersion 21
+        targetSdkVersion 32
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles "consumer-rules.pro"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}
\ No newline at end of file
diff --git a/install-time-asset_pack/consumer-rules.pro b/install-time-asset_pack/consumer-rules.pro
new file mode 100644
index 0000000..e69de29
diff --git a/install-time-asset_pack/proguard-rules.pro b/install-time-asset_pack/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/install-time-asset_pack/proguard-rules.pro
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
\ No newline at end of file
diff --git a/install-time-asset_pack/src/androidTest/java/com/example/mylibrary/ExampleInstrumentedTest.java b/install-time-asset_pack/src/androidTest/java/com/example/mylibrary/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..81d0e70
--- /dev/null
+++ b/install-time-asset_pack/src/androidTest/java/com/example/mylibrary/ExampleInstrumentedTest.java
@@ -0,0 +1,26 @@
+package com.example.mylibrary;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.example.mylibrary.test", appContext.getPackageName());
+    }
+}
\ No newline at end of file
diff --git a/install-time-asset_pack/src/main/AndroidManifest.xml b/install-time-asset_pack/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..ed91afc
--- /dev/null
+++ b/install-time-asset_pack/src/main/AndroidManifest.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.mylibrary">
+
+</manifest>
\ No newline at end of file
diff --git a/install-time-asset_pack/src/test/java/com/example/mylibrary/ExampleUnitTest.java b/install-time-asset_pack/src/test/java/com/example/mylibrary/ExampleUnitTest.java
new file mode 100644
index 0000000..0c3b084
--- /dev/null
+++ b/install-time-asset_pack/src/test/java/com/example/mylibrary/ExampleUnitTest.java
@@ -0,0 +1,17 @@
+package com.example.mylibrary;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}
\ No newline at end of file
diff --git a/libs/youme_voice_engine.jar b/libs/youme_voice_engine.jar
deleted file mode 100644
index 8b20c18..0000000
Binary files a/libs/youme_voice_engine.jar and /dev/null differ
diff --git a/res/drawable/logo.png b/res/drawable/logo.png
index 01e883b..5bd887e 100644
Binary files a/res/drawable/logo.png and b/res/drawable/logo.png differ
diff --git a/settings.gradle b/settings.gradle
index c268c4f..c46288c 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -3,6 +3,7 @@ include ':app'
 rootProject.name = "HeadlessCocos"
 include ':libcocos2dx'
 project(':libcocos2dx').projectDir = new File(ext.cfgs.cocos2dxBasePath + '/cocos/platform/android/libcocos2dx')
+include ':install-time-asset_pack'
 
 include ':unityLibrary'
 project(':unityLibrary').projectDir = new File(ext.cfgs.unityAndroidProject + '/unityLibrary')
\ No newline at end of file