diff --git a/example/android/app/build.gradle.kts b/example/android/app/build.gradle.kts
deleted file mode 100644
index 872c58f..0000000
--- a/example/android/app/build.gradle.kts
+++ /dev/null
@@ -1,44 +0,0 @@
-plugins {
-    id("com.android.application")
-    id("kotlin-android")
-    // The Flutter Gradle Plugin must be applied after the Android and Kotlin Gradle plugins.
-    id("dev.flutter.flutter-gradle-plugin")
-}
-
-android {
-    namespace = "io.openim.flutter_openim_sdk_example"
-    compileSdk = flutter.compileSdkVersion
-    ndkVersion = flutter.ndkVersion
-
-    compileOptions {
-        sourceCompatibility = JavaVersion.VERSION_11
-        targetCompatibility = JavaVersion.VERSION_11
-    }
-
-    kotlinOptions {
-        jvmTarget = JavaVersion.VERSION_11.toString()
-    }
-
-    defaultConfig {
-        // TODO: Specify your own unique Application ID (https://developer.android.com/studio/build/application-id.html).
-        applicationId = "io.openim.flutter_openim_sdk_example"
-        // You can update the following values to match your application needs.
-        // For more information, see: https://flutter.dev/to/review-gradle-config.
-        minSdk = flutter.minSdkVersion
-        targetSdk = flutter.targetSdkVersion
-        versionCode = flutter.versionCode
-        versionName = flutter.versionName
-    }
-
-    buildTypes {
-        release {
-            // TODO: Add your own signing config for the release build.
-            // Signing with the debug keys for now, so `flutter run --release` works.
-            signingConfig = signingConfigs.getByName("debug")
-        }
-    }
-}
-
-flutter {
-    source = "../.."
-}
diff --git a/example/android/gradle/wrapper/gradle-wrapper.properties b/example/android/gradle/wrapper/gradle-wrapper.properties
index ac3b479..e1ca574 100644
--- a/example/android/gradle/wrapper/gradle-wrapper.properties
+++ b/example/android/gradle/wrapper/gradle-wrapper.properties
@@ -2,4 +2,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.3-all.zip
diff --git a/example/android/settings.gradle.kts b/example/android/settings.gradle.kts
deleted file mode 100644
index ab39a10..0000000
--- a/example/android/settings.gradle.kts
+++ /dev/null
@@ -1,25 +0,0 @@
-pluginManagement {
-    val flutterSdkPath = run {
-        val properties = java.util.Properties()
-        file("local.properties").inputStream().use { properties.load(it) }
-        val flutterSdkPath = properties.getProperty("flutter.sdk")
-        require(flutterSdkPath != null) { "flutter.sdk not set in local.properties" }
-        flutterSdkPath
-    }
-
-    includeBuild("$flutterSdkPath/packages/flutter_tools/gradle")
-
-    repositories {
-        google()
-        mavenCentral()
-        gradlePluginPortal()
-    }
-}
-
-plugins {
-    id("dev.flutter.flutter-plugin-loader") version "1.0.0"
-    id("com.android.application") version "8.7.3" apply false
-    id("org.jetbrains.kotlin.android") version "2.1.0" apply false
-}
-
-include(":app")