diff --git a/lib/android/build.gradle b/lib/android/build.gradle
index 120ec48..a8892a7 100644
--- a/lib/android/build.gradle
+++ b/lib/android/build.gradle
@@ -6,24 +6,22 @@ def getExt(prop, fallback) {
 }
 
 buildscript {
-    ext.kotlin_version = '1.7.20'
-
     repositories {
         mavenCentral()
     }
 
     dependencies {
-        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin: ${getExt('kotlinVersion', '1.6.21')}"
     }
 }
 
 android {
-    compileSdkVersion getExt('compileSdkVersion', 30)
-    buildToolsVersion getExt('buildToolsVersion', '30.0.0')
+    compileSdkVersion getExt('compileSdkVersion', 29)
+    buildToolsVersion getExt('buildToolsVersion', '29.0.3')
 
     defaultConfig {
         minSdkVersion getExt('minSdkVersion', 21)
-        targetSdkVersion getExt('targetSdkVersion', 30)
+        targetSdkVersion getExt('targetSdkVersion', 29)
     }
 
     kotlinOptions {
@@ -33,7 +31,7 @@ android {
 
 dependencies {
     api 'com.facebook.react:react-native:+'
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${getExt('kotlinVersion', '1.6.21')}"
     implementation 'com.amap.api:3dmap:9.5.0'
     implementation 'com.amap.api:search:9.4.5'
 }
diff --git a/package.json b/package.json
index e00d6a0..8740148 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@cqfw/react-native-amap3d",
-  "version": "0.2.4",
+  "version": "0.2.5",
   "description": "react-native 高德地图组件，支持 Android + iOS",
   "author": "feewee",
   "license": "MIT",