diff --git a/app/build.gradle b/app/build.gradle
index 9ce4628..243421e 100755
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -1,11 +1,11 @@
 apply plugin: 'com.android.application'
 
 android {
-    compileSdk appTargetSdk
+    compileSdkVersion appTargetSdk
     defaultConfig {
         applicationId "com.kunminx.unpeeklivedata"
-        minSdk appMinSdk
-        targetSdk appTargetSdk
+        minSdkVersion appMinSdk
+        targetSdkVersion appTargetSdk
         versionCode appVersionCode
         versionName appVersionName
 
@@ -31,11 +31,11 @@ android {
 }
 
 dependencies {
-    configurations {
-        all {
-            exclude group: 'androidx.lifecycle', module: 'lifecycle-viewmodel-ktx'
-        }
-    }
+//    configurations {
+//        all {
+//            exclude group: 'androidx.lifecycle', module: 'lifecycle-viewmodel-ktx'
+//        }
+//    }
 
     implementation fileTree(dir: 'libs', include: ['*.jar'])
 
@@ -50,7 +50,7 @@ dependencies {
     implementation 'com.google.android.material:material:1.6.1'
     implementation 'androidx.recyclerview:recyclerview:1.2.1'
 
-    implementation 'androidx.navigation:navigation-runtime:2.4.2'
+    implementation 'androidx.navigation:navigation-runtime:2.5.0'
 
     implementation 'com.kunminx.arch:smooth-navigation:4.0.0-beta1'
     implementation 'com.kunminx.arch:strict-databinding:5.1.0-beta1'
diff --git a/build.gradle b/build.gradle
index ca3ccea..1a786ac 100755
--- a/build.gradle
+++ b/build.gradle
@@ -5,7 +5,7 @@ apply plugin: 'io.codearte.nexus-staging'
 buildscript {
     ext {
         appTargetSdk = 31
-        appMinSdk = 23
+        appMinSdk = 15
         appVersionCode = 7060000
         appVersionName = "7.6.0"
         lifecycleVersion = "2.4.1"
@@ -15,11 +15,10 @@ buildscript {
     repositories {
         google()
         mavenCentral()
-        maven { url 'https://dl.bintray.com/kotlin/kotlin-eap' }
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.2.1'
+        classpath 'com.android.tools.build:gradle:4.1.3'
         classpath 'com.github.dcendents:android-maven-gradle-plugin:2.1'
         classpath 'io.codearte.gradle.nexus:gradle-nexus-staging-plugin:0.30.0'
     }
@@ -36,6 +35,7 @@ allprojects {
     repositories {
         google()
         mavenCentral()
+        maven { url "https://jitpack.io" }
     }
 }
 
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index ea0903d..d4b8a48 100755
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.3.3-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip
diff --git a/publish-mavencentral.gradle b/publish-mavencentral.gradle
index 774fc7b..f067c63 100644
--- a/publish-mavencentral.gradle
+++ b/publish-mavencentral.gradle
@@ -5,10 +5,8 @@ task androidSourcesJar(type: Jar) {
     archiveClassifier.set('sources')
     if (project.plugins.findPlugin("com.android.library")) {
         from android.sourceSets.main.java.srcDirs
-        from android.sourceSets.main.kotlin.srcDirs
     } else {
         from sourceSets.main.java.srcDirs
-        from sourceSets.main.kotlin.srcDirs
     }
 }
 
diff --git a/unpeeklivedata/build.gradle b/unpeeklivedata/build.gradle
index a3e71b0..36d5a11 100644
--- a/unpeeklivedata/build.gradle
+++ b/unpeeklivedata/build.gradle
@@ -1,4 +1,6 @@
 apply plugin: 'com.android.library'
+apply plugin: 'com.github.dcendents.android-maven'
+group='com.github.KunMinX'
 
 ext {
     PUBLISH_GROUP_ID = 'com.kunminx.arch'
@@ -29,10 +31,10 @@ apply from: "${rootProject.projectDir}/publish-mavencentral.gradle"
 
 
 android {
-    compileSdk appTargetSdk
+    compileSdkVersion appTargetSdk
     defaultConfig {
-        minSdk appMinSdk
-        targetSdk appTargetSdk
+        minSdkVersion appMinSdk
+        targetSdkVersion appTargetSdk
         versionCode appVersionCode
         versionName appVersionName
 
@@ -40,19 +42,12 @@ android {
         consumerProguardFiles "consumer-rules.pro"
     }
 
-    publishing {
-        singleVariant('release') {
-            withSourcesJar()
-        }
-    }
-
     buildTypes {
         release {
             minifyEnabled false
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
-
 }
 
 tasks.withType(Javadoc) {