diff --git a/.gitignore b/.gitignore
index 3e6daa7..cba909f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,5 +30,3 @@ captures/
 # Intellij
 *.iml
 .idea
-
-micro-module/
diff --git a/app/build.gradle b/app/build.gradle
index f5f2198..3d4d2db 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -27,8 +27,10 @@ dependencies {
     // implementation 'com.eastwood.common:mis:1.0.0'
 
     implementation misPublication('com.eastwood.demo:library-sdk')
+    implementation misPublication('com.eastwood.demo:kotlin-sdk')
     implementation misPublication('com.eastwood.demo:module-main-sdk')
     implementation misPublication('com.eastwood.demo:module-common-sdk')
+    implementation misPublication('com.eastwood.demo:module-kotlin-sdk')
 
     // after library-sdk push to maven, you need specify a version.
     // e.g.
diff --git a/library/build.gradle b/library/build.gradle
index cc21526..f486c2b 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -2,11 +2,11 @@ apply plugin: 'com.android.library'
 apply plugin: 'mis'
 
 android {
-    compileSdkVersion 25
+    compileSdkVersion 27
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 25
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
     }
diff --git a/micro-module/build.gradle b/micro-module/build.gradle
index 4333022..a082ecd 100644
--- a/micro-module/build.gradle
+++ b/micro-module/build.gradle
@@ -2,12 +2,16 @@ apply plugin: 'micro-module'
 apply plugin: 'com.android.library'
 apply plugin: 'mis'
 
+apply plugin: 'kotlin-android'
+
+apply plugin: 'kotlin-android-extensions'
+
 android {
-    compileSdkVersion 25
+    compileSdkVersion 27
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 25
+        targetSdkVersion 27
         versionCode 1
         versionName "1.0"
     }
@@ -19,9 +23,15 @@ android {
         }
     }
 
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
 }
 
 microModule {
+    include ':p_kotlin'
 
     include ':p_common'
 
@@ -30,6 +40,8 @@ microModule {
 dependencies {
     implementation 'com.eastwood.common:auto-inject:1.0.0'
 
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+
     implementation project(':mis-core')
     // or
     // implementation 'com.eastwood.common:mis:1.0.0'
diff --git a/micro-module/p_kotlin/build.gradle b/micro-module/p_kotlin/build.gradle
new file mode 100644
index 0000000..bcfe77b
--- /dev/null
+++ b/micro-module/p_kotlin/build.gradle
@@ -0,0 +1,15 @@
+// MicroModule build file where you can add configuration options to publish MicroModule(aar) to Maven 
+// and declare MicroModule dependencies.
+
+mis {
+    publications {
+        p_kotlin {
+            groupId 'com.eastwood.demo'
+            artifactId 'module-kotlin-sdk'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'p_kotlin/libs', include: ['*.jar'])
+}
diff --git a/micro-module/p_kotlin/src/main/AndroidManifest.xml b/micro-module/p_kotlin/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..32e6779
--- /dev/null
+++ b/micro-module/p_kotlin/src/main/AndroidManifest.xml
@@ -0,0 +1,6 @@
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.eastwood.demo.micromodule.kotlin">
+        <application>
+            
+        </application>
+</manifest>
\ No newline at end of file
diff --git a/micro-module/p_kotlin/src/main/kotlin/com/eastwood/demo/micromodule/kotlin/MicroModuleKotlinService.kt b/micro-module/p_kotlin/src/main/kotlin/com/eastwood/demo/micromodule/kotlin/MicroModuleKotlinService.kt
new file mode 100644
index 0000000..4b7de6e
--- /dev/null
+++ b/micro-module/p_kotlin/src/main/kotlin/com/eastwood/demo/micromodule/kotlin/MicroModuleKotlinService.kt
@@ -0,0 +1,14 @@
+package com.eastwood.demo.micromodule.kotlin
+
+/**
+ *
+ * @author eastwood
+ * createDate: 2019-01-22
+ */
+class MicroModuleKotlinService : IMicroModuleKotlin {
+
+    override fun test() {
+
+    }
+
+}
\ No newline at end of file
diff --git a/micro-module/p_kotlin/src/main/mis/com/eastwood/demo/micromodule/kotlin/IMicroModuleKotlin.kt b/micro-module/p_kotlin/src/main/mis/com/eastwood/demo/micromodule/kotlin/IMicroModuleKotlin.kt
new file mode 100644
index 0000000..60b8411
--- /dev/null
+++ b/micro-module/p_kotlin/src/main/mis/com/eastwood/demo/micromodule/kotlin/IMicroModuleKotlin.kt
@@ -0,0 +1,12 @@
+package com.eastwood.demo.micromodule.kotlin
+
+/**
+ *
+ * @author eastwood
+ * createDate: 2019-01-22
+ */
+interface IMicroModuleKotlin {
+
+    fun test()
+
+}
\ No newline at end of file
diff --git a/mis-core/build.gradle b/mis-core/build.gradle
index 9acd186..b1c8587 100644
--- a/mis-core/build.gradle
+++ b/mis-core/build.gradle
@@ -1,11 +1,11 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 25
+    compileSdkVersion 27
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 25
+        targetSdkVersion 27
         versionCode 1
         versionName '1.0.1'
     }
@@ -19,7 +19,7 @@ android {
 }
 
 dependencies {
-    implementation 'com.android.support:appcompat-v7:25.1.1'
+    implementation 'com.android.support:appcompat-v7:27.1.1'
 }