diff --git a/app/build.gradle b/app/build.gradle
index 88f531e77..022a6c50d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -55,14 +55,14 @@ android {
         jvmTarget = "1.8"
     }
 
-    dataBinding {
-        enabled = true
-    }
+//    dataBinding {
+//        enabled = true
+//    }
 
-//    buildFeatures {
-//        dataBinding true
+    buildFeatures {
+        dataBinding true
 //        viewBinding true
-//    }
+    }
 
     kapt {
         arguments {
diff --git a/app/src/main/java/me/yifeiyuan/flapdev/AsmTest.java b/app/src/main/java/me/yifeiyuan/flapdev/AsmTest.java
index 42827e5df..91faabff8 100644
--- a/app/src/main/java/me/yifeiyuan/flapdev/AsmTest.java
+++ b/app/src/main/java/me/yifeiyuan/flapdev/AsmTest.java
@@ -6,26 +6,6 @@
 
 /**
  * Created by 程序亦非猿 on 2020/9/8.
- *
- * todo proxy 类的名字是  me/xxx/xxxProxy
- *
- *    L1
- *     LINENUMBER 16 L1
- *     ALOAD 2
- *     NEW me/yifeiyuan/flap/apt/proxies/SimpleTextComponentProxy
- *     DUP
- *     INVOKESPECIAL me/yifeiyuan/flap/apt/proxies/SimpleTextComponentProxy.<init> ()V
- *     INVOKEVIRTUAL me/yifeiyuan/flap/Flap.register (Lme/yifeiyuan/flap/internal/ComponentProxy;)Lme/yifeiyuan/flap/ComponentRegistry;
- *     POP
- *    L2
- *     LINENUMBER 18 L2
- *     ALOAD 2
- *     NEW me/yifeiyuan/flap/apt/proxies/SimpleImageComponentProxy
- *     DUP
- *     INVOKESPECIAL me/yifeiyuan/flap/apt/proxies/SimpleImageComponentProxy.<init> ()V
- *     INVOKEVIRTUAL me/yifeiyuan/flap/Flap.register (Lme/yifeiyuan/flap/internal/ComponentProxy;)Lme/yifeiyuan/flap/ComponentRegistry;
- *     POP
- *
  */
 class AsmTest {
 
diff --git a/build.gradle b/build.gradle
index 33b954a29..f877d4e00 100644
--- a/build.gradle
+++ b/build.gradle
@@ -13,7 +13,7 @@ buildscript {
     }
 
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.2.1'
+        classpath 'com.android.tools.build:gradle:4.0.1'
         //https://github.com/StefMa/bintray-release
         classpath "guru.stefma.bintrayrelease:bintrayrelease:1.1.1"
         classpath 'com.novoda:bintray-release:0.9'
diff --git a/flap-compiler/build.gradle b/flap-compiler/build.gradle
index d6abd6718..61b28e7d1 100644
--- a/flap-compiler/build.gradle
+++ b/flap-compiler/build.gradle
@@ -4,7 +4,8 @@ dependencies {
     implementation fileTree(dir: 'libs', include: ['*.jar'])
     implementation project(':flap-annotations')
     implementation 'com.squareup:javapoet:1.11.1'
-    implementation 'com.google.auto.service:auto-service:1.0-rc6'
+    api 'com.google.auto.service:auto-service:1.0-rc6'
+    annotationProcessor 'com.google.auto.service:auto-service:1.0-rc6'
 }
 
 sourceCompatibility = "7"
@@ -16,7 +17,7 @@ publish {
     userOrg = 'alancheen'
     groupId = 'me.yifeiyuan.flap'
     artifactId = 'flap-compiler'
-    publishVersion = '2.1.0'
+    publishVersion = '2.1.1'
     desc = 'flap annotations'
     website = 'https://github.com/AlanCheen/Flap'
 }
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 9a4163a4f..4e1cc9db6 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.1.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists