diff --git a/build.gradle b/build.gradle
index 5450420d..de50eb5d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -5,10 +5,10 @@ buildscript {
         jcenter()
     }
     dependencies {
-//        classpath 'com.android.tools.build:gradle:2.1.0'
-        classpath 'com.android.tools.build:gradle:2.2.0'
+        classpath 'com.android.tools.build:gradle:1.5.0'
         classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.6'
         classpath "org.jfrog.buildinfo:build-info-extractor-gradle:3.1.1"
+//        classpath 'com.neenbedankt.gradle.plugins:android-apt:1.8'
         // NOTE: Do not place your application dependencies here; they belong
         // in the individual module build.gradle files
     }
diff --git a/downloadutil/build.gradle b/downloadutil/build.gradle
index af305188..b6301421 100644
--- a/downloadutil/build.gradle
+++ b/downloadutil/build.gradle
@@ -1,26 +1,26 @@
 apply plugin: 'com.android.library'
 android {
-  compileSdkVersion 23
-  buildToolsVersion "23.0.2"
+    compileSdkVersion 23
+    buildToolsVersion "23.0.2"
 
-  defaultConfig {
-    minSdkVersion 9
-    targetSdkVersion 23
-    versionCode 13
-    versionName "1.0.1"
-  }
-  buildTypes {
-    release {
-      minifyEnabled false
-      proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+    defaultConfig {
+        minSdkVersion 9
+        targetSdkVersion 23
+        versionCode 56
+        versionName "2.0.0"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
     }
-  }
 }
 
 dependencies {
-  compile fileTree(dir: 'libs', include: ['*.jar'])
-  testCompile 'junit:junit:4.12'
-  compile 'com.android.support:appcompat-v7:23.1.1'
+    compile fileTree(dir: 'libs', include: ['*.jar'])
+    testCompile 'junit:junit:4.12'
+    compile 'com.android.support:appcompat-v7:23.1.1'
 }
 
-//apply from: 'jcenter.gradle'
\ No newline at end of file
+apply from: 'jcenter.gradle'
\ No newline at end of file
diff --git a/downloadutil/jcenter.gradle b/downloadutil/jcenter.gradle
index 50c59b0f..2b186301 100644
--- a/downloadutil/jcenter.gradle
+++ b/downloadutil/jcenter.gradle
@@ -6,31 +6,30 @@ apply plugin: "com.jfrog.artifactory"
 apply plugin: 'maven-publish'
 
 task sourcesJar(type: Jar) {
-  from android.sourceSets.main.java.srcDirs
-  classifier = 'sources'
+    from android.sourceSets.main.java.srcDirs
+    classifier = 'sources'
 }
 
 task javadoc(type: Javadoc) {
-  options.encoding = "utf-8"
-  source = android.sourceSets.main.java.srcDirs
-  classpath += configurations.compile
-  classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
+    source = android.sourceSets.main.java.srcDirs
+    classpath += configurations.compile
+    classpath += project.files(android.getBootClasspath().join(File.pathSeparator))
 }
 
 task javadocJar(type: Jar, dependsOn: javadoc) {
-  classifier = 'javadoc'
-  from javadoc.destinationDir
+    classifier = 'javadoc'
+    from javadoc.destinationDir
 }
 
 javadoc {
-  options {
-    encoding "UTF-8"
-    charSet 'UTF-8'
-    author true
-    version true
-    links "http://docs.oracle.com/javase/7/docs/api"
-    title PROJ_ARTIFACTID
-  }
+    options {
+        encoding "UTF-8"
+        charSet 'UTF-8'
+        author true
+        version true
+        links "http://docs.oracle.com/javase/7/docs/api"
+        title PROJ_ARTIFACTID
+    }
 }
 
 //添加以下信息避免JAVADOC打包时引用其它类库而出现问题，比如出现以下错误
@@ -40,121 +39,128 @@ javadoc {
 //    符号:   类 JsonElement
 //    位置: 类 xxxx
 android.libraryVariants.all { variant ->
-  println variant.javaCompile.classpath.files
-  if (variant.name == 'release') {
-    //我们只需 release 的 javadoc
-    task("generate${variant.name.capitalize()}Javadoc", type: Javadoc) {
-      // title = ''
-      // description = ''
-      source = variant.javaCompile.source
-      classpath = files(variant.javaCompile.classpath.files, project.android.getBootClasspath())
-      options {
-        encoding "utf-8"
-        links "http://docs.oracle.com/javase/7/docs/api/"
-        linksOffline "http://d.android.com/reference", "${android.sdkDirectory}/docs/reference"
-      }
-      exclude '**/BuildConfig.java'
-      exclude '**/R.java'
-    }
-    task("javadoc${variant.name.capitalize()}Jar", type: Jar,
-        dependsOn: "generate${variant.name.capitalize()}Javadoc") {
-      classifier = 'javadoc'
-      from tasks.getByName("generate${variant.name.capitalize()}Javadoc").destinationDir
+    println variant.javaCompile.classpath.files
+    if (variant.name == 'release') { //我们只需 release 的 javadoc
+        task("generate${variant.name.capitalize()}Javadoc", type: Javadoc) {
+            // title = ''
+            // description = ''
+            source = variant.javaCompile.source
+            classpath = files(variant.javaCompile.classpath.files, project.android.getBootClasspath())
+            options {
+                encoding "utf-8"
+                links "http://docs.oracle.com/javase/7/docs/api/"
+                linksOffline "http://d.android.com/reference", "${android.sdkDirectory}/docs/reference"
+            }
+            exclude '**/BuildConfig.java'
+            exclude '**/R.java'
+        }
+        task("javadoc${variant.name.capitalize()}Jar", type: Jar, dependsOn: "generate${variant.name.capitalize()}Javadoc") {
+            classifier = 'javadoc'
+            from tasks.getByName("generate${variant.name.capitalize()}Javadoc").destinationDir
+        }
+        artifacts {
+            archives tasks.getByName("javadoc${variant.name.capitalize()}Jar")
+        }
     }
-    artifacts {
-      archives tasks.getByName("javadoc${variant.name.capitalize()}Jar")
-    }
-  }
 }
 
 artifacts {
-  archives javadocJar
-  archives sourcesJar
+    archives javadocJar
+    archives sourcesJar
 }
 
 
 def pomConfig = {
-  scm {
-    connection PROJ_VCSURL
-    developerConnection PROJ_VCSURL
-    url PROJ_WEBSITEURL
-  }
-  licenses {
-    license {
-      name "The Apache Software License, Version 2.0"
-      url "http://www.apache.org/licenses/LICENSE-2.0.txt"
-      distribution "repo"
+    scm {
+        connection PROJ_VCSURL
+        developerConnection PROJ_VCSURL
+        url PROJ_WEBSITEURL
+    }
+    licenses {
+        license {
+            name "The Apache Software License, Version 2.0"
+            url "http://www.apache.org/licenses/LICENSE-2.0.txt"
+            distribution "repo"
+        }
     }
-  }
-  developers {
-    developer {
-      id DEVELOPER_ID
-      name DEVELOPER_NAME
-      email DEVELOPER_EMAIL
+    developers {
+        developer {
+            id DEVELOPER_ID
+            name DEVELOPER_NAME
+            email DEVELOPER_EMAIL
+        }
+    }
+    "dependencies " {
+//        dependency {
+//            groupId "com.alibaba"
+//            artifactId "fastjson"
+//            "version " "1.2.6"
+//            //同dependencies
+//        }
+//        }
     }
-  }
 }
 
 publishing {
-  publications {
-    mavenJava(MavenPublication) {
-      artifactId PROJ_ARTIFACTID
-      artifact javadocJar
-      artifact sourcesJar
+    publications {
+        mavenJava(MavenPublication) {
+            artifactId PROJ_ARTIFACTID
+            artifact javadocJar
+            artifact sourcesJar
 
-      pom {
-        packaging 'aar'
-      }
-      pom.withXml {
-        def root = asNode()
-        root.appendNode('description', PROJ_DESCRIPTION)
-        root.children().last() + pomConfig
-      }
+            pom {
+                packaging 'aar'
+            }
+            pom.withXml {
+                def root = asNode()
+                root.appendNode('description', PROJ_DESCRIPTION)
+                root.children().last() + pomConfig
+            }
+        }
     }
-  }
 }
 
 afterEvaluate {
-  publishing.publications.mavenJava.artifact(bundleRelease)
+    publishing.publications.mavenJava.artifact(bundleRelease)
 }
 
 bintray {
-  user = hasProperty("bintrayUser") ? getProperty("bintrayUser") : getProperty("BINTRAY_USER")
-  key = hasProperty("bintrayKey") ? getProperty("bintrayKey") : getProperty("BINTRAY_KEY")
+    user = hasProperty("bintrayUser") ? getProperty("bintrayUser") : getProperty("BINTRAY_USER")
+    key = hasProperty("bintrayKey") ? getProperty("bintrayKey") : getProperty("BINTRAY_KEY")
 
-  configurations = ['archives']
-  publications = ['mavenJava']
-  publish = true
+    configurations = ['archives']
+    publications = ['mavenJava']
+    publish = true
 
-  pkg {
-    repo = 'maven'
-    name = PROJ_NAME
-    desc = PROJ_DESCRIPTION
-    websiteUrl = PROJ_WEBSITEURL
-    issueTrackerUrl = PROJ_ISSUETRACKERURL
-    vcsUrl = PROJ_VCSURL
-    licenses = ['Apache-2.0']
-    publicDownloadNumbers = true
-  }
+    pkg {
+        repo = 'maven'
+        name = PROJ_NAME
+        desc = PROJ_DESCRIPTION
+        websiteUrl = PROJ_WEBSITEURL
+        issueTrackerUrl = PROJ_ISSUETRACKERURL
+        vcsUrl = PROJ_VCSURL
+        licenses = ['Apache-2.0']
+        publicDownloadNumbers = true
+    }
 }
 
 artifactory {
-  contextUrl = 'http://oss.jfrog.org/artifactory'
-  resolve {
-    repository {
-      repoKey = 'libs-release'
-    }
-  }
-  publish {
-    repository {
-      repoKey = 'oss-snapshot-local' //The Artifactory repository key to publish to
-      username = bintray.user
-      password = bintray.key
-      maven = true
+    contextUrl = 'http://oss.jfrog.org/artifactory'
+    resolve {
+        repository {
+            repoKey = 'libs-release'
+        }
     }
-    defaults {
-      publications('mavenJava')
-      publishArtifacts = true
+    publish {
+        repository {
+            repoKey = 'oss-snapshot-local' //The Artifactory repository key to publish to
+            username = bintray.user
+            password = bintray.key
+            maven = true
+        }
+        defaults {
+            publications('mavenJava')
+            publishArtifacts = true
+        }
     }
-  }
 }
\ No newline at end of file
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
deleted file mode 100644
index 13372aef..00000000
Binary files a/gradle/wrapper/gradle-wrapper.jar and /dev/null differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 5b2de139..7b52afa3 100644
--- 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-2.14.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip