diff --git a/AppFrame/build.gradle b/AppFrame/build.gradle
index 940396e9..c6be7353 100644
--- a/AppFrame/build.gradle
+++ b/AppFrame/build.gradle
@@ -15,6 +15,9 @@ android {
     testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
   }
   buildTypes {
+    debug{
+      debuggable true
+    }
     release {
       minifyEnabled false
       proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
diff --git a/AppFrame/src/main/java/com/arialyy/frame/util/AESEncryption.java b/AppFrame/src/main/java/com/arialyy/frame/util/AESEncryption.java
index 6a6da25d..f5bcdc79 100644
--- a/AppFrame/src/main/java/com/arialyy/frame/util/AESEncryption.java
+++ b/AppFrame/src/main/java/com/arialyy/frame/util/AESEncryption.java
@@ -12,7 +12,7 @@ import javax.crypto.spec.SecretKeySpec;
 /**
  * AES加密
  *
- * @author lyy
+ * author lyy
  */
 public class AESEncryption {
   /**
diff --git a/Aria/build.gradle b/Aria/build.gradle
index ea5fe579..c795d6b6 100644
--- a/Aria/build.gradle
+++ b/Aria/build.gradle
@@ -11,6 +11,9 @@ android {
     versionName rootProject.ext.versionName
   }
   buildTypes {
+    debug{
+      debuggable true
+    }
     release {
       minifyEnabled false
       proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
@@ -24,9 +27,13 @@ dependencies {
   implementation fileTree(include: ['*.jar'], dir: 'libs')
   testImplementation 'junit:junit:4.12'
 //  implementation "androidx.appcompat:appcompat:${rootProject.ext.XAppcompatVersion}"
-  api project(':AriaAnnotations')
+  api project(path: ':AriaAnnotations')
   api project(path: ':PublicComponent')
   api project(path: ':HttpComponent')
 }
 
-apply from: 'bintray-release.gradle'
\ No newline at end of file
+//apply from: 'bintray-release.gradle'
+ext{
+  PUBLISH_ARTIFACT_ID = 'core'
+}
+apply from: '../gradle/mavenCentral-release.gradle'
\ No newline at end of file
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTaskListener.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTaskListener.java
index 7184f111..262ac178 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTaskListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadGroupTaskListener.java
@@ -20,7 +20,7 @@ import com.arialyy.aria.core.task.DownloadGroupTask;
 
 /**
  * @author ChenFei(chenfei0928 @ gmail.com)
- * @date 2020-07-07 14:12
+ * Date: 2020-07-07 14:12
  */
 public interface DownloadGroupTaskListener extends NormalTaskListenerInterface<DownloadGroupTask> {
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadReceiver.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadReceiver.java
index b2e22c96..7766da1d 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadReceiver.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadReceiver.java
@@ -111,8 +111,8 @@ public class DownloadReceiver extends AbsReceiver {
   /**
    * 加载组合任务，用于任务停止、删除等操作
    *
-   * @param taskId 任务id，可从{@link AbsBuilderTarget#create()}、{@link AbsBuilderTarget#add()}、{@link
-   * * AbsEntity#getId()}读取任务id
+   * @param taskId 任务id，可从{@link AbsBuilderTarget#create}、{@link AbsBuilderTarget#add}、{@link
+   * AbsEntity#getId}读取任务id
    */
 
   public GroupNormalTarget loadGroup(long taskId) {
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTaskListener.java b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTaskListener.java
index e00a96c1..84418149 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTaskListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/DownloadTaskListener.java
@@ -19,8 +19,8 @@ import com.arialyy.aria.core.scheduler.NormalTaskListenerInterface;
 import com.arialyy.aria.core.task.DownloadTask;
 
 /**
- * @author ChenFei(chenfei0928 @ gmail.com)
- * @date 2020-07-07 14:12
+ * @author ChenFei(chenfei0928@gmail.com)
+ * Date: 2020-07-07 14:12
  */
 public interface DownloadTaskListener extends NormalTaskListenerInterface<DownloadTask> {
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/target/DTargetFactory.java b/Aria/src/main/java/com/arialyy/aria/core/download/target/DTargetFactory.java
index 693430e4..8e25cbac 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/target/DTargetFactory.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/target/DTargetFactory.java
@@ -20,8 +20,8 @@ import com.arialyy.aria.core.common.AbsNormalTarget;
 import java.util.List;
 
 /**
- * @Author aria
- * @Date 2019-09-05
+ * @author aria
+ * Date: 2019-09-05
  */
 public class DTargetFactory {
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/target/TcpBuilderTarget.java b/Aria/src/main/java/com/arialyy/aria/core/download/target/TcpBuilderTarget.java
index ab9d7212..81f6f9a6 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/target/TcpBuilderTarget.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/target/TcpBuilderTarget.java
@@ -20,8 +20,8 @@ import com.arialyy.aria.core.download.DownloadEntity;
 import com.arialyy.aria.core.wrapper.ITaskWrapper;
 
 /**
- * @Author aria
- * @Date 2019-09-06
+ * @author aria
+ * Date: 2019-09-06
  */
 public class TcpBuilderTarget extends AbsBuilderTarget<TcpBuilderTarget> {
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/tcp/TcpDelegate.java b/Aria/src/main/java/com/arialyy/aria/core/download/tcp/TcpDelegate.java
index 14e689ca..abbf5af5 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/tcp/TcpDelegate.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/tcp/TcpDelegate.java
@@ -21,8 +21,8 @@ import com.arialyy.aria.util.ALog;
 import java.nio.charset.Charset;
 
 /**
- * @Author aria
- * @Date 2019-09-06
+ * @author aria
+ * Date: 2019-09-06
  */
 public class TcpDelegate extends BaseOption {
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/download/tcp/TcpTaskConfig.java b/Aria/src/main/java/com/arialyy/aria/core/download/tcp/TcpTaskConfig.java
index 58fee361..326ec56b 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/download/tcp/TcpTaskConfig.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/download/tcp/TcpTaskConfig.java
@@ -18,8 +18,8 @@ package com.arialyy.aria.core.download.tcp;
 /**
  * tcp任务配置
  *
- * @Author aria
- * @Date 2019-09-06
+ * @author aria
+ * Date: 2019-09-06
  */
 public class TcpTaskConfig {
 
diff --git a/Aria/src/main/java/com/arialyy/aria/core/scheduler/TaskInternalListenerInterface.java b/Aria/src/main/java/com/arialyy/aria/core/scheduler/TaskInternalListenerInterface.java
index 46d2e45f..c4d73d59 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/scheduler/TaskInternalListenerInterface.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/scheduler/TaskInternalListenerInterface.java
@@ -19,7 +19,7 @@ package com.arialyy.aria.core.scheduler;
  * 直接实现监听器回调接口的基类，不对外部直接开放，仅作为内部监听器的父接口使用
  *
  * @author ChenFei(chenfei0928 @ gmail.com)
- * @date 2020-07-07 15:18
+ * Date: 2020-07-07 15:18
  */
 public interface TaskInternalListenerInterface {
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTaskListener.java b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTaskListener.java
index 6ba0eaa2..ec734377 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTaskListener.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/UploadTaskListener.java
@@ -22,7 +22,7 @@ import com.arialyy.aria.core.task.UploadTask;
  * 上传任务接口
  *
  * @author ChenFei(chenfei0928 @ gmail.com)
- * @date 2020-07-07 13:23
+ * Date: 2020-07-07 13:23
  */
 public interface UploadTaskListener extends NormalTaskListenerInterface<UploadTask> {
 }
diff --git a/Aria/src/main/java/com/arialyy/aria/core/upload/target/UTargetFactory.java b/Aria/src/main/java/com/arialyy/aria/core/upload/target/UTargetFactory.java
index 42d794c7..64088ac9 100644
--- a/Aria/src/main/java/com/arialyy/aria/core/upload/target/UTargetFactory.java
+++ b/Aria/src/main/java/com/arialyy/aria/core/upload/target/UTargetFactory.java
@@ -19,8 +19,8 @@ import com.arialyy.aria.core.common.AbsBuilderTarget;
 import com.arialyy.aria.core.common.AbsNormalTarget;
 
 /**
- * @Author aria
- * @Date 2019-09-05
+ * @author aria
+ * Date: 2019-09-05
  */
 public class UTargetFactory {
 
diff --git a/AriaAnnotations/build.gradle b/AriaAnnotations/build.gradle
index a9f2139b..a77f0adb 100644
--- a/AriaAnnotations/build.gradle
+++ b/AriaAnnotations/build.gradle
@@ -11,4 +11,9 @@ dependencies {
   compile fileTree(dir: 'libs', include: ['*.jar'])
 }
 
-apply from: 'bintray-release.gradle'
\ No newline at end of file
+//apply from: 'bintray-release.gradle'
+
+ext{
+  PUBLISH_ARTIFACT_ID = 'annotations'
+}
+apply from: '../gradle/mavenCentral-release.gradle'
\ No newline at end of file
diff --git a/AriaCompiler/build.gradle b/AriaCompiler/build.gradle
index 62aad962..7ad5069d 100644
--- a/AriaCompiler/build.gradle
+++ b/AriaCompiler/build.gradle
@@ -15,4 +15,8 @@ dependencies {
   implementation project(':AriaAnnotations')
 }
 
-apply from: 'bintray-release.gradle'
\ No newline at end of file
+//apply from: 'bintray-release.gradle'
+ext{
+  PUBLISH_ARTIFACT_ID = 'compiler'
+}
+apply from: '../gradle/mavenCentral-release.gradle'
\ No newline at end of file
diff --git a/DEV_LOG.md b/DEV_LOG.md
index 2a036a39..27354c0c 100644
--- a/DEV_LOG.md
+++ b/DEV_LOG.md
@@ -1,9 +1,10 @@
 ## 开发日志
-  + v_3.8.16
+  + v_3.8.16 (2021/4/18)
     - 修复单线程下载时，文件已经完成，重复下载回调下载失败的问题
     - 修复一个重新下载文件时，同名路径文件没有被被删除的问题
     - fix bug https://github.com/AriaLyy/Aria/issues/807
     - fix bug https://github.com/AriaLyy/Aria/issues/811
+    - fix bug https://github.com/AriaLyy/Aria/issues/851
     - 修复组合任务在获取子任务信息的过程中，手动停止或删除，没有回调的问题
   + v_3.8.15 (2020/11/9)
     - 修复不支持断点的连接下载失败问题，https://github.com/AriaLyy/Aria/issues/771
diff --git a/FtpComponent/build.gradle b/FtpComponent/build.gradle
index 7767daed..701738be 100644
--- a/FtpComponent/build.gradle
+++ b/FtpComponent/build.gradle
@@ -15,6 +15,9 @@ android {
   }
 
   buildTypes {
+    debug{
+      debuggable true
+    }
     release {
       minifyEnabled false
       proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
@@ -32,4 +35,8 @@ dependencies {
   implementation project(path: ':PublicComponent')
 }
 
-apply from: 'bintray-release.gradle'
\ No newline at end of file
+//apply from: 'bintray-release.gradle'
+ext{
+  PUBLISH_ARTIFACT_ID = 'ftp'
+}
+apply from: '../gradle/mavenCentral-release.gradle'
\ No newline at end of file
diff --git a/FtpComponent/src/main/java/com/arialyy/aria/ftp/BaseFtpThreadTaskAdapter.java b/FtpComponent/src/main/java/com/arialyy/aria/ftp/BaseFtpThreadTaskAdapter.java
index a45dd810..34b6fe4c 100644
--- a/FtpComponent/src/main/java/com/arialyy/aria/ftp/BaseFtpThreadTaskAdapter.java
+++ b/FtpComponent/src/main/java/com/arialyy/aria/ftp/BaseFtpThreadTaskAdapter.java
@@ -34,8 +34,8 @@ import java.net.UnknownHostException;
 import javax.net.ssl.SSLContext;
 
 /**
- * @Author lyy
- * @Date 2019-09-18
+ * @author lyy
+ * Date: 2019-09-18
  */
 public abstract class BaseFtpThreadTaskAdapter extends AbsThreadTaskAdapter {
 
diff --git a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDLoaderUtil.java b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDLoaderUtil.java
index 8d5b5c67..e63ebd41 100644
--- a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDLoaderUtil.java
+++ b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDLoaderUtil.java
@@ -25,8 +25,8 @@ import com.arialyy.aria.core.loader.NormalThreadStateManager;
 import com.arialyy.aria.ftp.FtpTaskOption;
 
 /**
- * @Author lyy
- * @Date 2019-09-19
+ * @author lyy
+ * Date: 2019-09-19
  */
 public final class FtpDLoaderUtil extends AbsNormalLoaderUtil {
 
diff --git a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDRecordHandler.java b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDRecordHandler.java
index 53f8cf46..43ae5d23 100644
--- a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDRecordHandler.java
+++ b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDRecordHandler.java
@@ -27,8 +27,8 @@ import com.arialyy.aria.util.RecordUtil;
 import java.util.ArrayList;
 
 /**
- * @Author lyy
- * @Date 2019-09-19
+ * @author lyy
+ * Date: 2019-09-19
  */
 final class FtpDRecordHandler extends RecordHandler {
 
diff --git a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDThreadTaskAdapter.java b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDThreadTaskAdapter.java
index 0c017d68..104c41c5 100644
--- a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDThreadTaskAdapter.java
+++ b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpDThreadTaskAdapter.java
@@ -32,8 +32,8 @@ import java.nio.channels.FileChannel;
 import java.nio.channels.ReadableByteChannel;
 
 /**
- * @Author lyy
- * @Date 2019-09-18
+ * @author lyy
+ * Date: 2019-09-18
  */
 final class FtpDThreadTaskAdapter extends BaseFtpThreadTaskAdapter {
 
diff --git a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpSubDLoaderUtil.java b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpSubDLoaderUtil.java
index b8470408..63fb8a77 100644
--- a/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpSubDLoaderUtil.java
+++ b/FtpComponent/src/main/java/com/arialyy/aria/ftp/download/FtpSubDLoaderUtil.java
@@ -25,8 +25,8 @@ import com.arialyy.aria.core.loader.NormalTTBuilder;
 import com.arialyy.aria.core.loader.SubLoader;
 
 /**
- * @Author lyy
- * @Date 2019-09-28
+ * @author lyy
+ * Date: 2019-09-28
  */
 final class FtpSubDLoaderUtil extends AbsSubDLoadUtil {
   /**
diff --git a/FtpComponent/src/main/java/com/arialyy/aria/ftp/upload/FtpULoaderUtil.java b/FtpComponent/src/main/java/com/arialyy/aria/ftp/upload/FtpULoaderUtil.java
index 232eac2c..757fdb38 100644
--- a/FtpComponent/src/main/java/com/arialyy/aria/ftp/upload/FtpULoaderUtil.java
+++ b/FtpComponent/src/main/java/com/arialyy/aria/ftp/upload/FtpULoaderUtil.java
@@ -28,8 +28,8 @@ import com.arialyy.aria.core.upload.UTaskWrapper;
 import com.arialyy.aria.ftp.FtpTaskOption;
 
 /**
- * @Author lyy
- * @Date 2019-09-19
+ * @author lyy
+ * Date: 2019-09-19
  */
 public final class FtpULoaderUtil extends AbsNormalLoaderUtil {
 
diff --git a/HttpComponent/build.gradle b/HttpComponent/build.gradle
index e0fbecc6..d9e3222d 100644
--- a/HttpComponent/build.gradle
+++ b/HttpComponent/build.gradle
@@ -14,6 +14,9 @@ android {
   }
 
   buildTypes {
+    debug{
+      debuggable true
+    }
     release {
       minifyEnabled false
       proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
@@ -31,4 +34,8 @@ dependencies {
   implementation project(path: ':PublicComponent')
 }
 
-apply from: 'bintray-release.gradle'
\ No newline at end of file
+//apply from: 'bintray-release.gradle'
+ext{
+  PUBLISH_ARTIFACT_ID = 'http'
+}
+apply from: '../gradle/mavenCentral-release.gradle'
\ No newline at end of file
diff --git a/HttpComponent/src/main/java/com/arialyy/aria/http/BaseHttpThreadTaskAdapter.java b/HttpComponent/src/main/java/com/arialyy/aria/http/BaseHttpThreadTaskAdapter.java
index 07e81f36..d7e62ef4 100644
--- a/HttpComponent/src/main/java/com/arialyy/aria/http/BaseHttpThreadTaskAdapter.java
+++ b/HttpComponent/src/main/java/com/arialyy/aria/http/BaseHttpThreadTaskAdapter.java
@@ -20,8 +20,8 @@ import com.arialyy.aria.core.common.SubThreadConfig;
 import com.arialyy.aria.core.task.AbsThreadTaskAdapter;
 
 /**
- * @Author lyy
- * @Date 2019-09-22
+ * @author lyy
+ * Date: 2019-09-22
  */
 public abstract class BaseHttpThreadTaskAdapter extends AbsThreadTaskAdapter {
   protected HttpTaskOption mTaskOption;
diff --git a/HttpComponent/src/main/java/com/arialyy/aria/http/ConnectionHelp.java b/HttpComponent/src/main/java/com/arialyy/aria/http/ConnectionHelp.java
index f4e42747..f092c915 100644
--- a/HttpComponent/src/main/java/com/arialyy/aria/http/ConnectionHelp.java
+++ b/HttpComponent/src/main/java/com/arialyy/aria/http/ConnectionHelp.java
@@ -48,8 +48,6 @@ public final class ConnectionHelp {
 
   /**
    * 处理url参数
-   *
-   * @throws MalformedURLException
    */
   public static URL handleUrl(String url, HttpTaskOption taskDelegate)
       throws MalformedURLException {
@@ -127,8 +125,6 @@ public final class ConnectionHelp {
 
   /**
    * 设置头部参数
-   *
-   * @throws ProtocolException
    */
   public static HttpURLConnection setConnectParam(HttpTaskOption delegate, HttpURLConnection conn) {
     if (delegate.getRequestEnum() == RequestEnum.POST) {
diff --git a/HttpComponent/src/main/java/com/arialyy/aria/http/HttpRecordHandler.java b/HttpComponent/src/main/java/com/arialyy/aria/http/HttpRecordHandler.java
index aa3d0dea..777a8bf7 100644
--- a/HttpComponent/src/main/java/com/arialyy/aria/http/HttpRecordHandler.java
+++ b/HttpComponent/src/main/java/com/arialyy/aria/http/HttpRecordHandler.java
@@ -28,8 +28,8 @@ import com.arialyy.aria.util.RecordUtil;
 import java.util.ArrayList;
 
 /**
- * @Author lyy
- * @Date 2019-09-23
+ * @author lyy
+ * Date: 2019-09-23
  */
 public final class HttpRecordHandler extends RecordHandler {
   public HttpRecordHandler(AbsTaskWrapper wrapper) {
diff --git a/HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpDLoaderUtil.java b/HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpDLoaderUtil.java
index 5feaf9cd..d657c464 100644
--- a/HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpDLoaderUtil.java
+++ b/HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpDLoaderUtil.java
@@ -29,8 +29,8 @@ import com.arialyy.aria.http.HttpRecordHandler;
 import com.arialyy.aria.http.HttpTaskOption;
 
 /**
- * @Author lyy
- * @Date 2019-09-21
+ * @author lyy
+ * Date: 2019-09-21
  */
 public final class HttpDLoaderUtil extends AbsNormalLoaderUtil {
 
diff --git a/HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpSubDLoaderUtil.java b/HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpSubDLoaderUtil.java
index 75182bb2..4e9d1c64 100644
--- a/HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpSubDLoaderUtil.java
+++ b/HttpComponent/src/main/java/com/arialyy/aria/http/download/HttpSubDLoaderUtil.java
@@ -25,8 +25,8 @@ import com.arialyy.aria.core.loader.NormalTTBuilder;
 import com.arialyy.aria.core.loader.SubLoader;
 
 /**
- * @Author lyy
- * @Date 2019-09-28
+ * @author lyy
+ * Date: 2019-09-28
  */
 final class HttpSubDLoaderUtil extends AbsSubDLoadUtil {
   /**
diff --git a/HttpComponent/src/main/java/com/arialyy/aria/http/upload/HttpULoaderUtil.java b/HttpComponent/src/main/java/com/arialyy/aria/http/upload/HttpULoaderUtil.java
index 145fd92a..f7802d7a 100644
--- a/HttpComponent/src/main/java/com/arialyy/aria/http/upload/HttpULoaderUtil.java
+++ b/HttpComponent/src/main/java/com/arialyy/aria/http/upload/HttpULoaderUtil.java
@@ -29,8 +29,8 @@ import com.arialyy.aria.http.HttpRecordHandler;
 import com.arialyy.aria.http.HttpTaskOption;
 
 /**
- * @Author lyy
- * @Date 2019-09-19
+ * @author lyy
+ * Date: 2019-09-19
  */
 public final class HttpULoaderUtil extends AbsNormalLoaderUtil {
 
diff --git a/M3U8Component/build.gradle b/M3U8Component/build.gradle
index 744b384c..834a5421 100644
--- a/M3U8Component/build.gradle
+++ b/M3U8Component/build.gradle
@@ -15,6 +15,9 @@ android {
   }
 
   buildTypes {
+    debug{
+      debuggable true
+    }
     release {
       minifyEnabled false
       proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
@@ -33,4 +36,8 @@ dependencies {
   implementation project(path: ':PublicComponent')
 }
 
-apply from: 'bintray-release.gradle'
\ No newline at end of file
+//apply from: 'bintray-release.gradle'
+ext{
+  PUBLISH_ARTIFACT_ID = 'm3u8'
+}
+apply from: '../gradle/mavenCentral-release.gradle'
\ No newline at end of file
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/IdGenerator.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/IdGenerator.java
index 8543a82d..40ece721 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/IdGenerator.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/IdGenerator.java
@@ -7,11 +7,8 @@ public final class IdGenerator {
    * <p>
    * 主要就是三部分： 时间戳，进程id，序列号 时间戳41，id10位，序列号12位
    *
-   * @author chiwei
-   * @param args
    * @since JDK 1.6
    */
-
   private static volatile IdGenerator INSTANCE = null;
 
   private final static long beginTs = 1483200000000L;
diff --git a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/vod/VodRecordHandler.java b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/vod/VodRecordHandler.java
index d2a74b5f..cc0d8348 100644
--- a/M3U8Component/src/main/java/com/arialyy/aria/m3u8/vod/VodRecordHandler.java
+++ b/M3U8Component/src/main/java/com/arialyy/aria/m3u8/vod/VodRecordHandler.java
@@ -31,8 +31,8 @@ import java.io.File;
 import java.util.ArrayList;
 
 /**
- * @Author lyy
- * @Date 2019-09-24
+ * @author lyy
+ * Date: 2019-09-24
  */
 final class VodRecordHandler extends RecordHandler {
   private M3U8TaskOption mOption;
diff --git a/PublicComponent/build.gradle b/PublicComponent/build.gradle
index 1d3c39d0..bcf9571f 100644
--- a/PublicComponent/build.gradle
+++ b/PublicComponent/build.gradle
@@ -15,6 +15,9 @@ android {
   }
 
   buildTypes {
+    debug{
+      debuggable true
+    }
     release {
       minifyEnabled false
       proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
@@ -32,4 +35,8 @@ dependencies {
   testImplementation 'junit:junit:4.12'
 }
 
-apply from: 'bintray-release.gradle'
\ No newline at end of file
+//apply from: 'bintray-release.gradle'
+ext{
+  PUBLISH_ARTIFACT_ID = 'public'
+}
+apply from: '../gradle/mavenCentral-release.gradle'
\ No newline at end of file
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/TaskOptionParams.java b/PublicComponent/src/main/java/com/arialyy/aria/core/TaskOptionParams.java
index 3b85d586..1bac8498 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/TaskOptionParams.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/TaskOptionParams.java
@@ -38,8 +38,8 @@ import java.util.Map;
 /**
  * 任务配置参数
  *
- * @Author lyy
- * @Date 2019-09-10
+ * @author lyy
+ * Date: 2019-09-10
  */
 public class TaskOptionParams {
 
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/common/RecordHelper.java b/PublicComponent/src/main/java/com/arialyy/aria/core/common/RecordHelper.java
index 8f2490a1..365663a4 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/common/RecordHelper.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/common/RecordHelper.java
@@ -29,8 +29,8 @@ import java.io.IOException;
 /**
  * 任务记录帮助类，用于处理统一的逻辑
  *
- * @Author lyy
- * @Date 2019-09-19
+ * @author lyy
+ * Date: 2019-09-19
  */
 public class RecordHelper {
   private String TAG = CommonUtil.getClassName(getClass());
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/inf/IEventHandler.java b/PublicComponent/src/main/java/com/arialyy/aria/core/inf/IEventHandler.java
index 560e8410..f2d1628a 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/inf/IEventHandler.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/inf/IEventHandler.java
@@ -18,8 +18,8 @@ package com.arialyy.aria.core.inf;
 /**
  * 事件处理对象
  *
- * @Author lyy
- * @Date 2019-09-10
+ * @author lyy
+ * Date: 2019-09-10
  */
 public interface IEventHandler {
 }
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/inf/IOptionConstant.java b/PublicComponent/src/main/java/com/arialyy/aria/core/inf/IOptionConstant.java
index e63ef70b..57321057 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/inf/IOptionConstant.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/inf/IOptionConstant.java
@@ -16,8 +16,8 @@
 package com.arialyy.aria.core.inf;
 
 /**
- * @Author lyy
- * @Date 2019-09-10
+ * @author lyy
+ * Date: 2019-09-10
  */
 public interface IOptionConstant {
   // ftp 任务设置常量
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/ILoaderAdapter.java b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/ILoaderAdapter.java
index 4408dbd8..004d592e 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/ILoaderAdapter.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/ILoaderAdapter.java
@@ -21,8 +21,8 @@ import com.arialyy.aria.core.wrapper.AbsTaskWrapper;
 import com.arialyy.aria.core.common.SubThreadConfig;
 
 /**
- * @Author lyy
- * @Date 2019-09-18
+ * @author lyy
+ * Date: 2019-09-18
  */
 public interface ILoaderAdapter {
 
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/IRecordHandler.java b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/IRecordHandler.java
index 7f88fc9c..c7c77329 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/loader/IRecordHandler.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/loader/IRecordHandler.java
@@ -19,8 +19,8 @@ import com.arialyy.aria.core.TaskRecord;
 import com.arialyy.aria.core.ThreadRecord;
 
 /**
- * @Author lyy
- * @Date 2019-09-18
+ * @author lyy
+ * Date: 2019-09-18
  */
 public interface IRecordHandler extends ILoaderComponent {
 
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/processor/ProxyHandler.java b/PublicComponent/src/main/java/com/arialyy/aria/core/processor/ProxyHandler.java
index be6d2c10..a3a8ea3c 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/processor/ProxyHandler.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/processor/ProxyHandler.java
@@ -21,8 +21,8 @@ import java.lang.reflect.Method;
 import java.lang.reflect.Proxy;
 
 /**
- * @Author lyy
- * @Date 2019-10-7
+ * @author lyy
+ * Date: 2019-10-7
  * 处理器的动态代理
  */
 public class ProxyHandler implements InvocationHandler {
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsThreadTaskAdapter.java b/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsThreadTaskAdapter.java
index b72dc15c..a58f4c85 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsThreadTaskAdapter.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/task/AbsThreadTaskAdapter.java
@@ -24,8 +24,8 @@ import com.arialyy.aria.util.BandwidthLimiter;
 import com.arialyy.aria.util.CommonUtil;
 
 /**
- * @Author lyy
- * @Date 2019-09-18
+ * @author lyy
+ * Date: 2019-09-18
  */
 public abstract class AbsThreadTaskAdapter implements IThreadTaskAdapter {
 
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTask.java b/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTask.java
index 1077d357..368db5f3 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTask.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTask.java
@@ -18,8 +18,8 @@ package com.arialyy.aria.core.task;
 import java.util.concurrent.Callable;
 
 /**
- * @Author lyy
- * @Date 2019-09-18
+ * @author lyy
+ * Date: 2019-09-18
  */
 public interface IThreadTask extends Callable<IThreadTask> {
 
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskAdapter.java b/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskAdapter.java
index 1e1a1102..d325f22e 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskAdapter.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskAdapter.java
@@ -18,8 +18,8 @@ package com.arialyy.aria.core.task;
 /**
  * 线程适配器
  *
- * @Author lyy
- * @Date 2019-09-18
+ * @author lyy
+ * Date: 2019-09-18
  */
 public interface IThreadTaskAdapter {
 
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskObserver.java b/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskObserver.java
index 9460ff7f..ee092e8d 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskObserver.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/core/task/IThreadTaskObserver.java
@@ -22,8 +22,8 @@ import com.arialyy.aria.exception.AriaException;
 /**
  * 线程任务观察者
  *
- * @Author lyy
- * @Date 2019-09-18
+ * @author lyy
+ * Date: 2019-09-18
  */
 public interface IThreadTaskObserver {
 
diff --git a/PublicComponent/src/main/java/com/arialyy/aria/util/ComponentUtil.java b/PublicComponent/src/main/java/com/arialyy/aria/util/ComponentUtil.java
index 76fd0392..88e51222 100644
--- a/PublicComponent/src/main/java/com/arialyy/aria/util/ComponentUtil.java
+++ b/PublicComponent/src/main/java/com/arialyy/aria/util/ComponentUtil.java
@@ -34,8 +34,8 @@ import java.util.List;
 /**
  * 组件工具，用于跨组件创建对应的工具类
  *
- * @Author lyy
- * @Date 2019-09-23
+ * @author lyy
+ * Date: 2019-09-23
  */
 public class ComponentUtil {
   public static final int COMPONENT_TYPE_HTTP = 1;
diff --git a/README.md b/README.md
index 93342d45..5034c386 100644
--- a/README.md
+++ b/README.md
@@ -53,11 +53,11 @@ Aria有以下特点：
 
 
 ```java
-implementation 'com.arialyy.aria:core:3.8.15'
-annotationProcessor 'com.arialyy.aria:compiler:3.8.15'
-implementation 'com.arialyy.aria:ftpComponent:3.8.15' # 如果需要使用ftp，请增加该组件
-implementation 'com.arialyy.aria:sftpComponent:3.8.15' # 如果需要使用ftp，请增加该组件
-implementation 'com.arialyy.aria:m3u8Component:3.8.15' # 如果需要使用m3u8下载功能，请增加该组件
+implementation 'me.laoyuyu.aria:core:3.8.16'
+annotationProcessor 'me.laoyuyu.aria:compiler:3.8.16'
+implementation 'me.laoyuyu.aria:ftp:3.8.16' # 如果需要使用ftp，请增加该组件
+implementation 'me.laoyuyu.aria:sftp:3.8.16' # 如果需要使用ftp，请增加该组件
+implementation 'me.laoyuyu.aria:m3u8:3.8.16' # 如果需要使用m3u8下载功能，请增加该组件
 ```
 
 如果你使用的是kotlin，请使用kotlin官方提供的方法配置apt，[kotlin kapt官方配置传送门](https://www.kotlincn.net/docs/reference/kapt.html)
@@ -138,11 +138,13 @@ protected void onCreate(Bundle savedInstanceState) {
 
 
 ### 版本日志
-  + v_3.8.15 (2020/11/9)
-    - 修复不支持断点的连接下载失败问题，https://github.com/AriaLyy/Aria/issues/771
-    - 修复iv不存在时，索引文件异常的问题，https://github.com/AriaLyy/Aria/issues/780
-    - fix bug https://github.com/AriaLyy/Aria/issues/799
-    - fix bug https://github.com/AriaLyy/Aria/issues/798
+  + v_3.8.16
+    - 修复单线程下载时，文件已经完成，重复下载回调下载失败的问题
+    - 修复一个重新下载文件时，同名路径文件没有被被删除的问题
+    - fix bug https://github.com/AriaLyy/Aria/issues/807
+    - fix bug https://github.com/AriaLyy/Aria/issues/811
+    - fix bug https://github.com/AriaLyy/Aria/issues/851
+    - 修复组合任务在获取子任务信息的过程中，手动停止或删除，没有回调的问题
 
 [更多版本记录](https://github.com/AriaLyy/Aria/blob/master/DEV_LOG.md)
 
diff --git a/SFtpComponent/build.gradle b/SFtpComponent/build.gradle
index 54755e11..66af9f6e 100644
--- a/SFtpComponent/build.gradle
+++ b/SFtpComponent/build.gradle
@@ -15,6 +15,9 @@ android {
   }
 
   buildTypes {
+    debug{
+      debuggable true
+    }
     release {
       minifyEnabled false
       proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
@@ -34,4 +37,8 @@ dependencies {
   implementation project(path: ':PublicComponent')
 }
 
-apply from: 'bintray-release.gradle'
+//apply from: 'bintray-release.gradle'
+ext{
+  PUBLISH_ARTIFACT_ID = 'sftp'
+}
+apply from: '../gradle/mavenCentral-release.gradle'
\ No newline at end of file
diff --git a/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDRecordHandler.java b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDRecordHandler.java
index 4cb46605..7a923dd3 100644
--- a/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDRecordHandler.java
+++ b/SFtpComponent/src/main/java/com/arialyy/aria/sftp/download/SFtpDRecordHandler.java
@@ -27,8 +27,8 @@ import com.arialyy.aria.util.RecordUtil;
 import java.util.ArrayList;
 
 /**
- * @Author lyy
- * @Date 2019-09-19
+ * @author lyy
+ * Date: 2019-09-19
  */
 final class SFtpDRecordHandler extends RecordHandler {
 
diff --git a/app/build.gradle b/app/build.gradle
index a2e970f6..a317d495 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -30,6 +30,10 @@ android {
   }
 
   buildTypes {
+    debug {
+      debuggable true
+      minifyEnabled false //混淆
+    }
     release {
       zipAlignEnabled true
       minifyEnabled true
@@ -50,11 +54,6 @@ android {
   lintOptions {
     abortOnError false
   }
-
-  //  sourceSets {
-  //    main.kotlin.srcDirs += 'src/main/kotlin'
-  //    main.java.srcDirs += 'src/main/java'
-  //  }
 }
 
 dependencies {
diff --git a/app/src/main/res/values/attr.xml b/app/src/main/res/values/attr.xml
index f69e48d4..51fee28a 100644
--- a/app/src/main/res/values/attr.xml
+++ b/app/src/main/res/values/attr.xml
@@ -16,6 +16,6 @@
 
   <declare-styleable name="SvgTextView">
     <attr format="reference" name="svg_text_view_icon"/>
-    <attr name="text"/>
+    <attr format="reference" name="text"/>
   </declare-styleable>
 </resources>
\ No newline at end of file
diff --git a/build.gradle b/build.gradle
index ed3ff2e5..39e7ddb7 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,7 +1,7 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
 //  ext.kotlin_version = '1.3.20'
-  ext.kotlin_version = '1.3.41'
+  ext.kotlin_version = '1.4.30'
   repositories {
     jcenter()
     mavenCentral()
@@ -9,12 +9,10 @@ buildscript {
     maven { url 'https://jitpack.io' }
   }
   dependencies {
-//    classpath 'com.android.tools.build:gradle:2.3.3'
-//    classpath 'com.android.tools.build:gradle:3.3.2'
-    classpath 'com.android.tools.build:gradle:3.4.0'
-    classpath 'com.novoda:bintray-release:0.9.1'
-//    classpath 'com.novoda:bintray-release:0.9'
+    classpath 'com.android.tools.build:gradle:4.1.3'
+//    classpath 'com.novoda:bintray-release:0.9.1'
     classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:${kotlin_version}"
+    classpath "org.jetbrains.dokka:dokka-gradle-plugin:1.4.30" // kotlin 文档引擎
     //        classpath 'com.jfrog.bintray.gradle:gradle-bintray-plugin:1.7'
     //        classpath 'com.github.dcendents:android-maven-gradle-plugin:1.5'
     // NOTE: Do not place your application dependencies here; they belong
@@ -52,13 +50,26 @@ ext {
 //  publishVersion = '1.0.4'  //FTP插件
   repoName='maven'
 //  repoName='aria'
+
   desc = 'android 下载框架'
   website = 'https://github.com/AriaLyy/Aria'
   licences = ['Apache-2.0']
 
+  // mavenCentral
+  mavenVersion = '3.8.16'
+  mavenCentralGroupId = 'me.laoyuyu.aria'
+  mavenCentralUserID = 'laoyuyu'
+  mavenCentralUserName = 'laoyuyu'
+  mavenCentralEmail = '511455842@qq.com'
+  mavenCentralLicences = 'Apache-2.0'
+  mavenCentralLicencesURL = 'https://www.apache.org/licenses/LICENSE-2.0'
+  mavenCentralConnection = 'scm:git:github.com/AriaLyy/Aria.git'
+  mavenCentralDeveloperConnection = 'scm:git:ssh://github.com/AriaLyy/Aria.git'
+  mavenCentralTreeURL = 'https://github.com/AriaLyy/KeepassA/tree/master'
+
   compileSdkVersion = 28
   supportLibVersion = "27.1.1"
-  buildToolsVersion = "28.0.3"
+  buildToolsVersion = "29.0.2"
   targetSdkVersion = 28
   lifecycleVersion = "1.1.1"
   minSdkVersion = 15
diff --git a/gradle.properties b/gradle.properties
index 77a70819..6f79f6b4 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -25,4 +25,7 @@ android.useAndroidX=true
 android.enableJetifier=true
 
 #org.gradle.daemon=true
-#org.gradle.jvmargs=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005
\ No newline at end of file
+#org.gradle.jvmargs=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=5005
+ISLOCAL=false
+JAR_PREFIX=aria-
+JAR_POSTFIX=core
\ No newline at end of file
diff --git a/gradle/mavenCentral-release.gradle b/gradle/mavenCentral-release.gradle
new file mode 100644
index 00000000..22093bfc
--- /dev/null
+++ b/gradle/mavenCentral-release.gradle
@@ -0,0 +1,216 @@
+apply plugin: 'maven-publish'
+apply plugin: 'signing'
+
+ext {
+  PUBLISH_GROUP_ID = rootProject.ext.mavenCentralGroupId
+  PUBLISH_VERSION = rootProject.ext.mavenVersion
+}
+
+
+//编译groovy代码时采用 UTF-8
+tasks.withType(GroovyCompile) {
+  groovyOptions.encoding = "UTF-8"
+}
+//编译JAVA文件时采用UTF-8
+tasks.withType(JavaCompile) {
+  options.encoding = "UTF-8"
+}
+
+// java doc 采用utf-8
+// https://docs.gradle.org/current/dsl/org.gradle.api.tasks.javadoc.Javadoc.html#org.gradle.api.tasks.javadoc.Javadoc:options
+tasks.withType(Javadoc) {
+  if(JavaVersion.current().isJava9Compatible()) {
+    options.addBooleanOption('html5', true)
+  }
+  options {
+    encoding "UTF-8"
+    charSet 'UTF-8'
+    links "http://docs.oracle.com/javase/7/docs/api"
+    addStringOption('Xdoclint:none', '-quiet') // 忽略检查@params 和 @return
+  }
+}
+
+ext["signing.keyId"] = ''
+ext["signing.password"] = ''
+ext["signing.secretKeyRingFile"] = ''
+ext["ossrhUsername"] = ''
+ext["ossrhPassword"] = ''
+
+File secretPropsFile = project.rootProject.file('local.properties')
+if (secretPropsFile.exists()) {
+  println "Found secret props file, loading props"
+  Properties p = new Properties()
+  p.load(new FileInputStream(secretPropsFile))
+  p.each { name, value ->
+    ext[name] = value
+  }
+} else {
+  println "No props file, loading env vars"
+}
+
+static def localMavenRepo() {
+  'file://' + new File(System.getProperty('user.home'), '.m2/repository').absolutePath
+}
+
+def getReleaseRepositoryUrl() {
+  return isLocal() ? localMavenRepo()
+      : hasProperty('RELEASE_REPOSITORY_URL') ? RELEASE_REPOSITORY_URL
+      : 'https://s01.oss.sonatype.org/service/local/staging/deploy/maven2/'
+}
+
+def getSnapshotRepositoryUrl() {
+  return isLocal() ? localMavenRepo()
+      : hasProperty('SNAPSHOT_REPOSITORY_URL') ? SNAPSHOT_REPOSITORY_URL
+      : 'https://s01.oss.sonatype.org/content/repositories/snapshots/'
+}
+
+def isLocal(){
+  return ISLOCAL == 'true'
+}
+
+afterEvaluate { project ->
+  if (isLocal()) {
+    println("上传到本地仓库")
+  } else {
+    println("上传到中央仓库")
+  }
+  publishing {
+    def isAndroidProject = project.plugins.hasPlugin('com.android.application') || project.
+        plugins.
+        hasPlugin('com.android.library')
+    publications {
+      release(MavenPublication) {
+        // groupId 等信息
+        groupId PUBLISH_GROUP_ID
+        artifactId PUBLISH_ARTIFACT_ID
+        version PUBLISH_VERSION
+
+        if (isAndroidProject) {
+          // 移除R文件，移除BuildConfig文件
+          generateReleaseBuildConfig.enabled = false
+          generateDebugBuildConfig.enabled = false
+          generateReleaseResValues.enabled = false
+          generateDebugResValues.enabled = false
+          // 使用了这个组件，就不需要自己aar、pom.withxml了
+          from components.release
+
+          def variants = project.android.libraryVariants.findAll {
+            it.buildType.name.equalsIgnoreCase('debug')
+          }
+
+          def getAndroidSdkDirectory = project.android.sdkDirectory
+
+          def getAndroidJar = "${getAndroidSdkDirectory}/platforms/${project.android.compileSdkVersion}/android.jar"
+
+          task androidJavadocs(type: Javadoc, dependsOn: assembleDebug) {
+            println("开始打包aar")
+            source = variants.collect { it.getJavaCompileProvider().get().source }
+            classpath = files(
+                getAndroidJar,
+                project.file("build/intermediates/classes/debug")
+            )
+            doFirst {
+              classpath += files(variants.collect { it.javaCompile.classpath.files })
+            }
+            options {
+              links("http://docs.oracle.com/javase/7/docs/api/")
+              linksOffline("http://d.android.com/reference",
+                  "${getAndroidSdkDirectory}/docs/reference")
+              encoding "UTF-8"
+              charSet 'UTF-8'
+              addStringOption('Xdoclint:none', '-quiet') // 忽略检查@params 和 @return
+            }
+
+            exclude '**/R.java'
+            exclude "**/BuildConfig.class"
+          }
+
+          def cleanJavadocTask = task("cleanJavadocTask", type: Delete) {
+            delete androidJavadocs.destinationDir
+          } as Task
+          project.clean.dependsOn(cleanJavadocTask)
+
+          task androidJavadocsJar(type: Jar, dependsOn: androidJavadocs) {
+            classifier = 'javadoc'
+            from androidJavadocs.destinationDir
+            baseName "${JAR_PREFIX}${project.name}"
+          }
+
+          task androidSourcesJar(type: Jar) {
+            classifier = 'sources'
+            from project.android.sourceSets.main.java.source
+            baseName "${JAR_PREFIX}${project.name}"
+
+            exclude "**/R.class"
+            exclude "**/BuildConfig.class"
+          }
+
+          task androidLibraryJar(type: Jar, dependsOn: compileDebugJavaWithJavac
+              /* == variant.javaCompile */) {
+            // java 编译后的 class文件, build/intermediates/classes/debug/
+            from compileDebugJavaWithJavac.destinationDir
+            //  kotlin 编译后的 class文件
+            from 'build/tmp/kotlin-classes/debug/'
+            //    指定需要被打包成 jar 的文件夹
+            //            include('libs/**')
+            exclude '**/R.class'
+            exclude '**/R$*.class'
+            exclude "**/BuildConfig.class"
+            baseName "${JAR_PREFIX}${project.name}-cache"
+          }
+
+          artifact androidLibraryJar
+          artifact androidSourcesJar
+          artifact androidJavadocsJar
+
+        } else if (project.plugins.hasPlugin('java')) {
+          from components.java
+        }
+
+        pom {
+          name = PUBLISH_ARTIFACT_ID
+          description = rootProject.ext.desc
+          url = rootProject.ext.website
+          licenses {
+            license {
+              //协议类型，一般默认Apache License2.0的话不用改：
+              name = rootProject.ext.mavenCentralLicences
+              url = rootProject.ext.mavenCentralLicencesURL
+            }
+          }
+          developers {
+            developer {
+              id = rootProject.ext.mavenCentralUserID
+              name = rootProject.ext.mavenCentralUserName
+              email = rootProject.ext.mavenCentralEmail
+            }
+          }
+          scm {
+            //修改成你的Git地址：
+            connection = rootProject.ext.mavenCentralConnection
+            developerConnection = rootProject.ext.mavenCentralDeveloperConnection
+            //分支地址：
+            url = rootProject.ext.mavenCentralTreeURL
+          }
+        }
+      }
+    }
+    repositories {
+      maven {
+        name = "mavencentral"
+
+        def releasesRepoUrl = getReleaseRepositoryUrl()
+        def snapshotsRepoUrl = getSnapshotRepositoryUrl()
+        url = version.endsWith('SNAPSHOT') ? snapshotsRepoUrl : releasesRepoUrl
+
+        credentials {
+          username ossrhUsername
+          password ossrhPassword
+        }
+      }
+    }
+  }
+  signing {
+    sign publishing.publications
+  }
+}
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index 440edac9..6cbf6275 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -4,4 +4,5 @@ distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
 #distributionUrl=https\://services.gradle.org/distributions/gradle-4.10.1-all.zip
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
+#distributionUrl=https\://services.gradle.org/distributions/gradle-5.4.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-all.zip