diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java
index fc1668db..1604b2f1 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/DownloadManager.java
@@ -61,7 +61,6 @@ public class DownloadManager {
 
     private DownloadManager(Context context) {
         mContext = context;
-//        ACTION_RUNNING = context.getPackageName();
     }
 
     public static DownloadManager getInstance(Context context) {
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/CancelCommand.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/CancelCommand.java
index dbdf0c83..5788db4e 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/CancelCommand.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/CancelCommand.java
@@ -7,9 +7,9 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
  * Created by lyy on 2016/9/20.
  * 取消命令
  */
-public class CancelCommand extends IDownloadCommand {
+class CancelCommand extends IDownloadCommand {
 
-  protected CancelCommand(Context context, DownloadEntity entity) {
+  CancelCommand(Context context, DownloadEntity entity) {
     super(context, entity);
   }
 
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StateCommand.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StateCommand.java
index a2980167..3447a1c0 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StateCommand.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StateCommand.java
@@ -7,13 +7,13 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
  * Created by lyy on 2016/9/20.
  * 获取下载状态的命令
  */
-public class StateCommand extends IDownloadCommand {
+class StateCommand extends IDownloadCommand {
 
   /**
    * @param context context
    * @param entity 下载实体
    */
-  protected StateCommand(Context context, DownloadEntity entity) {
+  StateCommand(Context context, DownloadEntity entity) {
     super(context, entity);
   }
 
diff --git a/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StopCommand.java b/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StopCommand.java
index 4c6ec43f..22f32bd7 100644
--- a/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StopCommand.java
+++ b/downloadutil/src/main/java/com/arialyy/downloadutil/core/command/StopCommand.java
@@ -7,13 +7,13 @@ import com.arialyy.downloadutil.entity.DownloadEntity;
  * Created by lyy on 2016/9/20.
  * 停止命令
  */
-public class StopCommand extends IDownloadCommand {
+class StopCommand extends IDownloadCommand {
 
   /**
    * @param context context
    * @param entity 下载实体
    */
-  protected StopCommand(Context context, DownloadEntity entity) {
+  StopCommand(Context context, DownloadEntity entity) {
     super(context, entity);
   }