diff --git a/.idea/misc.xml b/.idea/misc.xml
index f3bb6bd..ba1e163 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -13,6 +13,7 @@
       </map>
     </option>
   </component>
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
   <component name="ProjectRootManager" version="2" languageLevel="JDK_11" default="true" project-jdk-name="11" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/build/classes" />
   </component>
diff --git a/app/src/main/java/com/ixuea/android/downloader/simple/activity/SimpleActivity.java b/app/src/main/java/com/ixuea/android/downloader/simple/activity/SimpleActivity.java
index 01f2a6f..f686c17 100644
--- a/app/src/main/java/com/ixuea/android/downloader/simple/activity/SimpleActivity.java
+++ b/app/src/main/java/com/ixuea/android/downloader/simple/activity/SimpleActivity.java
@@ -30,7 +30,7 @@
  */
 public class SimpleActivity extends BaseActivity implements View.OnClickListener {
 
-    public static final String DEFAULT_URL = "https://3b8637d9f6c334dab555e2afbdc16687.dlied1.cdntips.net/imtt.dd.qq.com/16891/apk/49F7A4E3B47E5828D02B2A10C580DB65.apk";
+    public static final String DEFAULT_URL = "http://212.183.159.230/5MB.zip";
 
 
     private TextView tv_download_info;
@@ -122,6 +122,7 @@ private void createDownload() {
         String path = d.getAbsolutePath().concat("/").concat("a.apk");
         downloadInfo = new DownloadInfo.Builder().setUrl(DEFAULT_URL)
                 .setPath(path)
+                .setShowProgressLog(false)
                 .build();
         setDownloadListener();
         downloadManager.download(downloadInfo);
diff --git a/downloader/src/main/java/com/ixuea/android/downloader/core/thread/DownloadThread.java b/downloader/src/main/java/com/ixuea/android/downloader/core/thread/DownloadThread.java
index cbd96dd..05e96f2 100644
--- a/downloader/src/main/java/com/ixuea/android/downloader/core/thread/DownloadThread.java
+++ b/downloader/src/main/java/com/ixuea/android/downloader/core/thread/DownloadThread.java
@@ -103,12 +103,15 @@ private void executeDownload() {
                     downloadProgressListener.onProgress();
                     //          }
 
-                    Log.d(TAG,
-                            "downloadInfo:" + downloadInfo.getId() + " thread:" + downloadThreadInfo.getThreadId()
-                                    + " progress:"
-                                    + downloadThreadInfo.getProgress()
-                                    + ",start:" + downloadThreadInfo.getStart() + ",end:" + downloadThreadInfo
-                                    .getEnd());
+                    // if true then show log
+                    if(downloadInfo.isShowDownloadLog()){
+                        Log.d(TAG,
+                                "downloadInfo:" + downloadInfo.getId() + " thread:" + downloadThreadInfo.getThreadId()
+                                        + " progress:"
+                                        + downloadThreadInfo.getProgress()
+                                        + ",start:" + downloadThreadInfo.getStart() + ",end:" + downloadThreadInfo
+                                        .getEnd());
+                    }
                 }
 
                 //downloadInfo success
diff --git a/downloader/src/main/java/com/ixuea/android/downloader/domain/DownloadInfo.java b/downloader/src/main/java/com/ixuea/android/downloader/domain/DownloadInfo.java
index 9379139..b8cfd9c 100644
--- a/downloader/src/main/java/com/ixuea/android/downloader/domain/DownloadInfo.java
+++ b/downloader/src/main/java/com/ixuea/android/downloader/domain/DownloadInfo.java
@@ -75,6 +75,16 @@ public class DownloadInfo implements Serializable {
      */
     private int supportRanges;
 
+    // to show or hide download progress LOG
+    private boolean showDownloadLog = true;
+
+    public boolean isShowDownloadLog() {
+        return showDownloadLog;
+    }
+    public void setShowDownloadLog(boolean showDownloadLog) {
+        this.showDownloadLog = showDownloadLog;
+    }
+
     private List<DownloadThreadInfo> downloadThreadInfos;
 
 
@@ -217,6 +227,7 @@ public static final class Builder {
         private long createAt = -1;
         private String url;
         private String path;
+        private boolean showProgressLog=true;
 
         public Builder() {
 
@@ -228,6 +239,12 @@ public Builder setCreateAt(long createAt) {
             return this;
         }
 
+        public Builder setShowProgressLog(boolean showProgressLog) {
+            this.showProgressLog = showProgressLog;
+            return this;
+
+        }
+
 
         public Builder setUrl(String url) {
             this.url = url;
@@ -271,6 +288,7 @@ public DownloadInfo build() {
             } else {
                 downloadInfo.setId(id);
             }
+            downloadInfo.setShowDownloadLog(this.showProgressLog);
 
             return downloadInfo;
         }