diff --git a/app/src/main/java/com/huxq17/download/demo/MainActivity.java b/app/src/main/java/com/huxq17/download/demo/MainActivity.java
index 545da23..8097a1a 100644
--- a/app/src/main/java/com/huxq17/download/demo/MainActivity.java
+++ b/app/src/main/java/com/huxq17/download/demo/MainActivity.java
@@ -59,8 +59,7 @@ public void onClick(View v) {
                 }
 
                 Pump.newRequest(downloadUrl)
-//                        .setRequestBuilder(new Request.Builder()
-//                                .addHeader("referer", "http://www.mtv-ktv.net/mv/mtv15/ktv143092.htm"))
+                        .setRequestBuilder(new Request.Builder())
                         .listener(new DownloadListener(MainActivity.this) {
 
                             @Override
diff --git a/library/src/main/java/com/huxq17/download/core/DownloadRequest.java b/library/src/main/java/com/huxq17/download/core/DownloadRequest.java
index fc1d0a0..d81d33b 100644
--- a/library/src/main/java/com/huxq17/download/core/DownloadRequest.java
+++ b/library/src/main/java/com/huxq17/download/core/DownloadRequest.java
@@ -186,8 +186,8 @@ public DownloadGenerator disableBreakPointDownload() {
         }
 
         /**
-         * Pump will connect server by this OKHttp request builder,so you can customize http request.
-         * For example,you can specify http method,http head and http params.
+         * Pump will connect server by this OKHttp request builder,so you can customize download's http request.
+         * For example,you can specify http method, head and params.
          * If http method isn't GET,will use {@link DownloadGenerator#disableBreakPointDownload()} to improve download speed.
          *
          * @param httpRequestBuilder OKHttp request builder