diff --git a/README.md b/README.md
index bbbd3cd..6388365 100644
--- a/README.md
+++ b/README.md
@@ -121,6 +121,7 @@ Printer filePrinter = new FilePrinter                      // Printer that print
     .backupStrategy(new NeverBackupStrategy())             // Default: FileSizeBackupStrategy(1024 * 1024)
     .cleanStrategy(new FileLastModifiedCleanStrategy(MAX_TIME))     // Default: NeverCleanStrategy()
     .flattener(new MyFlattener())                          // Default: DefaultFlattener
+    .writer(new MyWriter())                                // Default: SimpleWriter
     .build();
 
 XLog.init(                                                 // Initialize XLog
diff --git a/README_ZH.md b/README_ZH.md
index 4563064..e58c83d 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -121,6 +121,7 @@ Printer filePrinter = new FilePrinter                      // 打印日志到文
     .backupStrategy(new NeverBackupStrategy())             // 指定日志文件备份策略，默认为 FileSizeBackupStrategy(1024 * 1024)
     .cleanStrategy(new FileLastModifiedCleanStrategy(MAX_TIME))     // 指定日志文件清除策略，默认为 NeverCleanStrategy()
     .flattener(new MyFlattener())                          // 指定日志平铺器，默认为 DefaultFlattener
+    .writer(new MyWriter())                                // 指定日志写入器，默认为 SimpleWriter
     .build();
 
 XLog.init(                                                 // 初始化 XLog
diff --git a/xlog-sample/src/main/java/com/elvishew/xlogsample/XLogSampleApplication.java b/xlog-sample/src/main/java/com/elvishew/xlogsample/XLogSampleApplication.java
index 27f757a..6d26988 100644
--- a/xlog-sample/src/main/java/com/elvishew/xlogsample/XLogSampleApplication.java
+++ b/xlog-sample/src/main/java/com/elvishew/xlogsample/XLogSampleApplication.java
@@ -17,6 +17,7 @@
 package com.elvishew.xlogsample;
 
 import android.app.Application;
+import android.os.Build;
 
 import com.elvishew.xlog.LogConfiguration;
 import com.elvishew.xlog.LogLevel;
@@ -28,6 +29,7 @@
 import com.elvishew.xlog.printer.Printer;
 import com.elvishew.xlog.printer.file.FilePrinter;
 import com.elvishew.xlog.printer.file.naming.DateFileNameGenerator;
+import com.elvishew.xlog.printer.file.writer.SimpleWriter;
 
 import java.io.File;
 
@@ -77,6 +79,21 @@ private void initXlog() {
         // .backupStrategy(new MyBackupStrategy())             // Default: FileSizeBackupStrategy(1024 * 1024)
         // .cleanStrategy(new FileLastModifiedCleanStrategy(MAX_TIME))     // Default: NeverCleanStrategy()
         .flattener(new ClassicFlattener())                     // Default: DefaultFlattener
+        .writer(new SimpleWriter() {                           // Default: SimpleWriter
+          @Override
+          public void onNewFileCreated(File file) {
+            super.onNewFileCreated(file);
+            final String header = "\n>>>>>>>>>>>>>>>> File Header >>>>>>>>>>>>>>>>" +
+                    "\nDevice Manufacturer: " + Build.MANUFACTURER +
+                    "\nDevice Model       : " + Build.MODEL +
+                    "\nAndroid Version    : " + Build.VERSION.RELEASE +
+                    "\nAndroid SDK        : " + Build.VERSION.SDK_INT +
+                    "\nApp VersionName    : " + BuildConfig.VERSION_NAME +
+                    "\nApp VersionCode    : " + BuildConfig.VERSION_CODE +
+                    "\n<<<<<<<<<<<<<<<< File Header <<<<<<<<<<<<<<<<\n\n";
+            appendLog(header);
+          }
+        })
         .build();
 
     XLog.init(                                                 // Initialize XLog
diff --git a/xlog/src/main/java/com/elvishew/xlog/printer/file/writer/SimpleWriter.java b/xlog/src/main/java/com/elvishew/xlog/printer/file/writer/SimpleWriter.java
index 3bddf48..e93c400 100644
--- a/xlog/src/main/java/com/elvishew/xlog/printer/file/writer/SimpleWriter.java
+++ b/xlog/src/main/java/com/elvishew/xlog/printer/file/writer/SimpleWriter.java
@@ -104,7 +104,7 @@ public String getOpenedFileName() {
    * <p>
    * Called in worker thread.
    *
-   * @param file the newly create log file
+   * @param file the newly created log file
    */
   public void onNewFileCreated(File file) {
   }