diff --git a/src/main/scala/app/AccountController.scala b/src/main/scala/app/AccountController.scala
index 4560267..8311654 100644
--- a/src/main/scala/app/AccountController.scala
+++ b/src/main/scala/app/AccountController.scala
@@ -135,9 +135,7 @@
   get("/:userName/_avatar"){
     val userName = params("userName")
     getAccountByUserName(userName).flatMap(_.image).map { image =>
-      outputUploadedRawData(
-        FileUtil.getMimeType(image),
-        new java.io.File(getUserUploadDir(userName), image))
+      RawData(FileUtil.getMimeType(image), new java.io.File(getUserUploadDir(userName), image))
     } getOrElse {
       contentType = "image/png"
       Thread.currentThread.getContextClassLoader.getResourceAsStream("noimage.png")
diff --git a/src/main/scala/app/ControllerBase.scala b/src/main/scala/app/ControllerBase.scala
index be8d37a..8a184f0 100644
--- a/src/main/scala/app/ControllerBase.scala
+++ b/src/main/scala/app/ControllerBase.scala
@@ -134,8 +134,10 @@
     if (path.startsWith("http")) path
     else baseUrl + super.url(path, params, false, false, false)
 
-  /** against XSS */
-  def outputUploadedRawData[DATATYPE](contentType: String, rawData: DATATYPE): DATATYPE = {
+  /**
+   * Use this method to response the raw data against XSS.
+   */
+  protected def RawData[T](contentType: String, rawData: T): T = {
     if(contentType.split(";").head.trim.toLowerCase.startsWith("text/html")){
       this.contentType = "text/plain"
     } else {
diff --git a/src/main/scala/app/IssuesController.scala b/src/main/scala/app/IssuesController.scala
index 7abab1a..063b8b2 100644
--- a/src/main/scala/app/IssuesController.scala
+++ b/src/main/scala/app/IssuesController.scala
@@ -292,7 +292,7 @@
     (Directory.getAttachedDir(repository.owner, repository.name) match {
       case dir if(dir.exists && dir.isDirectory) =>
         dir.listFiles.find(_.getName.startsWith(params("file") + ".")).map { file =>
-          outputUploadedRawData(FileUtil.getMimeType(file.getName), file)
+          RawData(FileUtil.getMimeType(file.getName), file)
         }
       case _ => None
     }) getOrElse NotFound
diff --git a/src/main/scala/app/RepositoryViewerController.scala b/src/main/scala/app/RepositoryViewerController.scala
index de2a6ad..57b1027 100644
--- a/src/main/scala/app/RepositoryViewerController.scala
+++ b/src/main/scala/app/RepositoryViewerController.scala
@@ -214,7 +214,7 @@
         if(raw){
           // Download
           defining(JGitUtil.getContentFromId(git, objectId, false).get){ bytes =>
-            outputUploadedRawData(FileUtil.getContentType(path, bytes), bytes)
+            RawData(FileUtil.getContentType(path, bytes), bytes)
           }
         } else {
           repo.html.blob(id, repository, path.split("/").toList, JGitUtil.getContentInfo(git, path, objectId),
diff --git a/src/main/scala/app/WikiController.scala b/src/main/scala/app/WikiController.scala
index ea43491..c273018 100644
--- a/src/main/scala/app/WikiController.scala
+++ b/src/main/scala/app/WikiController.scala
@@ -164,7 +164,7 @@
     val path = multiParams("splat").head
 
     getFileContent(repository.owner, repository.name, path).map { bytes =>
-      outputUploadedRawData(FileUtil.getContentType(path, bytes), bytes)
+      RawData(FileUtil.getContentType(path, bytes), bytes)
     } getOrElse NotFound
   })