diff --git a/src/main/twirl/header.scala.html b/src/main/twirl/header.scala.html
index 5ab75e0..bb2be97 100644
--- a/src/main/twirl/header.scala.html
+++ b/src/main/twirl/header.scala.html
@@ -12,12 +12,12 @@
 }
 <div class="head">
   @if(repository.repository.isPrivate){
-  <img src="@assets/common/images/repo_private.png"/>
+  <img src="@assets/common/images/repo_private_lg.png"/>
   } else {
     @if(repository.repository.originUserName.isDefined){
-      <img src="@assets/common/images/repo_fork.png"/>
+      <img src="@assets/common/images/repo_fork_lg.png"/>
     } else {
-      <img src="@assets/common/images/repo_public.png"/>
+      <img src="@assets/common/images/repo_public_lg.png"/>
     }
   }
   <a href="@url(repository.owner)">@repository.owner</a> / <a href="@url(repository)" class="strong">@repository.name</a>
diff --git a/src/main/webapp/assets/common/images/repo_fork_lg.png b/src/main/webapp/assets/common/images/repo_fork_lg.png
new file mode 100644
index 0000000..060a397
--- /dev/null
+++ b/src/main/webapp/assets/common/images/repo_fork_lg.png
Binary files differ
diff --git a/src/main/webapp/assets/common/images/repo_private_lg.png b/src/main/webapp/assets/common/images/repo_private_lg.png
new file mode 100644
index 0000000..cccc495
--- /dev/null
+++ b/src/main/webapp/assets/common/images/repo_private_lg.png
Binary files differ
diff --git a/src/main/webapp/assets/common/images/repo_public_lg.png b/src/main/webapp/assets/common/images/repo_public_lg.png
new file mode 100644
index 0000000..4b5527e
--- /dev/null
+++ b/src/main/webapp/assets/common/images/repo_public_lg.png
Binary files differ