diff --git a/_includes/footer.html b/_includes/footer.html
index 9809d98..f5e947e 100644
--- a/_includes/footer.html
+++ b/_includes/footer.html
@@ -28,7 +28,7 @@
       </div>
 
       <div class="col-lg-4 col-md-4"  align="center"> 
-        <img class="img-responsive" style="margin-top:5%" src="/static/img/logo-white.png" />
+        <img class="img-responsive" style="margin-top:5%" src="/static/img/logo-white.png" srcset="/static/img/logo-white.png 1x, /static/img/logo-white@2x.png 2x, /static/img/logo-white@3x.png 3x, /static/img/logo-white@4x.png 4x" />
       </div>
     </div><!--/row -->
   </div><!--/container -->
diff --git a/_includes/nav.html b/_includes/nav.html
index c33067a..21f79a8 100644
--- a/_includes/nav.html
+++ b/_includes/nav.html
@@ -7,7 +7,7 @@
         <span class="icon-bar"></span>
         <span class="icon-bar"></span>
       </button>
-      <a class="navbar-brand" href="/"><img src="/static/img/logo-small.png" alt=""/> 清华大学开源软件镜像站</a>
+      <a class="navbar-brand" href="/"><img src="/static/img/logo-small.png" srcset="/static/img/logo-small.png 1x, /static/img/logo-small@2x.png 2x, /static/img/logo-small@3x.png 3x, /static/img/logo-small@4x.png 4x" alt=""/> 清华大学开源软件镜像站</a>
     </div>
     <div class="navbar-collapse collapse navbar-right">
       <ul class="nav navbar-nav">
diff --git a/static/img/logo-small.png b/static/img/logo-small.png
index 423c905..828cc0d 100644
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diff --git a/static/img/logo-small@2x.png b/static/img/logo-small@2x.png
new file mode 100644
index 0000000..43a5394
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diff --git a/static/img/logo-small@3x.png b/static/img/logo-small@3x.png
new file mode 100644
index 0000000..113841c
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diff --git a/static/img/logo-small@4x.png b/static/img/logo-small@4x.png
new file mode 100644
index 0000000..fb70f86
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diff --git a/static/img/logo-white.png b/static/img/logo-white.png
index 5504039..2fef531 100644
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diff --git a/static/img/logo-white@2x.png b/static/img/logo-white@2x.png
new file mode 100644
index 0000000..84a9ebb
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diff --git a/static/img/logo-white@3x.png b/static/img/logo-white@3x.png
new file mode 100644
index 0000000..7769e53
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diff --git a/static/img/logo-white@4x.png b/static/img/logo-white@4x.png
new file mode 100644
index 0000000..ee7cdb0
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