diff --git a/components/button.md b/components/button.md
index cab64ab1e78a77fd865e81c1822d1f5124db09be..24f4ba934976f65f72356783bf6cf4b81dfca7a4 100644
--- a/components/button.md
+++ b/components/button.md
@@ -1,7 +1,7 @@
 # Button 按钮
 
 - category: Component
-- API: github.com/react-component/dialog
+- API: github.com/react-component/button
 
 ---
 
diff --git a/components/select.md b/components/select.md
index eea01aeaca4192a85707b673e7ef8287835b31fe..dc63546198300b4cf07c560cc425fc61a3d5aa0c 100644
--- a/components/select.md
+++ b/components/select.md
@@ -1,6 +1,7 @@
 # Select 选择框
 
 - category: Component
+- API: github.com/react-component/select
 
 ---
 
diff --git a/theme/templates/layout.html b/theme/templates/layout.html
index 78c4c80b126f4abc206c1b189526230bcc8f8010..bbce2bcfd89b718da320f71921ec5071278112cb 100644
--- a/theme/templates/layout.html
+++ b/theme/templates/layout.html
@@ -74,10 +74,12 @@
     <article class="markdown">
       <h1>
         {{ post.title }}
+        {%- if post.meta.API %}
         <a class="api-link" href="http://{{ post.meta.API }}" target="_blank">
           <i class="iconfont icon-externallink"></i>
           API 使用说明
         </a>
+        {%- endif %}
       </h1>
       {{ post.html }}
     </article>