diff --git a/layout/_partial/footer.ejs b/layout/_partial/footer.ejs
index 7bc7e17..26966dd 100644
--- a/layout/_partial/footer.ejs
+++ b/layout/_partial/footer.ejs
@@ -25,7 +25,7 @@
         <div class="theme-info info-item">
             <%- __('powered_by', '<a target="_blank" href="https://hexo.io">Hexo</a>') %>&nbsp;|&nbsp;<%- __('theme') %>&nbsp;<a class="theme-version" target="_blank" href="https://github.com/XPoet/hexo-theme-keep">Keep v<%= theme.version %></a>
         </div>
-        <% if (theme.footer.icp ){ %>
+        <% if (theme.footer.hasOwnProperty('icp') && theme.footer.icp) { %>
             <div class="icp-info info-item"><a target="_blank" rel="nofollow" href="https://beian.miit.gov.cn"><%= theme.footer.icp %></a></div>
         <% } %>