diff --git a/api.html b/api.html
index 9ee53a5..0e71a28 100644
--- a/api.html
+++ b/api.html
@@ -37,7 +37,7 @@
               <nav>
                 <ul class="nav masthead-nav">
 
-          <li><a id="ushio-iotcatme" href="https://ushio.cool/"><span class=".zh">关于</span><span class=".en">About</span></a></li>
+          <li><a id="ushio-iotcatme" href="https://ushio.yimian.xyz/"><span class=".zh">关于</span><span class=".en">About</span></a></li>
 
                 </ul>
               </nav>
@@ -55,7 +55,7 @@
           <div class="mastfoot">
             <div class="inner bottom">
               <span class="yright"></span><br>
-              <span>©2018-<script type="text/javascript">document.write((new Date()).getFullYear())</script> iotcat | Powered with <span class="glyphicon glyphicon-heart" style="color: red;"></span> by <a id="ushio-ushio" href="https://ushio.cool/">Ushio</a></span>
+              <span>©2018-<script type="text/javascript">document.write((new Date()).getFullYear())</script> iotcat | Powered with <span class="glyphicon glyphicon-heart" style="color: red;"></span> by <a id="ushio-ushio" href="https://ushio.yimian.xyz/">Ushio</a></span>
             </div>
           </div>
         </div>
diff --git a/index.html b/index.html
index c41a7bc..640fc97 100644
--- a/index.html
+++ b/index.html
@@ -39,7 +39,7 @@
                 <ul class="nav masthead-nav">
 
 					<li><a id="ushio-img" href="https://img.yimian.xyz/index.php/archives/imgbed.html"> <span class="glyphicon glyphicon-picture"></span> <span class=".zh">探索</span><span class=".en">Explore</span></a></li>
-					<li><a id="ushio-iotcatme" href="https://ushio.cool/"><span class=".zh">关于</span><span class=".en">About</span></a></li>
+					<li><a id="ushio-iotcatme" href="https://ushio.yimian.xyz/"><span class=".zh">关于</span><span class=".en">About</span></a></li>
 
                 </ul>
               </nav>
@@ -60,7 +60,7 @@
           <div class="mastfoot">
             <div class="inner bottom">
               <span class="yright"></span><br>
-              <span>©2018-<script type="text/javascript">document.write((new Date()).getFullYear())</script> iotcat | Powered with <span class="glyphicon glyphicon-heart" style="color: red;"></span> by <a id="ushio-ushio" href="https://ushio.cool/">Ushio</a></span>
+              <span>©2018-<script type="text/javascript">document.write((new Date()).getFullYear())</script> iotcat | Powered with <span class="glyphicon glyphicon-heart" style="color: red;"></span> by <a id="ushio-ushio" href="https://ushio.yimian.xyz/">Ushio</a></span>
             </div>
           </div>
         </div>