diff --git a/ejs/apps.ejs b/ejs/apps.ejs
index 3e0069f..6f553a7 100644
--- a/ejs/apps.ejs
+++ b/ejs/apps.ejs
@@ -155,7 +155,9 @@
             <footer class="sticky-footer bg-white">
             <div class="container my-auto">
                 <div class="copyright text-center my-auto">
-                    <span>Copyright &copy; mixio.mixly.org 2021</span>
+                    <a href="//mixly.org" target="_blank" class="d-none d-md-block" style="margin-right:30px;color:gray;font-size:0.7rem;user-select:none">
+                        Copyright© Mixly Team @ BNU, CHINA
+                    </a> 
                 </div>
             </div>
     </footer>
diff --git a/ejs/data.ejs b/ejs/data.ejs
index 32f6c0a..8a0d7f7 100644
--- a/ejs/data.ejs
+++ b/ejs/data.ejs
@@ -194,7 +194,9 @@
             <footer class="sticky-footer bg-white">
             <div class="container my-auto">
                 <div class="copyright text-center my-auto">
-                    <span>Copyright &copy; mixio.mixly.org 2021</span>
+                    <a href="//mixly.org" target="_blank" class="d-none d-md-block" style="margin-right:30px;color:gray;font-size:0.7rem;user-select:none">
+                        Copyright© Mixly Team @ BNU, CHINA
+                    </a> 
                 </div>
             </div>
     </footer>
diff --git a/ejs/tinydb.ejs b/ejs/tinydb.ejs
index 9331816..dd1d0de 100644
--- a/ejs/tinydb.ejs
+++ b/ejs/tinydb.ejs
@@ -219,7 +219,9 @@
             <footer class="sticky-footer bg-white">
                 <div class="container my-auto">
                     <div class="copyright text-center my-auto">
-                        <span>Copyright &copy; mixio.mixly.org 2021</span>
+                        <a href="//mixly.org" target="_blank" class="d-none d-md-block" style="margin-right:30px;color:gray;font-size:0.7rem;user-select:none">
+                            Copyright© Mixly Team @ BNU, CHINA
+                        </a> 
                     </div>
                 </div>
             </footer>