diff --git a/index.html b/index.html
index f22b26c..2919374 100644
--- a/index.html
+++ b/index.html
@@ -113,7 +113,7 @@
 
                 <div class="col-lg-3 col-md-6 pb-1">
                     <div class="d-flex flex-column align-items-center justify-content-center text-center bg-light mb-4 px-4" style="height: 300px;">
-                        <a style="text-decoration: none;" href="">
+                        <a style="text-decoration: none;" href="https://www.apple.com/app-store/" target="_blank">
                             <div class="d-inline-flex align-items-center justify-content-center bg-white shadow rounded-circle mb-4" style="width: 100px; height: 100px;">
                                 <i class="fab fa-3x fa-app-store-ios"></i>
                             </div>
@@ -124,7 +124,7 @@
 
                 <div class="col-lg-3 col-md-6 pb-1">
                     <div class="d-flex flex-column align-items-center justify-content-center text-center bg-light mb-4 px-4" style="height: 300px;">
-                        <a style="text-decoration: none;" href="">
+                        <a style="text-decoration: none;" href="https://play.google.com/store/apps/details?id=one.umall" target="_blank">
                             <div class="d-inline-flex align-items-center justify-content-center bg-white shadow rounded-circle mb-4" style="width: 100px; height: 100px;">
                                 <i class="fab fa-3x fa-google-play"></i>
                             </div>
@@ -135,7 +135,7 @@
 
                 <div class="col-lg-3 col-md-6 pb-1">
                     <div class="d-flex flex-column align-items-center justify-content-center text-center bg-light mb-4 px-4" style="height: 300px;">
-                        <a style="text-decoration: none;" href="https://umall.one/static/release/app-release.apk">
+                        <a style="text-decoration: none;" href="https://umall.one/static/release/app-release.apk" target="_blank">
                             <div class="d-inline-flex align-items-center justify-content-center bg-white shadow rounded-circle mb-4" style="width: 100px; height: 100px;">
                                 <i class="fab fa-3x fa-android"></i>
                             </div>