diff --git a/radio1.html b/radio1.html
index 5638143..ed3d390 100644
--- a/radio1.html
+++ b/radio1.html
@@ -69,7 +69,7 @@
 <center>
 We're sorry, but you need to click box above to access the intranet service.<br>
 If you are not connected via the intranet. Please click here to go to the site top . <br>
-<a href="http://www.veltron.net">TOPへ戻る</a>
+<a href="http://www.veltron.net" target="_blank">TOPへ戻る</a>
 </center>
             </p>
           </article>
diff --git a/tv1.html b/tv1.html
index e7173b4..2bccd56 100644
--- a/tv1.html
+++ b/tv1.html
@@ -69,7 +69,7 @@
 <center>
 We're sorry, but you need to click box above to access the intranet service.<br>
 If you are not connected via the intranet. Please click here to go to the site top . <br>
-<a href="http://www.veltron.net">TOPへ戻る</a>
+<a href="http://www.veltron.net" target="_blank">TOPへ戻る</a>
 </center>
             </p>
           </article>