diff --git a/webpack/data/common.js b/webpack/data/common.js
index 4bc77c5..1201c0c 100644
--- a/webpack/data/common.js
+++ b/webpack/data/common.js
@@ -19,7 +19,7 @@ gstore.add('URI', document.URL.replace(/^(?:\/\/|[^\/]+)*/, '').split('/').filte
 gstore.add('is_local', document.URL.replace(/^https?:\/\/([^\/:]+).*$/, '$1') == 'ptut.com');
 
 /* (4) API instance */
-window.api = new APIClient(gstore.get.is_local ? 'http://ptut.com:8080/api/v/1.0/' : 'https://ptut.xdrm.io/api/v/1.0/');
+window.api = new APIClient(gstore.get.is_local ? 'http://ptut.com:8080/api/v/1.0/' : `${gstore.get.HOST}/api/v/1.0/`);
 
 /* (5) PopUp instance */
 window.popup = new PopUp();