diff --git a/js/common.js b/js/common.js
index ea80921..34ba6d7 100644
--- a/js/common.js
+++ b/js/common.js
@@ -33,7 +33,7 @@ function $ajax(url) {
 }
 
 function $ajaxget(url, data) {
-    data["authorization"] = "6f167d28205b143c880382cd8408ea93"
+    if (data) data["authorization"] = "6f167d28205b143c880382cd8408ea93"
 
     url = url.indexOf("https://") > -1 ? url : projectBaseURL + url
     url += objectToQueryString(data)