diff --git a/src/disqus.js b/src/disqus.js
index 769f62f..d6d077d 100644
--- a/src/disqus.js
+++ b/src/disqus.js
@@ -3,4 +3,58 @@
  * Author: SukkaW
  * Link: https://github.com/SukkaW/DisqusJS
  * License: GPL-3.0
- */
\ No newline at end of file
+ */
+
+/*
+ * The variable used in DisqusJS
+ *
+ * DisqusJS Config
+ * disqusjs.config.shortname - The disqus shortname
+ * disqusjs.config.identifier - The identifier of the page
+ * disqusjs.config.url - The url of the page
+ * disqusjs.config,api - Where to get data
+ * disqusjs.config.apikey - The apikey used to request Disqus API
+ *
+ * DisqusJS Info
+ * disqusjs.page.id = The thread id, used at next API call
+ * disqusjs.page.title - The thread title
+ * disqusjs.page.isClosed - Whether the comment is closed
+ * disqusjs.page.lenfth - How many comment in this thread
+ */
+
+var xhr = new XMLHttpRequest();
+
+/*
+ * Name: getThreadID()
+ * Descr: Disqus API only support get thread list by ID, not identifter. So get Thread ID before get thread list.
+ * API Docs: https://disqus.com/api/docs/threads/list/
+ * API URI: /3.0/threads/list.json?forum=[disqus_shortname]&thread=ident:[identifier]&api_key=[apikey]
+*/
+
+
+function getThreadInfo() {
+    var url = disqusjs.config.api + '/3.0/threads/list.json?forum=' + disqusjs.config.shortname + '&thread=ident:'+ disqusjs.config.identifier + '&api_key=' + disqusjs.config.apikey;
+    xhr.open('GET', url, true);
+    xhr.timeout = 4000;
+    xhr.send();
+    xhr.onload = function() {
+        if (this.status == 200||this.status == 304) {
+            var response = JSON.parse(this.responseText).response[0];
+            console.log(response);
+            disqusjs.page = {
+                id: response.id,
+                title: response.title,
+                isClosed: response.isClosed,
+                length: response.posts
+            };
+            console.log(disqusjs);
+        }
+    };
+    xhr.ontimeout = function(e) {
+        console.log(e)
+    };
+    xhr.onerror = function(e) {
+        console.log(e)
+    };
+}
+