diff --git a/index.js b/index.js
index 631c662..3ac3028 100644
--- a/index.js
+++ b/index.js
@@ -7,7 +7,7 @@ const utils = new Util(hexo, __dirname);
 
 hexo.extend.filter.register('theme_inject', injects => {
 
-  let config = utils.defaultConfigFile('discussbot', 'default.yaml');
+  const config = utils.defaultConfigFile('discussbot', 'default.yaml');
   if (!config.enable) return;
 
   if (!config.siteid) {
diff --git a/package.json b/package.json
index bc15d6c..36a05bf 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "hexo-next-discussbot",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "description": "DiscussBot comment system for NexT.",
   "main": "index.js",
   "scripts": {