diff --git a/config.toml b/config.toml
index 4f45585..15f9658 100644
--- a/config.toml
+++ b/config.toml
@@ -3,7 +3,7 @@ title = 'Academic Resources'
 theme = "hugo-book"
 
 defaultContentLanguage = "en"
-languageCode = ["zh","en"]
+languageCode = "zh"
 hasCJKLanguage = true
 
 # (Optional) Set Google Analytics if you use it to track your website.
diff --git a/themes/hugo-book/i18n/zh.yaml b/themes/hugo-book/i18n/zh.yaml
index 6f326d1..9e51cd9 100644
--- a/themes/hugo-book/i18n/zh.yaml
+++ b/themes/hugo-book/i18n/zh.yaml
@@ -17,4 +17,4 @@
       tokenize: function(str) {
         return str.replace(/[\x00-\x7F]/g, '').split('');
       }
-    }
+    }
\ No newline at end of file