diff --git a/README-zh-cn.md b/README-zh-hans.md
similarity index 100%
rename from README-zh-cn.md
rename to README-zh-hans.md
diff --git a/plugins/ContentFilter/languages/zh.json b/plugins/ContentFilter/languages/zh-hans.json
similarity index 100%
rename from plugins/ContentFilter/languages/zh.json
rename to plugins/ContentFilter/languages/zh-hans.json
diff --git a/plugins/ContentFilter/languages/zh-tw.json b/plugins/ContentFilter/languages/zh-hant.json
similarity index 100%
rename from plugins/ContentFilter/languages/zh-tw.json
rename to plugins/ContentFilter/languages/zh-hant.json
diff --git a/plugins/MergerSite/languages/zh.json b/plugins/MergerSite/languages/zh-hans.json
similarity index 100%
rename from plugins/MergerSite/languages/zh.json
rename to plugins/MergerSite/languages/zh-hans.json
diff --git a/plugins/MergerSite/languages/zh-tw.json b/plugins/MergerSite/languages/zh-hant.json
similarity index 100%
rename from plugins/MergerSite/languages/zh-tw.json
rename to plugins/MergerSite/languages/zh-hant.json
diff --git a/plugins/OptionalManager/languages/zh.json b/plugins/OptionalManager/languages/zh-hans.json
similarity index 100%
rename from plugins/OptionalManager/languages/zh.json
rename to plugins/OptionalManager/languages/zh-hans.json
diff --git a/plugins/OptionalManager/languages/zh-tw.json b/plugins/OptionalManager/languages/zh-hant.json
similarity index 100%
rename from plugins/OptionalManager/languages/zh-tw.json
rename to plugins/OptionalManager/languages/zh-hant.json
diff --git a/plugins/Sidebar/languages/jp.json b/plugins/Sidebar/languages/ja.json
similarity index 100%
rename from plugins/Sidebar/languages/jp.json
rename to plugins/Sidebar/languages/ja.json
diff --git a/plugins/Sidebar/languages/zh.json b/plugins/Sidebar/languages/zh-hans.json
similarity index 100%
rename from plugins/Sidebar/languages/zh.json
rename to plugins/Sidebar/languages/zh-hans.json
diff --git a/plugins/Sidebar/languages/zh-tw.json b/plugins/Sidebar/languages/zh-hant.json
similarity index 100%
rename from plugins/Sidebar/languages/zh-tw.json
rename to plugins/Sidebar/languages/zh-hant.json
diff --git a/plugins/Trayicon/languages/zh.json b/plugins/Trayicon/languages/zh-hans.json
similarity index 100%
rename from plugins/Trayicon/languages/zh.json
rename to plugins/Trayicon/languages/zh-hans.json
diff --git a/plugins/Trayicon/languages/zh-tw.json b/plugins/Trayicon/languages/zh-hant.json
similarity index 100%
rename from plugins/Trayicon/languages/zh-tw.json
rename to plugins/Trayicon/languages/zh-hant.json
diff --git a/plugins/UiConfig/languages/zh.json b/plugins/UiConfig/languages/zh-hans.json
similarity index 100%
rename from plugins/UiConfig/languages/zh.json
rename to plugins/UiConfig/languages/zh-hans.json
diff --git a/src/Config.py b/src/Config.py
index fb90e935..5a50b455 100644
--- a/src/Config.py
+++ b/src/Config.py
@@ -99,7 +99,7 @@ class Config(object):
         try:
             language, enc = locale.getdefaultlocale()
             language = language.lower().replace("_", "-")
-            if language not in ["pt-br", "zh-tw"]:
+            if language not in ["zh-hant", "zh-hans", "pt-br"]:
                 language = language.split("-")[0]
         except Exception:
             language = "en"
diff --git a/src/Translate/languages/jp.json b/src/Translate/languages/ja.json
similarity index 100%
rename from src/Translate/languages/jp.json
rename to src/Translate/languages/ja.json
diff --git a/src/Translate/languages/zh.json b/src/Translate/languages/zh-hans.json
similarity index 100%
rename from src/Translate/languages/zh.json
rename to src/Translate/languages/zh-hans.json
diff --git a/src/Translate/languages/zh-tw.json b/src/Translate/languages/zh-hant.json
similarity index 100%
rename from src/Translate/languages/zh-tw.json
rename to src/Translate/languages/zh-hant.json