diff --git a/src/lang/zh-CN/administrator.php b/src/lang/zh_CN/administrator.php
similarity index 100%
rename from src/lang/zh-CN/administrator.php
rename to src/lang/zh_CN/administrator.php
diff --git a/src/lang/zh-CN/knockout.php b/src/lang/zh_CN/knockout.php
similarity index 100%
rename from src/lang/zh-CN/knockout.php
rename to src/lang/zh_CN/knockout.php
diff --git a/src/lang/zh-TW/administrator.php b/src/lang/zh_TW/administrator.php
similarity index 100%
rename from src/lang/zh-TW/administrator.php
rename to src/lang/zh_TW/administrator.php
diff --git a/src/lang/zh-TW/knockout.php b/src/lang/zh_TW/knockout.php
similarity index 100%
rename from src/lang/zh-TW/knockout.php
rename to src/lang/zh_TW/knockout.php