diff --git a/install.py b/install.py
index fb54d55..4e40482 100644
--- a/install.py
+++ b/install.py
@@ -55,6 +55,7 @@
 
 def main():
     # download base
+    url_prefix = os.environ.get('FISHROS_URL','http://mirror.fishros.com/install')
     os.system("wget {} -O /tmp/fishinstall/{} --no-check-certificate".format(base_url,base_url.replace(url_prefix,'')))
 
     from tools.base import CmdTask,FileUtils,PrintUtils,ChooseTask,ChooseWithCategoriesTask
diff --git a/tools/translation/translator.py b/tools/translation/translator.py
index ca01ce9..4c1416a 100644
--- a/tools/translation/translator.py
+++ b/tools/translation/translator.py
@@ -24,11 +24,11 @@ class Linguist:
 
     def __init__(self):
         # Initialize the current locale.
+        self.country = 'CN'
         self._currentLocale = self.getLocalFromIP()
         if self._currentLocale is None:
             self._currentLocale = locale.getdefaultlocale()[0]
         # Load the translation file.
-        self.country = 'CN'
         self.lang = self._currentLocale
         for lang in _suported_languages:
             CmdTask("wget {} -O /tmp/fishinstall/{} --no-check-certificate".format(lang_url.format(lang),lang_url.format(lang).replace(url_prefix,''))).run()