modify language file

git-svn-id: https://plugins.svn.wordpress.org/wechat-subscribers-lite/trunk@959662 b8457f37-d9ea-0310-8a92-e5e31aec5664
fix words

git-svn-id: https://plugins.svn.wordpress.org/wechat-subscribers-lite/trunk@959664 b8457f37-d9ea-0310-8a92-e5e31aec5664