您需要附加[QSA](查询字符串附加)标签。尝试
RewriteEngine onRewriteRule ^([a-z]{2,2})/([a-zA-Z0-9_-]+)$ index.php?lang=$1&page=$2 [QSA]参见http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html

您需要附加[QSA](查询字符串附加)标签。尝试
RewriteEngine onRewriteRule ^([a-z]{2,2})/([a-zA-Z0-9_-]+)$ index.php?lang=$1&page=$2 [QSA]参见http://httpd.apache.org/docs/2.2/mod/mod_rewrite.html