improve douyin

PHP/douyin.php

@@ -43,11 +43,9 @@ $data = curl_exec($ch);
 curl_close($ch);
 $realdata = urldecode($data);
 unlink($cookietext);
-$reg = "/\"roomid\"\:\"[0-9]+\"/i";
+$reg = "/\"roomid\"\:\"([0-9]+)\"/i";
 preg_match($reg, $realdata, $roomid);
-$nreg = "/[0-9]+/";
-preg_match($nreg, $roomid[0], $realid);
-$nnreg = "/\"id_str\":\"{$realid[0]}\"[\s\S]*?\"hls_pull_url\"/i";
+$nnreg = "/\"id_str\":\"{$roomid[1]}\"[\s\S]*?\"hls_pull_url\"/i";
 preg_match($nnreg,$realdata,$newcontent);
 $nnnreg = "/\"hls_pull_url_map\"[\s\S]*?}/i";
 preg_match($nnnreg,$newcontent[0],$finalstr);