diff --git a/patches/bad.js b/patches/bad.js
new file mode 100644
index 0000000..fb4e383
--- /dev/null
+++ b/patches/bad.js
@@ -0,0 +1,46 @@
+const mysql = require('mysql');
+const torrentTypeDetect =  require('../lib/content');
+
+const mysqlSettings = {
+  host     : 'localhost',
+  user     : 'btsearch',
+  password : 'pirateal100x',
+  database : 'btsearch'
+};
+
+socketMysql = mysql.createConnection(mysqlSettings);
+
+socketMysql.connect(function(mysqlError) {
+        if (mysqlError) {
+                console.error('error connecting: ' + mysqlError.stack);
+                return;
+        }
+
+        let current = 0;
+        function func(index) {
+            socketMysql.query("SELECT * FROM `torrents` WHERE (`contentType` = 'video' or contentType = 'pictures') and contentCategory IS NULL LIMIT ?, 30000", [index], function (error, torrents, fields) {
+                    let records = torrents.length;
+                    let next = index + records;
+                    if(records == 0)
+                        return;
+
+                    torrents.forEach((torrent) => {
+                            socketMysql.query('SELECT * FROM `files` WHERE hash = ?', torrent.hash, function (error, files, fields) {
+                                    torrentTypeDetect(torrent, files);
+                                    if(torrent.contentType && torrent.contentCategory == 'xxx') {
+                                            socketMysql.query('UPDATE `torrents` SET `contentType` = ?, contentCategory = ? WHERE `hash` = ?', [torrent.contentType, torrent.contentCategory, torrent.hash], function (error, files, fields) {
+                                                    console.log('xxx ' + torrent.name + ': ' + (++current) + '/' + torrents.length);
+                                                    if(--records == 0)
+                                                        func(next)
+                                            });
+                                    } else {
+                                            console.log((++current) + '/' + torrents.length);
+                                            if(--records == 0)
+                                                func(next)
+                                    }
+                            });
+                    });
+            });
+        }
+        func(0);
+});
\ No newline at end of file