diff --git a/config/env/torrents.js b/config/env/torrents.js
index dff5011d..70061489 100644
--- a/config/env/torrents.js
+++ b/config/env/torrents.js
@@ -14,7 +14,7 @@ module.exports = {
       url: 'http://chd.im:3000/announce',
       comment: 'meanTorrent group',
       announce_interval: 60 * 1000,
-      announce_prefix: '[CHD.im].',
+      announce_prefix: '{CHD.im}.',
       admin: 'admin@chd.im',
       base_url: 'http://chd.im:3000',
       client_black_list_url: 'http://chd.im:3000/client_black_list',
diff --git a/config/lib/multer.js b/config/lib/multer.js
index e7c5b333..373cf3e7 100644
--- a/config/lib/multer.js
+++ b/config/lib/multer.js
@@ -34,8 +34,25 @@ module.exports.subtitleFileFilter = function (req, file, callback) {
 };
 
 module.exports.createUploadFilename = function (req, file, cb) {
-  var regex = new RegExp(',', 'g');
-  var filename = file.originalname.replace(regex, ' ');
+  //var regex = new RegExp(',', 'g');
+  //var filename = file.originalname.replace(regex, ' ');
+  var RexStr = /\(|\)|\[|\]|\,/g;
+  var filename = file.originalname.replace(RexStr, function (MatchStr) {
+    switch (MatchStr) {
+      case '(':
+        return '<';
+      case ')':
+        return '>';
+      case '[':
+        return '{';
+      case ']':
+        return '}';
+      case ',':
+        return ' ';
+      default:
+        break;
+    }
+  });
 
   if (fs.existsSync(config.uploads.torrent.file.temp + filename)) {
     fs.unlinkSync(config.uploads.torrent.file.temp + filename);