diff --git a/EasyPlayer/AppDelegate.m b/EasyPlayer/AppDelegate.m
index 7aee15d..03488f8 100644
--- a/EasyPlayer/AppDelegate.m
+++ b/EasyPlayer/AppDelegate.m
@@ -46,9 +46,9 @@ - (void)applicationWillTerminate:(NSNotification *)aNotification {
 
 -  (NSMenu *)applicationDockMenu:(NSApplication *)sender {
     NSMenu *menu = [[NSMenu alloc] initWithTitle:@""];
-    NSMenuItem *pre = [[NSMenuItem alloc] initWithTitle:@"上一首" action:@selector(playPreSong) keyEquivalent:@""];
-    NSMenuItem *play = [[NSMenuItem alloc] initWithTitle:self.playerController.isPlaying ? @"暂停" : @"播放" action:@selector(resumePlaySong) keyEquivalent:@""];
-    NSMenuItem *next = [[NSMenuItem alloc] initWithTitle:@"下一首" action:@selector(playNextSong) keyEquivalent:@""];
+    NSMenuItem *pre = [[NSMenuItem alloc] initWithTitle:@"Previous" action:@selector(playPreSong) keyEquivalent:@""];
+    NSMenuItem *play = [[NSMenuItem alloc] initWithTitle:self.playerController.isPlaying ? @"Pause" : @"Play" action:@selector(resumePlaySong) keyEquivalent:@""];
+    NSMenuItem *next = [[NSMenuItem alloc] initWithTitle:@"Next" action:@selector(playNextSong) keyEquivalent:@""];
     [menu addItem:pre];
     [menu addItem:play];
     [menu addItem:next];
diff --git a/EasyPlayer/Extentions/MusicTools/JWMediaHelper.h b/EasyPlayer/Extentions/MusicTools/JWMediaHelper.h
index ea690b8..34ae8ba 100644
--- a/EasyPlayer/Extentions/MusicTools/JWMediaHelper.h
+++ b/EasyPlayer/Extentions/MusicTools/JWMediaHelper.h
@@ -30,6 +30,7 @@
 
 + (NSImage*)innerCoverImageForURL:(NSURL*)url;
 + (NSDictionary *)id3InfoForURL:(NSURL*)url;
++ (void)scanSupportedMediaForFileURL:(NSURL*)fileURL into:(NSMutableArray*)array;
 
 + (void)getLrcForTrack:(JWTrack*)track onComplete:(void (^)(NSString*, JWTrack *track, NSError *))block;
 + (void)getAlbumImageForTrack:(JWTrack*)track onComplete:(void (^)(NSImage*, JWTrack *track, NSError *))block;
diff --git a/EasyPlayer/Extentions/MusicTools/JWMediaHelper.m b/EasyPlayer/Extentions/MusicTools/JWMediaHelper.m
index df6a46f..d44db67 100644
--- a/EasyPlayer/Extentions/MusicTools/JWMediaHelper.m
+++ b/EasyPlayer/Extentions/MusicTools/JWMediaHelper.m
@@ -30,6 +30,25 @@
 
 @implementation JWMediaHelper
 
++ (void)scanSupportedMediaForFileURL:(NSURL*)fileURL into:(NSMutableArray*)array {
+    NSDictionary *id3Dic = [self id3InfoForURL:fileURL];
+    if(id3Dic) {
+        JWTrack *track = [[JWTrack alloc] initFromID3Info:id3Dic url:fileURL];
+        track.sourceType = TrackSourceTypeLocal;
+        
+        if (id3Dic[@"picture"]) {
+            NSImage *coverImg = [[NSImage alloc] initWithData:id3Dic[@"picture"]];
+            NSString *albumPath = [JWFileManager getCoverPath];
+            if (albumPath) {
+                NSString *destination = [albumPath stringByAppendingPathComponent:[track cacheKey]];
+                [coverImg saveAsJPGFileForPath:destination];
+            }
+            
+        }
+        [array addObject:track];
+    }
+}
+
 + (NSImage*)innerCoverImageForURL:(NSURL*)fileURL {
     AudioFileID audioFile;
     OSStatus theErr = noErr;
diff --git a/EasyPlayer/PlayerViewController.m b/EasyPlayer/PlayerViewController.m
index f02f059..952b2d4 100644
--- a/EasyPlayer/PlayerViewController.m
+++ b/EasyPlayer/PlayerViewController.m
@@ -291,7 +291,7 @@ - (IBAction)addButtonClicked:(NSButton *)sender {
     sender.state = 1;
     NSOpenPanel* openDlg = [NSOpenPanel openPanel];
     [openDlg setCanChooseFiles:YES];
-    [openDlg setCanChooseDirectories:YES];
+    [openDlg setCanChooseDirectories:NO];
     [openDlg setAllowsMultipleSelection:YES];
     
     NSArray *urlArray;
@@ -303,23 +303,7 @@ - (IBAction)addButtonClicked:(NSButton *)sender {
     NSMutableArray *newTracks = [NSMutableArray array];
     
     for (NSURL *url in urlArray) {
-        NSDictionary *id3Dic = [JWMediaHelper id3InfoForURL:url];
-        if(id3Dic) {
-            JWTrack *track = [[JWTrack alloc] initFromID3Info:id3Dic url:url];
-            track.sourceType = TrackSourceTypeLocal;
-            
-            if (id3Dic[@"picture"]) {
-                NSImage *coverImg = [[NSImage alloc] initWithData:id3Dic[@"picture"]];
-                NSString *albumPath = [JWFileManager getCoverPath];
-                if (albumPath) {
-                    NSString *destination = [albumPath stringByAppendingPathComponent:[track cacheKey]];
-                    [coverImg saveAsJPGFileForPath:destination];
-                }
-
-            }
-            
-            [newTracks addObject:track];
-        }
+        [JWMediaHelper scanSupportedMediaForFileURL:url into:newTracks];
     }
     
     NSMutableArray *mutable = [NSMutableArray arrayWithArray:self.items];