diff --git a/ncm/api.py b/ncm/api.py
index 8129ba6..93685fc 100644
--- a/ncm/api.py
+++ b/ncm/api.py
@@ -71,10 +71,7 @@ class CloudApi(object):
         params = {'ids': [song_id], 'br': bit_rate, 'csrf_token': csrf}
         result = self.post_request(url, params)
         song_url = result['data'][0]['url']
-        if song_url is None:
-            print('Song {} is not available due to copyright issue. => {}'.format(song_id, result))
-        else:
-            return song_url
+        return song_url
 
     def get_hot_songs(self, artist_id):
         """
diff --git a/ncm/downloader.py b/ncm/downloader.py
index 04fa4f8..e082bdf 100644
--- a/ncm/downloader.py
+++ b/ncm/downloader.py
@@ -45,6 +45,9 @@ def download_song_by_song(song, download_folder, sub_folder=True):
 
     # download song
     song_url = api.get_song_url(song_id)
+    if song_url is None:
+        print('Song <<{}>> is not available due to copyright issue!'.format(song_name))
+        return
     is_already_download = download_file(song_url, song_file_name, song_download_folder)
     if is_already_download:
         print('Mp3 file already download:', song_file_name)