diff --git a/nhentai/__init__.py b/nhentai/__init__.py
index 6b82594..3b21881 100644
--- a/nhentai/__init__.py
+++ b/nhentai/__init__.py
@@ -1,3 +1,3 @@
-__version__ = '0.2.15'
+__version__ = '0.2.16'
 __author__ = 'RicterZ'
 __email__ = 'ricterzheng@gmail.com'
diff --git a/nhentai/command.py b/nhentai/command.py
index ce1dd0f..3445fac 100644
--- a/nhentai/command.py
+++ b/nhentai/command.py
@@ -21,6 +21,8 @@ def main():
     doujinshi_ids = []
     doujinshi_list = []
 
+    import pdb; pdb.set_trace()
+
     if options.login:
         username, password = options.login.split(':', 1)
         logger.info('Logging in to nhentai using credential pair \'%s:%s\'' % (username, '*' * len(password)))
@@ -41,6 +43,9 @@ def main():
         if options.is_download:
             doujinshi_ids = map(lambda d: d['id'], doujinshis)
 
+    if not doujinshi_ids:
+        doujinshi_ids = options.id
+
     if doujinshi_ids:
         for id_ in doujinshi_ids:
             doujinshi_info = doujinshi_parser(id_)