diff --git a/zoomeye/__init__.py b/zoomeye/__init__.py
index 081c5b9..cfaae9d 100644
--- a/zoomeye/__init__.py
+++ b/zoomeye/__init__.py
@@ -11,5 +11,5 @@
 
 __name__ = 'zoomeye'
 __package__ = 'zoomeye'
-__version__ = ' 2.0.4.6'
+__version__ = ' 2.0.4.6.1'
 __site__ = "https://www.zoomeye.org/doc"
diff --git a/zoomeye/cli.py b/zoomeye/cli.py
index 0180fc2..7a5074d 100644
--- a/zoomeye/cli.py
+++ b/zoomeye/cli.py
@@ -63,7 +63,7 @@ def main():
     parser_search.add_argument(
         "-num",
         default=20,
-        help="The number of search results that should be returned",
+        help="The number of search results that should be returned, support 'all'",
         type=str,
         metavar='value'
     )
diff --git a/zoomeye/data.py b/zoomeye/data.py
index 728d485..704af73 100644
--- a/zoomeye/data.py
+++ b/zoomeye/data.py
@@ -363,7 +363,7 @@ def handle_page(self):
                         )
                         self.num = self.zoomeye.total
                         cache = Cache(self.dork, page=1, resource=self.resource)
-                        cache.save(self.zoomeye.raw_data)
+                        cache.save(json.dumps(self.zoomeye.raw_data))
                         if self.num % 20 == 0:
                             return int(self.num / 20)
                         return int(self.num / 20) + 1