[Update] 修改model

coco/models.py

@@ -360,7 +360,8 @@ class BaseServer(object):
 
     def close(self):
         logger.info("Close server to {}".format(self))
-        self.r_input_output_data_filter(b'')
+        self.s_input_state_filter(b'')
+        self.s_parse_input_output_filter(b'')
         self.chan.close()
 
     def __getattr__(self, item):

coco/recorder.py

@@ -117,14 +117,6 @@ class CommandRecorder(object):
     storage = None
     _cache = []
 
-    def __new__(cls, *args, **kwargs):
-        if cls._cache:
-            return cls._cache[0]
-        else:
-            self = super(CommandRecorder, cls).__new__(cls, *args, **kwargs)
-            cls._cache.append(self)
-            return self
-
     def __init__(self):
         super(CommandRecorder, self).__init__()
         self.queue = MemoryQueue()