Add extra data

python/wcferry/client.py

@@ -61,14 +61,13 @@ class Wcf():
             self.sender = msg.sender
             self.roomid = msg.roomid
             self.content = msg.content
-            self.extra_data = msg.extra_data
+            self.extra = msg.extra
 
         def __str__(self) -> str:
             s = f"{'自己发的:' if self._is_self else ''}"
             s += f"{self.sender}[{self.roomid}]:{self.id}:{self.type}:{self.xml.replace(chr(10), '').replace(chr(9),'')}\n"
             s += self.content
-            s += "\n"
-            s += self.extra_data
+            s += f"\n{self.extra}" if self.extra else ""
             return s
 
         def from_self(self) -> bool: