Fix: Message.__contains__() 未考虑 bool(MessageSegment) 存在 False 情况导致的异常结果

nonebot/internal/adapter/message.py

@@ -285,7 +285,7 @@ def __contains__(self, value: Union[TMS, str]) -> bool:
             消息内是否存在给定消息段或给定类型的消息段
         """
         if isinstance(value, str):
-            return bool(next((seg for seg in self if seg.type == value), None))
+            return next((seg for seg in self if seg.type == value), None) is not None
         return super().__contains__(value)
 
     def has(self, value: Union[TMS, str]) -> bool:

tests/test_adapters/test_message.py

@@ -192,6 +192,10 @@ def test_message_contains():
     assert message.has("foo") is False
     assert "foo" not in message
 
+    msg_with_empty_seg = FakeMessage([FakeMessageSegment.text("")])
+    assert msg_with_empty_seg.has("text") is True
+    assert "text" in msg_with_empty_seg
+
 
 def test_message_only():
     message = FakeMessage(