diff --git a/astrbot/core/platform/sources/dingtalk/dingtalk_event.py b/astrbot/core/platform/sources/dingtalk/dingtalk_event.py
index d520189d8..197701e0d 100644
--- a/astrbot/core/platform/sources/dingtalk/dingtalk_event.py
+++ b/astrbot/core/platform/sources/dingtalk/dingtalk_event.py
@@ -25,6 +25,20 @@ async def send_with_client(
         client: dingtalk_stream.ChatbotHandler,
         message: MessageChain,
     ):
+        icm = cast(dingtalk_stream.ChatbotMessage, self.message_obj.raw_message)
+        ats = []
+        # fixes: #4218
+        # 钉钉 at 机器人需要使用 sender_staff_id 而不是 sender_id
+        for i in message.chain:
+            if isinstance(i, Comp.At):
+                print(i.qq, icm.sender_id, icm.sender_staff_id)
+                if str(i.qq) in str(icm.sender_id or ""):
+                    # 适配器会将开头的 $:LWCP_v1:$ 去掉，因此我们用 in 判断
+                    ats.append(f"@{icm.sender_staff_id}")
+                else:
+                    ats.append(f"@{i.qq}")
+        at_str = " ".join(ats)
+
         for segment in message.chain:
             if isinstance(segment, Comp.Plain):
                 segment.text = segment.text.strip()
@@ -32,7 +46,7 @@ async def send_with_client(
                     None,
                     client.reply_markdown,
                     segment.text,
-                    segment.text,
+                    f"{at_str} {segment.text}".strip(),
                     cast(dingtalk_stream.ChatbotMessage, self.message_obj.raw_message),
                 )
             elif isinstance(segment, Comp.Image):