From f07652e6c67f21584d1541fa3d7ec230c615b2a6 Mon Sep 17 00:00:00 2001
From: Sml2h3 <sml2h3@gmail.com>
Date: Tue, 13 Dec 2022 17:36:03 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E5=BD=93=E7=BE=A4=E7=BB=84?=
 =?UTF-8?q?=E4=BF=9D=E5=AD=98=E5=9C=A8=E9=80=9A=E8=AE=AF=E5=BD=95=E5=90=8E?=
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---
 message.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/message.go b/message.go
index 393b414..1137aa0 100644
--- a/message.go
+++ b/message.go
@@ -74,6 +74,9 @@ func (m *Message) Sender() (*User, error) {
 		user = &User{Self: m.Bot.self, UserName: m.FromUserName}
 		err = user.Detail()
 	}
+	if m.IsSendByGroup() && len(user.MemberList) == 0 {
+		err = user.Detail()
+	}
 	return user, err
 }