From f2f2de06a9d7c1a2928edf1eb89bac51e5f5f6c9 Mon Sep 17 00:00:00 2001
From: Him188 <Him188@mamoe.net>
Date: Tue, 4 Feb 2020 18:18:29 +0800
Subject: [PATCH] Fix at

---
 .../src/commonMain/kotlin/net.mamoe.mirai/message/data/At.kt    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/At.kt b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/At.kt
index 7675bf102..cb02a95e5 100644
--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/At.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/message/data/At.kt
@@ -11,7 +11,7 @@ import net.mamoe.mirai.utils.MiraiInternalAPI
  */
 class At @MiraiInternalAPI constructor(val target: Long, val display: String) : Message {
     @UseExperimental(MiraiInternalAPI::class)
-    constructor(member: Member) : this(member.id, member.groupCard)
+    constructor(member: Member) : this(member.id, "@${member.groupCard}")
 
     override fun toString(): String = display