diff --git a/src/onebot/api/msg.ts b/src/onebot/api/msg.ts
index 888cd53a..9be190ae 100644
--- a/src/onebot/api/msg.ts
+++ b/src/onebot/api/msg.ts
@@ -974,6 +974,7 @@ export class OneBotMsgApi {
     private async handleGroupMessage(resMsg: OB11Message, msg: RawMessage) {
         resMsg.sub_type = 'normal';
         resMsg.group_id = parseInt(msg.peerUin);
+        resMsg.group_name = msg.peerName;
         let member = await this.core.apis.GroupApi.getGroupMember(msg.peerUin, msg.senderUin);
         if (!member) member = await this.core.apis.GroupApi.getGroupMember(msg.peerUin, msg.senderUin);
         if (member) {
diff --git a/src/onebot/types/message.ts b/src/onebot/types/message.ts
index 756d5b5f..4656a67f 100644
--- a/src/onebot/types/message.ts
+++ b/src/onebot/types/message.ts
@@ -21,6 +21,7 @@ export interface OB11Message {
     real_id: number;
     user_id: number | string; // number
     group_id?: number | string; // number
+    group_name?: string; // string
     message_type: 'private' | 'group';
     sub_type?: 'friend' | 'group' | 'normal';
     sender: OB11Sender;