diff --git a/src/core/entities/group.ts b/src/core/entities/group.ts
index f486f9ec..780b9f9a 100644
--- a/src/core/entities/group.ts
+++ b/src/core/entities/group.ts
@@ -117,7 +117,7 @@ export enum GroupMemberRole {
 }
 
 export interface GroupMember {
-    memberRealLevel: string | undefined;
+    memberRealLevel: number | undefined;
     memberSpecialTitle?: string;
     avatarPath: string;
     cardName: string;
diff --git a/src/onebot/entities.ts b/src/onebot/entities.ts
index 7d4cf5cd..d043e3e0 100644
--- a/src/onebot/entities.ts
+++ b/src/onebot/entities.ts
@@ -66,7 +66,7 @@ export class OB11Entities {
             sex: OB11Entities.sex(member.sex!),
             age: member.age ?? 0,
             area: '',
-            level: member.memberRealLevel ?? '0',
+            level: member.memberRealLevel?.toString() ?? '0',
             qq_level: member.qqLevel && calcQQLevel(member.qqLevel) || 0,
             join_time: +member.joinTime,
             last_sent_time: +member.lastSpeakTime,