diff --git a/internal/logic/domain/friend/friend_service.go b/internal/logic/domain/friend/friend_service.go
index 6fb363f..7bee84d 100644
--- a/internal/logic/domain/friend/friend_service.go
+++ b/internal/logic/domain/friend/friend_service.go
@@ -67,6 +67,9 @@ func (*friendService) DeleteFriend(ctx context.Context, userId, friendId int64)
 
 // AddFriend 添加好友
 func (*friendService) AddFriend(ctx context.Context, userId, friendId int64, remarks, description string) error {
+	if userId == friendId {
+		return gerrors.ErrNotAllowAddSelf
+	}
 	masterId, _ := grpclib.GetCtxMasterId(ctx)
 	isAutoAddFriends := svc.SysCfgGet(masterId, "is_auto_add_friends")
 
diff --git a/pkg/gerrors/define.go b/pkg/gerrors/define.go
index c4e4faa..129805d 100644
--- a/pkg/gerrors/define.go
+++ b/pkg/gerrors/define.go
@@ -18,6 +18,7 @@ var (
 	ErrAlreadyIsFriend = newError(10015, "对方已经是好友了")
 	ErrUserNotFound    = newError(10016, "用户找不到")
 	ErrNotIsFriend     = newError(10017, "对方暂不是好友")
+	ErrNotAllowAddSelf = newError(10018, "不允许添加自己为好友")
 )
 
 func newError(code int, message string) error {