diff --git a/modules/mainline/api_booschallenge.go b/modules/mainline/api_booschallenge.go
index 36e86b0ea..bdfbca7b1 100644
--- a/modules/mainline/api_booschallenge.go
+++ b/modules/mainline/api_booschallenge.go
@@ -75,7 +75,7 @@ func (this *apiComp) BoosChallenge(session comm.IUserSession, req *pb.MainlineBo
 	if errdata != nil {
 		return
 	}
-	session.SendMsg(string(this.module.GetType()), "challenge", &pb.MainlineBoosChallengeResp{
+	session.SendMsg(string(this.module.GetType()), "booschallenge", &pb.MainlineBoosChallengeResp{
 		Info: &pb.BattleInfo{
 			Id:         record.Id,
 			Title:      record.Title,