diff --git a/modules/mainline/api_challenge.go b/modules/mainline/api_challenge.go
index e9bd2d85b..f9bf1d6bc 100644
--- a/modules/mainline/api_challenge.go
+++ b/modules/mainline/api_challenge.go
@@ -44,12 +44,11 @@ func (this *apiComp) Challenge(session comm.IUserSession, req *pb.MainlineChalle
 			code = pb.ErrorCode_MainlineNotFindChapter
 			return
 		}
+		if v == int32(req.MainlineId) {
+			break
+		}
 	}
 
-	if node.Previoustage != curChapter.MainlineId {
-		code = pb.ErrorCode_MainlineNotFindChapter
-		return
-	}
 	code, record := this.module.battle.CreatePveBattle(session, &pb.BattlePVEReq{
 		Ptype:   pb.PlayType_moonfantasy,
 		Leadpos: req.Leadpos,
diff --git a/modules/mainline/api_challengeover.go b/modules/mainline/api_challengeover.go
index b1d260bed..f8e0fc398 100644
--- a/modules/mainline/api_challengeover.go
+++ b/modules/mainline/api_challengeover.go
@@ -49,10 +49,9 @@ func (this *apiComp) ChallengeOver(session comm.IUserSession, req *pb.MainlineCh
 			code = pb.ErrorCode_MainlineNotFindChapter
 			return
 		}
-	}
-	if node.Previoustage != mainline.MainlineId {
-		code = pb.ErrorCode_MainlineNotFindChapter
-		return
+		if v == int32(req.MainlineId) {
+			break
+		}
 	}
 	res = append(res, node.Award...)