diff --git a/modules/mline/api_challenge.go b/modules/mline/api_challenge.go
index 89293270a..0c9d4f56c 100644
--- a/modules/mline/api_challenge.go
+++ b/modules/mline/api_challenge.go
@@ -42,9 +42,9 @@ func (this *apiComp) Challenge(session comm.IUserSession, req *pb.MlineChallenge
 		}
 	}
 	if curChapter == nil { // 校验是不是新的数据
-		preStage := this.module.configure.GetPreMainChapter(req.StageId) // 新章节数据校验
-		preStageConf := this.module.configure.GetMainStageConf(preStage)
-		if stageConf == nil { // 配置文件校验
+		//preStage := this.module.configure.GetMainStageConf(stageConf.Previoustage) // 新章节数据校验
+		preStageConf := this.module.configure.GetMainStageConf(stageConf.Previoustage)
+		if preStageConf == nil { // 配置文件校验
 			code = pb.ErrorCode_MainlineNotFindChapter
 			return
 		}