diff --git a/app/mix/dao/mongo.go b/app/mix/dao/mongo.go
index 7c7b57e6..708b1f94 100644
--- a/app/mix/dao/mongo.go
+++ b/app/mix/dao/mongo.go
@@ -6363,6 +6363,10 @@ func (m *Mongo) DeleteNotifBcsts(ctx *gin.Context, ids []int64) error {
 	return err
 }
 
+func (m *Mongo) GetNotifBcstListByVersRange(ctx *gin.Context, vers_lb int64, vers_up int64) ([]*dbstruct.NotifBcst, error) {
+	col := m.getColNotifBcst()
+}
+
 // 瑞文智商测试表相关
 func (m *Mongo) CreateRavenIQTest(ctx *gin.Context, Raven_IQ_test *dbstruct.RavenIQTest) error {
 	col := m.getColRavenIQTest()