diff --git a/app/svc/svc_applet_application_ad_space.go b/app/svc/svc_applet_application_ad_space.go
index 180003c..c2a6e22 100644
--- a/app/svc/svc_applet_application_ad_space.go
+++ b/app/svc/svc_applet_application_ad_space.go
@@ -42,7 +42,7 @@ func AppletApplicationAdSpaceMediumList(c *gin.Context) {
 				Phone:       "",
 				Count:       "",
 			}
-			NewMediumContactInfoDb := implement2.NewMediumContactInfoDb(engine)
+			NewMediumContactInfoDb := implement2.NewMediumContactInfoDb(db.Db)
 			infoList, _ := NewMediumContactInfoDb.GetMediumContactInfoList(v.MediumId)
 			if infoList != nil {
 				tmp.ContactName = infoList.Name