diff --git a/service/order_service.go b/service/order_service.go
index 3bed5b2..f57c9e6 100644
--- a/service/order_service.go
+++ b/service/order_service.go
@@ -293,7 +293,7 @@ func (s *orderService) PostToZking(orderSn string) (*zking.Result, error) {
 		LegalNum:      order.Applicant.LegalNum,
 		ComTelNum:     order.Applicant.ComTelNum,
 		LicenseFiles:  licenseFiles,
-		SignUrl:       order.Applicant.SignUrl,
+		SignUrl:       order.Applicant.SignedUrl,
 	}
 
 	project := suixing.Project{