diff --git a/pkg/service/bundle/common/contractNo.go b/pkg/service/bundle/common/contractNo.go
index ff2d519..780b141 100644
--- a/pkg/service/bundle/common/contractNo.go
+++ b/pkg/service/bundle/common/contractNo.go
@@ -11,7 +11,7 @@ func GenerateContractNo(lastContractNo string) string {
 	prefix := time.Now().Format("2006-01-02") + "-"
 
 	if lastContractNo == "" {
-		return prefix + "-00001"
+		return prefix + "00001"
 	}
 
 	suffix := lastContractNo[11:]