diff --git a/internal/domains/api/dto/api_request_dto.go b/internal/domains/api/dto/api_request_dto.go
index 9808ef0..cfcb490 100644
--- a/internal/domains/api/dto/api_request_dto.go
+++ b/internal/domains/api/dto/api_request_dto.go
@@ -623,7 +623,7 @@ type FLXGDJG3Req struct {
 type QYGLDJ12Req struct {
 	EntName  string `json:"ent_name" validate:"omitempty,min=1,validEnterpriseName"`
 	EntCode  string `json:"ent_code" validate:"omitempty,validUSCI"`
-	EntRegNo string `json:"ent_reg_no" validate:"omitempty,min=1,validEntRegNo"`
+	EntRegNo string `json:"ent_reg_no" validate:"omitempty"`
 }
 type YYSY6D9AReq struct {
 	MobileNo   string `json:"mobile_no" validate:"required,min=11,max=11,validMobileNo"`