diff --git a/internal/domains/api/dto/api_request_dto.go b/internal/domains/api/dto/api_request_dto.go
index 10ece55..222b55d 100644
--- a/internal/domains/api/dto/api_request_dto.go
+++ b/internal/domains/api/dto/api_request_dto.go
@@ -420,7 +420,7 @@ type COMENT01Req struct {
 }
 
 type JRZQ09J8Req struct {
-	MobileNo   string `json:"mobile_no" validate:"omitempty,min=11,max=11,validMobileNo"`
+	MobileNo   string `json:"mobile_no" validate:"required,min=11,max=11,validMobileNo"`
 	IDCard     string `json:"id_card" validate:"required,validIDCard"`
 	Name       string `json:"name" validate:"required,min=1,validName"`
 	Authorized string `json:"authorized" validate:"required,oneof=0 1"`