diff --git a/internal/domains/api/dto/api_request_dto.go b/internal/domains/api/dto/api_request_dto.go
index d32e84c..9f1d94c 100644
--- a/internal/domains/api/dto/api_request_dto.go
+++ b/internal/domains/api/dto/api_request_dto.go
@@ -686,7 +686,7 @@ type FLXG9C1DReq struct {
 type DWBG5SAMReq struct {
 	IDCard           string `json:"id_card" validate:"required,validIDCard"`
 	Name             string `json:"name" validate:"required,min=1,validName"`
-	Phone            string `json:"phone" validate:"required,min=11,max=11,validMobileNo"`
+	MobileNo         string `json:"mobile_no" validate:"required,min=11,max=11,validMobileNo"`
 	AuthorizationURL string `json:"authorization_url" validate:"required,authorization_url"`
 }
 
diff --git a/internal/domains/api/services/processors/dwbg/dwbg5sam_processor.go b/internal/domains/api/services/processors/dwbg/dwbg5sam_processor.go
index c204887..509aa21 100644
--- a/internal/domains/api/services/processors/dwbg/dwbg5sam_processor.go
+++ b/internal/domains/api/services/processors/dwbg/dwbg5sam_processor.go
@@ -31,7 +31,7 @@ func ProcessDWBG5SAMRequest(ctx context.Context, params []byte, deps *processors
 		return nil, errors.Join(processors.ErrSystem, err)
 	}
 
-	encryptedPhone, err := deps.ZhichaService.Encrypt(paramsDto.Phone)
+	encryptedMobileNo, err := deps.ZhichaService.Encrypt(paramsDto.MobileNo)
 	if err != nil {
 		return nil, errors.Join(processors.ErrSystem, err)
 	}
@@ -39,7 +39,7 @@ func ProcessDWBG5SAMRequest(ctx context.Context, params []byte, deps *processors
 	reqData := map[string]interface{}{
 		"name":         encryptedName,
 		"idCard":       encryptedIDCard,
-		"phone":        encryptedPhone,
+		"phone":        encryptedMobileNo,
 		"accessoryUrl": paramsDto.AuthorizationURL,
 	}