diff --git a/app/main/api/internal/service/apirequestService.go b/app/main/api/internal/service/apirequestService.go
index 71d4daf..232f75b 100644
--- a/app/main/api/internal/service/apirequestService.go
+++ b/app/main/api/internal/service/apirequestService.go
@@ -1403,8 +1403,8 @@ func (a *ApiRequestService) ProcessQCXG6B4ERequest(params []byte) ([]byte, error
 	}
 	// 天远文档字段名为 VINCode、Authorized
 	resp, err := a.tianyuanapi.CallInterface("QCXG6B4E", map[string]interface{}{
-		"VINCode":    vin.String(),
-		"Authorized": auth,
+		"vin_code":   vin.String(),
+		"authorized": auth,
 	})
 	if err != nil {
 		return nil, err