diff --git a/internal/logic/bundleExtendLogic.go b/internal/logic/bundleExtendLogic.go
index 239a286..5d6fd76 100644
--- a/internal/logic/bundleExtendLogic.go
+++ b/internal/logic/bundleExtendLogic.go
@@ -26,7 +26,7 @@ func BundleExtend(req *bundle.BundleExtendRequest) (*bundle.BundleExtendResponse
 			ImageNumber:        int(req.ImagesAdditional),
 			DataAnalysisNumber: int(req.DataAdditional),
 			AccountNumber:      int(req.AccountAdditional),
-			DurationNumber:     int(req.DataAdditional),
+			DurationNumber:     int(req.AvailableDurationAdditional),
 		}); err != nil {
 			return nil, errors.New("用户没有余量信息")
 		}