diff --git a/src/views/system/stationItem/stationItemjs.js b/src/views/system/stationItem/stationItemjs.js
index 060a300..e883fc4 100644
--- a/src/views/system/stationItem/stationItemjs.js
+++ b/src/views/system/stationItem/stationItemjs.js
@@ -580,10 +580,10 @@ export default {
             if (this.form.nurseStationItemPrices.length > 0) {
                 this.form.nurseStationItemPrices.forEach(e => {
                     if (!e.commissionAmount || e.commissionAmount == "") {
-                        e.commissionRate = Number(e.commissionRate);
+                        e.commissionRate = null;
                     }
                     if (!e.commissionRate || e.commissionRate == "") {
-                        e.commissionAmount = Number(e.commissionAmount);
+                        e.commissionAmount = null;
                     }
                 });
             }