fix: 修复挂账按订单支付还款传参问题，增加修改密功能

src/views/tool/Instead/components/order.vue

@@ -378,9 +378,10 @@ async function pointsInit() {
   if (!props.user.id || score.sel == -1) {
     return;
   }
+  const orderAmount = currentpayMoney.value - pointsDiscountAmount.value;
   const res = await PointsApi.calcOrderUsablePoints({
     shopUserId: props.user.id,
-    orderAmount: currentpayMoney.value - pointsDiscountAmount.value,
+    orderAmount: orderAmount <= 0 ? 0 : orderAmount,
   });
   pointsRes.value = res;
   usePointsNumber.value = res.usable ? res.maxUsablePoints : 0;