diff --git a/src/pages/FinancialMgm/OrderInquiry/ParkingOrderInquiry/index.jsx b/src/pages/FinancialMgm/OrderInquiry/ParkingOrderInquiry/index.jsx
index b389ffc..fe39b2e 100644
--- a/src/pages/FinancialMgm/OrderInquiry/ParkingOrderInquiry/index.jsx
+++ b/src/pages/FinancialMgm/OrderInquiry/ParkingOrderInquiry/index.jsx
@@ -23,6 +23,9 @@ function ParkingOrderInquiry(props) {
     const [carId, setCarId] = useState()
     function getQueryString(name, search) {
         search = search || window.location.search.substr(1) || window.location.hash.split("?")[1];
+        if(!search){
+            return
+        }
         let reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
         let r = search.match(reg);
         if (r != null) return unescape(r[2]); return null;