diff --git a/mvcar/js/script.js b/mvcar/js/script.js
index e74a784..fdb508d 100644
--- a/mvcar/js/script.js
+++ b/mvcar/js/script.js
@@ -33,8 +33,11 @@ document.addEventListener('DOMContentLoaded', function() {
             return;
         }
 
-        // 在数据库中查找车牌（支持模糊匹配）
-        const carInfo = carDatabase.find(car => car.plate.includes(plate));
+        // 在数据库中查找车牌（支持模糊匹配，忽略大小写）
+        //const carInfo = carDatabase.find(car => car.plate.includes(plate));
+        const carInfo = carDatabase.find(car => 
+            car.plate.toLowerCase().includes(plate.toLowerCase())
+        );
         
         if (carInfo) {
             // 将车辆信息存储到 sessionStorage