diff --git a/mvcar/Pipfile b/mvcar/Pipfile
new file mode 100644
index 0000000..f0a81bd
--- /dev/null
+++ b/mvcar/Pipfile
@@ -0,0 +1,11 @@
+[[source]]
+url = "https://pypi.tuna.tsinghua.edu.cn/simple\n"
+verify_ssl = true
+name = "pip_conf_index_global"
+
+[packages]
+
+[dev-packages]
+
+[requires]
+python_version = "3.8"
diff --git a/mvcar/data/cars.db b/mvcar/data/cars.db
new file mode 100644
index 0000000..633094d
Binary files /dev/null and b/mvcar/data/cars.db differ
diff --git a/mvcar/frontend/js/script.js b/mvcar/frontend/js/script.js
index 14eab39..450cd95 100644
--- a/mvcar/frontend/js/script.js
+++ b/mvcar/frontend/js/script.js
@@ -3,26 +3,10 @@ document.addEventListener('DOMContentLoaded', function() {
     const licensePlateInput = document.getElementById('licensePlate');
     const errorMessage = document.getElementById('errorMessage');
 
-    // 从JSON文件获取车辆数据库
-    let carDatabase = [];
-    let isDataLoaded = false;
-    
     // 添加搜索频率限制
     let lastSearchTime = 0;
     const SEARCH_DELAY = 1000; // 1秒内只能搜索一次
 
-    // 加载车辆数据
-    fetch('js/cars.json')
-        .then(response => response.json())
-        .then(data => {
-            carDatabase = data;
-            isDataLoaded = true;
-        })
-        .catch(error => {
-            console.error('加载车辆数据失败:', error);
-            showError('无法加载车辆数据库');
-        });
-
     searchButton.addEventListener('click', function() {
         const plate = licensePlateInput.value.trim();
         
@@ -45,32 +29,30 @@ document.addEventListener('DOMContentLoaded', function() {
             return;
         }
 
-        // 检查数据是否已加载
-        if (!isDataLoaded) {
-            showError('数据加载中，请稍后再试...');
-            return;
-        }
-
-        // 改进的模糊匹配逻辑 - 要求至少3个连续字符匹配
-        const carInfo = carDatabase.find(car => {
-            const lowerPlate = car.plate.toLowerCase();
-            const searchPlate = plate.toLowerCase();
-            
-            // 只有当搜索词长度>=3且能找到连续匹配时才返回true
-            if (searchPlate.length >= 3) {
-                return lowerPlate.includes(searchPlate);
-            }
-            return false;
-        });
-        
-        if (carInfo) {
-            // 将车辆信息存储到 sessionStorage
-            sessionStorage.setItem('carInfo', JSON.stringify(carInfo));
-            // 跳转到结果页面
-            window.location.href = 'result.html';
-        } else {
-            showError('没有找到该车牌号码对应的车主信息');
-        }
+        // 从后端API获取数据
+        fetch(`http://localhost:5000/api/cars/search?plate=${encodeURIComponent(plate)}`)
+            .then(response => {
+                if (!response.ok) {
+                    throw new Error('网络响应错误');
+                }
+                return response.json();
+            })
+            .then(data => {
+                if (data.length > 0) {
+                    // 取第一个匹配的结果
+                    const carInfo = data[0];
+                    // 将车辆信息存储到 sessionStorage
+                    sessionStorage.setItem('carInfo', JSON.stringify(carInfo));
+                    // 跳转到结果页面
+                    window.location.href = 'result.html';
+                } else {
+                    showError('没有找到该车牌号码对应的车主信息');
+                }
+            })
+            .catch(error => {
+                console.error('请求失败:', error);
+                showError('查询失败，请稍后再试');
+            });
     });
 
     // 回车键触发搜索