diff --git a/data.xlsx b/data.xlsx
index 6883859..6378200 100644
Binary files a/data.xlsx and b/data.xlsx differ
diff --git a/remove-empty-license.js b/remove-empty-license.js
new file mode 100644
index 0000000..a5df6e1
--- /dev/null
+++ b/remove-empty-license.js
@@ -0,0 +1,26 @@
+
+import fs from 'fs/promises';
+
+async function removeEmptyLicenseRecords() {
+    try {
+        const filePath = './data.json';
+        const data = await fs.readFile(filePath, 'utf-8');
+        let records = JSON.parse(data);
+
+        // Filter out records where "许可证号" is "空"
+        const filteredRecords = records.filter(record => record['许可证号'] !== '空');
+
+        // Update the sequential "序号" field for the remaining records
+        for (let i = 0; i < filteredRecords.length; i++) {
+            filteredRecords[i]['序号'] = (i + 1).toString();
+        }
+
+        await fs.writeFile(filePath, JSON.stringify(filteredRecords, null, 4), 'utf-8');
+        console.log(`已从 data.json 中删除所有 "许可证号" 为 "空" 的数据。共删除 ${records.length - filteredRecords.length} 条记录。`);
+        console.log('序号字段已重新编号以保持顺序。');
+    } catch (error) {
+        console.error('删除空许可证号数据时发生错误:', error.message);
+    }
+}
+
+removeEmptyLicenseRecords();