读取sheet名称改为读取默认sheet

@@ -3123,7 +3123,8 @@ Handling Information
                 reader.onload = (e) => {
                     const data = new Uint8Array(e.target.result);
                     const workbook = XLSX.read(data, { type: 'array' });
-                    const worksheetName = '格式化打印'; // 指定工作表名称
+                    //const worksheetName = '格式化打印'; // 指定工作表名称
+                    const worksheetName = workbook.SheetNames[0];
                     const worksheet = workbook.Sheets[worksheetName];
                     if (worksheet) {
                         const AF1 = (worksheet['AF1'] && worksheet['AF1'].v) || '';