diff --git a/src/main/resources/static/js/tools/toolsMge.js b/src/main/resources/static/js/tools/toolsMge.js
index cf09a62..2050ac9 100644
--- a/src/main/resources/static/js/tools/toolsMge.js
+++ b/src/main/resources/static/js/tools/toolsMge.js
@@ -82,6 +82,7 @@ function initTable(dataList, limit, page) {
         limit: limit,
         cols: [
             [
+                {type: "checkbox", width: 50, unresize: true, align: "center"},
                 //表头
                 {title: "序号", width: 80, unresize: true, align: "center",
                     templet: function (d) {
@@ -108,20 +109,6 @@ function initTable(dataList, limit, page) {
                         return '<a href="#" style="color: blue;" onclick="handleClick2(\'' + d.submitLocation + '\',\'' + d.sampleTools + '\',\'' + d.devModule + '\',\'' + d.devCode + '\',\'' + d.experTime + '\',\'' + d.nextExperTime + '\',\'' + d.experUser + '\',\'' + d.experConclu + '\',\'' + d.customName + '\')">打印</a>';
                     }
                 },
-                // {title: "操作", unresize: true, width: 85, align: "center",
-                //     templet: function (d) {
-                //
-                //         let html = '';
-                //         // let  updaetpwd="<a class=\"layui-icon layui-icon-password\"  style='cursor:pointer;' title='修改密码'  onclick=\"resetPwd('" + d.id + "')\"></a>";
-                //         // let  del="<a class=\"layui-icon layui-icon-delete\"  style='cursor:pointer;' title='删除' onclick=\"delData('" + d.id + "')\"></a>"
-                //         let  view="<a class=\"layui-icon layui-icon-form\"  style='cursor:pointer;' title='查看'  onclick=\"addData('" + d.id + "')\"></a>";
-                //         html=view;
-                //         if(d.delFlag==1){
-                //             return '';
-                //         }
-                //         return html;
-                //     }
-                // },
             ],
         ],
         done: function (res, curr, count) {
@@ -177,11 +164,6 @@ function handleClick2(submitLocation,sampleTools,devModule,devCode,experTime,nex
     window.print();
 }
 
-// 关闭模态对话框
-span.click(function() {
-    modal.hide();
-});
-
 // 点击模态对话框外部区域也可以关闭模态对话框
 $(window).click(function(event) {
     if ($(event.target).is(modal)) {
@@ -189,11 +171,64 @@ $(window).click(function(event) {
     }
 });
 
-// 打印二维码
-printButton.click(function() {
-    // 使用浏览器的打印功能打印二维码
-    window.print();
-});
+/**
+ * 批量下载
+ */
+function batchDownload() {
+    var selectedRows = table.checkStatus("table_data").data;
+    if (selectedRows.length == 0) {
+        return layer.msg('请选择要下载的数据', {icon: 7})
+    }
+    // 创建一个临时 canvas 用于绘制带白边的二维码
+    var qrWidth = 300; // 二维码的标准宽度
+    var whiteBorder = 20; // 白边的宽度
+    var totalWidth = qrWidth + 2 * whiteBorder; // 总宽度
+    var canvas = document.createElement('canvas');
+    canvas.width = totalWidth;
+    canvas.height = totalWidth; // 保持正方形
+    var ctx = canvas.getContext('2d');
+
+    selectedRows.forEach(function (row, index) {
+        // 准备二维码内容
+        const qrCodeData = {
+            "样品名称": row.sampleTools,
+            "规格型号": row.devModule,
+            "样品编号": row.devCode,
+            "检验日期": row.experTime,
+            "下次检验日期": row.nextExperTime,
+            "试验人员": row.experUser,
+            "试验结果": row.experConclu,
+            "送检单位": row.customName
+        };
+
+        // 创建二维码并填充白色背景
+        $('#qr-canvas').empty();
+        $('#qr-canvas').qrcode(utf16to8(JSON.stringify(qrCodeData, null, 2)));
+
+        // 获取 qr-canvas 中的二维码元素
+        var qrCanvas = document.querySelector('#qr-canvas canvas');
+        var qrSize = qrCanvas.width;
+
+        // 绘制白边
+        ctx.fillStyle = "#FFFFFF"; // 设置白色
+        ctx.fillRect(0, 0, totalWidth, totalWidth); // 填充整个画布
+
+        // 计算二维码的位置以确保居中
+        var xOffset = (totalWidth - qrSize) / 2;
+        var yOffset = (totalWidth - qrSize) / 2;
+
+        // 将二维码绘制到白边画布中，居中对齐
+        ctx.drawImage(qrCanvas, xOffset, yOffset, qrSize, qrSize);
+        var dataURL = canvas.toDataURL('image/png');
+
+        // 创建下载链接并自动点击
+        var link = document.createElement('a');
+        link.href = dataURL;
+        link.download = `QRCode_${index + 1}.png`;
+        link.click();
+    });
+}
+
 
 function utf16to8(str) {
     var out, i, len, c;
diff --git a/src/main/resources/static/pages/tools/toolsMge.html b/src/main/resources/static/pages/tools/toolsMge.html
index f2a543b..50b9723 100644
--- a/src/main/resources/static/pages/tools/toolsMge.html
+++ b/src/main/resources/static/pages/tools/toolsMge.html
@@ -20,7 +20,7 @@
 <body>
 <div id="content">
     <div class="basic-search-box layout">
-        <form class="layui-form basic-form" onsubmit="return false;">
+        <form class="layui-form basic-form" onsubmit="return false;" style="width: 100%">
             <div class="layui-form-item">
 
                 <div class="layui-inline" style="padding: 0 0 0 10px;">
@@ -37,10 +37,10 @@
                 </div>
 
 
-                <div class="layui-inline btns">
+                <div class="layui-inline btns" style="width: 67%">
                     <button type="button" class="layui-btn layui-btn-normal layui-btn-sm btn-1" onclick="query(1)">查询
                     </button>
-                    <button type="button" class="layui-btn layui-btn-normal layui-btn-sm btn-1" onclick="downloads()"><i class="layui-icon layui-icon-download-circle" style="font-size: 24px;"></i></button>
+                    <button type="button" style="margin-left: 85%" class="layui-btn layui-btn-normal layui-btn-sm btn-1" onclick="batchDownload()"><i class="layui-icon layui-icon-download-circle" style="font-size: 24px;"></i></button>
                 </div>
             </div>
         </form>
@@ -50,6 +50,7 @@
         <div id="voi-page" class="layout"></div>
     </div>
 </div>
+<div id="qr-canvas"></div>
 <!-- 模态对话框 -->
 <div id="myModal" class="modal" style="text-align: center;">
     <div style="width: 380px; margin-left: 30%; margin-top: 11%">
@@ -100,6 +101,11 @@
         text-decoration: none;
         cursor: pointer;
     }
+
+    /* 简单样式，仅用于演示 */
+    #qr-canvas {
+        display: none;
+    }
 </style>
 
 <script src="../../js/tools/toolsMge.js" charset="UTF-8" type="text/javascript"></script>