upd

com.sharemao.web.xw3/src/main/webapp/activation.jsp

@@ -21,7 +21,8 @@
   <script language="javascript" type="text/javascript" src="/static/js/jquery-3.6.0.min.js"></script>
   <script language="javascript" type="text/javascript" src="/static/js/animate.min.js"></script>
   <script language="javascript" type="text/javascript" src="/static/js/main.js"></script>
-  <style>
+ <script language="javascript" type="text/javascript" src="http://res.wx.qq.com/open/js/jweixin-1.6.0.js"></script>
+ <style>
     .qrscan {
         position: absolute;
         right: 19px;
@@ -42,7 +43,7 @@
       <div class="input">
         <div class="title">设备号</div>
         <input type="tel" placeholder="请输入设备号" id="sn" name="devid" value="${sn}" inputmode="numeric">
-        <img src="/static/img/saoyisao.jpg" class="qrscan">
+        <img src="/static/img/saoyisao.jpg" class="qrscan" id="qrscan">
       </div>
       <div class="input">
         <div class="title">手机号</div>
@@ -173,7 +174,7 @@
                 console.log(res);
               // config信息验证失败会执行error函数，如签名过期导致验证失败，具体错误信息可以打开config的debug模式查看，也可以在返回的res参数中查看，对于SPA可以在这里更新签名。
             });
-            var btn = document.getElementById('img-qrscan');
+            var btn = document.getElementById('qrscan');
             btn.addEventListener('click', function (e) {
                 wx.scanQRCode({
                   needResult: 1,