diff --git a/web/src/main/resources/static/js/jlw/student/index.js b/web/src/main/resources/static/js/jlw/student/index.js
index 976f8f14..5fdc4cbe 100644
--- a/web/src/main/resources/static/js/jlw/student/index.js
+++ b/web/src/main/resources/static/js/jlw/student/index.js
@@ -197,7 +197,7 @@ layui.define(['form', 'laydate', 'table'], function (exports) {
                 var htm = '<div style="text-align: center;">\n' +
                     '<div style="border: 1px solid #a9a6a6;width: 120px;margin: 0 auto;padding: 10px;">\n';
                 if (!$.isEmpty(qrCode)){
-                    htm +='<img style="width: 120px;height: 120px;" src='+qrCode+'>';
+                    htm +='<img style="width: 120px;height: 120px;" src="'+qrCode+'" />';
                 }else {
                     htm +='<div slot="placeholder" class="image-slot">\n' +
                         '加载中<span class="dot">...</span>\n' +
diff --git a/web/src/main/resources/static/js/jlw/teacher/index.js b/web/src/main/resources/static/js/jlw/teacher/index.js
index a0c4a684..d9c12a75 100644
--- a/web/src/main/resources/static/js/jlw/teacher/index.js
+++ b/web/src/main/resources/static/js/jlw/teacher/index.js
@@ -165,7 +165,7 @@ layui.define(['form', 'laydate', 'table'], function (exports) {
                 var htm = '<div style="text-align: center;">\n' +
                     '<div style="border: 1px solid #a9a6a6;width: 120px;margin: 0 auto;padding: 10px;">\n';
                 if (!$.isEmpty(qrCode)){
-                    htm +='<img style="width: 120px;height: 120px;" src='+qrCode+'>';
+                    htm +='<img style="width: 120px;height: 120px;" src="'+qrCode+'" />';
                 }else {
                     htm +='<div slot="placeholder" class="image-slot">\n' +
                         '加载中<span class="dot">...</span>\n' +