修改BUG 86 测试计算机设备-一般告警—保存列顺序功能 保存功能多次点击后不能使用

@@ -913,7 +913,8 @@ layui.define(['xmSelect', 'md5'], function (exports) {
                 var sessions = layui.sessions;
                 var sessions = layui.sessions;
                 accessToken = sessions.getToken()['access_token'];
                 accessToken = sessions.getToken()['access_token'];
             });
             });
-            var cols = data['cols'][0];
+            var parseData=JSON.parse(data['cols']);
+            var cols = parseData[0];
             $.each(cols, function (i, e) {
             $.each(cols, function (i, e) {
                 if (e['isChild']) {
                 if (e['isChild']) {
                     if (e['isChild'] && typeof e['isChild'] === 'function') {
                     if (e['isChild'] && typeof e['isChild'] === 'function') {