fix

subpages/addMattresses/addMattresses.js

@@ -529,6 +529,13 @@ Page({
       self.getResultType(util.ab2hex(res.value));
     })
   },
+  getCharCodeat: function (str) {
+    var list = [];
+    for (var i = 0; i < str.length; i++) {
+      list.push(str.charCodeAt(i));
+    }
+    return list;
+  },
   // 设备数据开始写入
   writeDevice: function (deviceId, serviceId, characteristicId, data) {
     //console.log("===== writeDevice =====");