fix: handle init week busy

pages/appointment/appointment.js

@@ -155,6 +155,9 @@ Page({
         }
         if (index == that.data.currentWeek + 2) {
            item.active = true
+           if (that.data.currentWeek == 4 || that.data.currentWeek == 5) {
+             item.busy = true
+           }
            that.setData({
             choseDate: _year + '-' + _month + '-' + _day
           })