const app = getApp();
Component({
  properties: {
    course_id:Number,
    refresh:{
      type:Number,
      observer:function(r){
        if (r) {
          this.onPullDownRefresh();
          this.setData({ refresh: false });
        }
      }
    }
  },
  data: {
    
  },
  
  methods: {

  }
})