formSubmit: function(e) {
    console.log('图片：', that.data.images)
    that.data.content = e.detail.value['input-content'];
    if(Object.keys(that.data.user).length===0){
      that.jugdeUserLogin();
    }
    else{
      if (that.data.images.lengt > 0){
        that.saveDataToServer();
      }else if(that.data.content.trim() != ''){
        that.saveDataToServer();
        console.log("进行内容保存")
      } else if(that.data.srcVideo.trim()!= ''){
        that.saveDataToServer();
      }else{
        wx.showToast({
          icon: 'none',
          title: '写点东西吧',
        })
      }
    }
  },
  /**
   * 保存到发布集合中
   */
  saveDataToServer: function(event) {
    console.log("updata添加数据")
    const db = wx.cloud.database()
    db.collection('topic').add({
      // data 字段表示需新增的 JSON 数据
      data: {
        content: that.data.content,
        date: new Date(),
        images: that.data.images,
        user: that.data.user,
        isLike:0,
        srcVideo:that.data.srcVideo,
        count:0,
        label:that.data.label,
         collect:0,
      },

点第一次执行了console.log('图片：', that.data.images)

然后停住了，第二次才又重头进行了一遍