<view class="map">     <map id="map" longitude="{{ longitude }}" latitude="{{ latitude }}" scale="14" show-location      markers="{{markers}}"></map> </view> 页面 getNearUsers(){       db.collection('users').where({         location: _.geoNear({           geometry: db.Geo.Point(this.data.longitude, this.data.latitude),           minDistance: 0,           maxDistance: 5000         }),         isLocation : true       }).field({         longitude : true,         latitude : true,         userPhoto : true       }).get().then((res)=>{         //  console.log( res.data );         let data = res.data;         let result = [];         if( data.length ){              for( let i =0; i< data.length; i++ ){                 result.push({                   iconpath: data[i].userPhoto ,                   id : data[i]._id,                   latitude:data[i].latitude,                   longitude:data[i].longitude,                   width : 30,                   height : 30                 });              }             this.setData({                markers : result              });         }       });   } js [/__pageframe__/pages/near/near] marker id should be a number 这是警告

  <movable-area class="area" >         <movable-view direction="horizontal"  class="view" >{{userMessage.nickName}}</movable-view>         <navigator url="{{'/pages/detail/detail? userId=' + userMessage._id}}" open-type="navigate">           <image src="{{userMessage.userPhoto}}" />         </navigator>         <view class="delete" >删除</view> </movable-area> 为什么这样获取不到id呢？  lifetimes: {     attached: function() {         db.collection('users').doc(this.data.messageId).field({  userPhoto:true,           nickName:true         }).get().then((res)=>{           this.setData({             userMessage: res.data           })         })     }   } 这是报错 VM2036 WAService.js:2 Error: errCode: -1  | errMsg: collection.doc:fail docId must not be empty; at collection.doc api;

db.collection('users').field({           userPhoto:true,          nickName:true,          links:true        })       .get().then((res)=>{          this.setData({             listData : res.data          });        }); 为什么运行的出来的跟写的代码不一样·呢 db.collection('users').where({}) .field({   userPhoto: true,   nickName: true,   links: true }) .get() 发起的如下数据库查询经自动检测发现以下问题