getData(){     let customer_id = localStorage.getItem('customer_id')             let param = new URLSearchParams();             param.append('customer_id', customer_id);            this.$http({                 method: 'post',                 url: '/Cases/list.do',                data: param             })             .then(({data})=>{                data.data.medicationCasesVoList.forEach((e)=>{                        if(e.medicationName !== ''){                            this.medicationCasesVoList.medicationName = e.medicationName;                         }                        if(e.medicationTime !== ''){                            this.medicationCasesVoList.medicationTime = e.medicationTime;                            // 時間戳轉日期                             this.changeTime1()                         }                     }) } 在網頁上調試可以進行賦值，但到app上的話就報錯