修改

app/Model/DeviceData.php

@@ -1,14 +0,0 @@
-<?php
-
-namespace App\Model;
-
-use Illuminate\Database\Eloquent\Model;
-
-class DeviceData extends Model
-{
-    protected $table = "device_data"; //指定表
-    const CREATED_AT = 'crt_time';
-    const UPDATED_AT = 'upd_time';
-    protected $dateFormat = 'U';
-
-}