后台传图，缩略图没有，也没错误提示，是需要什么设置么

array (
  '_id' => new MongoId("59a36e33625a9c4adb6113c6"),
  'created_at' => new MongoInt32(1503882803),
  'created_user_id' => new MongoInt32(2),
  'updated_at' => new MongoInt32(1504102058),
  'name' => 
  array (
    'name_en' => 'Latest I-2016 Multi-Diag Access J2534 Pass-Thru OBD2 Device',
  ),
  'spu' => '10005',
  'sku' => '10005',
  'weight' => new MongoInt32(0),
  'score' => new MongoInt32(0),
  'status' => 1,
  'qty' => 10005,
  'is_in_stock' => new MongoInt32(1),
  'url_key' => '/latest-i-2016-multi-diag-access-j2534-pass-thru-obd2-device',
  'category' => 
  array (
    0 => '599e300a625a9c4add606c13',
  ),
  'price' => 10005,
  'cost_price' => new MongoInt32(0),
  'special_price' => 100,
  'special_from' => new MongoInt32(0),
  'special_to' => new MongoInt32(0),
  'tier_price' => 
  array (
  ),
  'final_price' => 100,
  'new_product_from' => new MongoInt32(0),
  'new_product_to' => new MongoInt32(0),
  'meta_title' => 
  array (
    'meta_title_en' => '',
  ),
  'meta_keywords' => 
  array (
    'meta_keywords_en' => '',
  ),
  'meta_description' => 
  array (
    'meta_description_en' => '',
  ),
  'image' => 
  array (
    'gallery' => 
    array (
      0 => 
      array (
        'image' => '/c/ia/ciaqp8cnsyvxiph1504102055.png',
        'label' => '',
        'sort_order' => '',
        'is_thumbnails' => '1',
        'is_detail' => '1',
      ),
    ),
    'main' => 
    array (
      'image' => '/j/v9/jv9357sw2gttcmo1503882783.jpg',
      'label' => '',
      'sort_order' => '',
      'is_thumbnails' => '1',
      'is_detail' => '1',
    ),
  ),
  'description' => 
  array (
    'description_en' => '10005',
  ),
  'short_description' => 
  array (
    'short_description_en' => '10005速度发生范德萨发放的说法但是范德萨发生发生的撒放大师傅发反反复复反反复复反反复复反反复复反反复复',
  ),
  'custom_option' => 
  array (
  ),
  'remark' => '',
  'attr_group' => 'default',
  'relation_sku' => '',
  'buy_also_buy_sku' => '',
  'see_also_see_sku' => '',
)