diff --git a/server/web3spider/metadata/Item.js b/server/web3spider/metadata/Item.js
deleted file mode 100644
index 5daa397..0000000
--- a/server/web3spider/metadata/Item.js
+++ /dev/null
@@ -1,97 +0,0 @@
-const assert = require('assert');
-const utils = require('j7/utils');
-const bcutils = require('j7/bcutils');
-const basewrap = require('./basewrap');
-const factory = require('./factory');
-
-const HERO_TYPE = 3;
-const GUN_TYPE = 7;
-const MATERIAL_TYPE = 10;
-const BLIND_BOX_TYPE = 12;
-
-const CHIP_TYPE = 13;
-
-const MATERIAL_CHIP_SUBTYPE = 3;
-
-class Item extends basewrap.BaseWrap {
-
-  getNftType() {
-    switch (this['type']) {
-    case HERO_TYPE:
-      {
-        return bcutils.HERO_TYPE;
-      }
-      break;
-    case GUN_TYPE:
-      {
-        return bcutils.EQUIP_TYPE;
-      }
-      break;
-    case MATERIAL_TYPE:
-      {
-        if (this['sub_type'] == MATERIAL_CHIP_SUBTYPE) {
-          return bcutils.CHIP_TYPE;
-        } else {
-          return bcutils.NONE_TYPE;
-        }
-      }
-      break;
-    case CHIP_TYPE:
-      {
-          return bcutils.CHIP_TYPE;
-      }
-      break;
-    case BLIND_BOX_TYPE:
-      {
-        return bcutils.BLIND_BOX_TYPE;
-      }
-      break;
-    default:
-      {
-        return bcutils.NONE_TYPE;
-      }
-      break;
-    }
-    return bcutils.NONE_TYPE;
-  }
-
-  static randHero(transId) {
-    const val = Math.abs(utils.crc32Str(transId));
-    const heros = [
-      30100,
-      30200,
-      30300,
-      30400,
-      30500,
-      30600,
-      30700,
-      30800,
-      30900,
-      31000
-    ];
-    return heros[val % heros.length];
-  }
-
-  static randGun(transId) {
-    const val = Math.abs(utils.crc32Str(transId));
-    const guns = [
-      70001,
-      70002,
-      70003,
-      70004,
-      70005,
-      70006,
-      70007
-    ];
-    return guns[val % guns.length];
-  }
-
-  randLuckBox(tokenType) {
-    const itemId = factory.callMetaStatic('LuckyBox', 'randLuckBox', this['id'], tokenType);
-    assert(itemId > 0);
-    return itemId;
-  }
-
-}
-
-module.exports = Item;
diff --git a/server/web3spider/metadata/LuckyBox.js b/server/web3spider/metadata/LuckyBox.js
deleted file mode 100644
index d9f3cd7..0000000
--- a/server/web3spider/metadata/LuckyBox.js
+++ /dev/null
@@ -1,52 +0,0 @@
-const assert = require('assert');
-const utils = require('j7/utils');
-const bcutils = require('j7/bcutils');
-const basewrap = require('./basewrap');
-
-class LuckyBox extends basewrap.BaseWrap {
-
-  static idTypeHash = {
-
-  }
-
-  _init0(factory) {
-    const key = this['box_id'] + '_' + this['type'];
-    if (!utils.hasKey(LuckyBox.idTypeHash, key)) {
-      LuckyBox.idTypeHash[key] = {
-        'total_space': 0,
-        'items': []
-      };
-    }
-    assert(this['weight'] > 0);
-    LuckyBox.idTypeHash[key]['total_space'] += this['weight'];
-    LuckyBox.idTypeHash[key]['items'].push({
-      'space': LuckyBox.idTypeHash[key]['total_space'],
-      'meta': this
-    });
-    const itemMeta = factory.getMetaByKey('Item', this['item_id']);
-    assert(itemMeta);
-    assert(itemMeta.getNftType() != bcutils.NONE_TYPE);
-    assert(itemMeta.getNftType() == this['type']);
-  }
-
-  static randLuckBox(boxId, tokenType) {
-    const key = boxId + '_' + tokenType;
-    if (!utils.hasKey(LuckyBox.idTypeHash, key)) {
-      console.log(1111, key);
-      return 0;
-    }
-    const data = LuckyBox.idTypeHash[key];
-    assert(data['total_space'] > 0);
-    const rand = utils.randRange(0, data['total_space'] - 1);
-    for (let i in data['items']) {
-      const item = data['items'][i];
-      if (rand < item['space']) {
-        return item['meta']['item_id'];
-      }
-    }
-    return 0;
-  }
-
-}
-
-module.exports = LuckyBox;
diff --git a/server/web3spider/metadata/Present.js b/server/web3spider/metadata/Present.js
deleted file mode 100644
index f5b5540..0000000
--- a/server/web3spider/metadata/Present.js
+++ /dev/null
@@ -1,57 +0,0 @@
-const utils = require('j7/utils');
-const bcutils = require('j7/bcutils');
-const basewrap = require('./basewrap');
-const metaFactory = require('./factory');
-
-class Present extends basewrap.BaseWrap {
-
-  _init0 () {
-    const items = this['items'].split('|');
-    let totalSpace = 0;
-    this._items = [];
-    items.forEach((tmpStr) => {
-      const item = tmpStr.split(':');
-      item[1] = parseInt(item[1]);
-      totalSpace += item[1];
-      const itemMeta = metaFactory.getMetaByKey('Item', item[0]);
-      if (!itemMeta) {
-        throw 'itemMeta is null' + this;
-      }
-      const nftType = itemMeta.getNftType();
-      if (nftType == bcutils.NONE_TYPE) {
-        throw 'itemMeta nft type is null' + this;
-      }
-      this._items.push({
-        'space': totalSpace,
-        'itemId': item[0],
-        'tokenType': nftType
-      });
-    });
-    if (!(totalSpace > 0)) {
-      throw 'total not > 0' + this
-    }
-    this._totalSpace = totalSpace;
-  }
-
-  randItem() {
-    const rand = utils.randRange(0, this._totalSpace);
-    for (let i in this._items) {
-      const item = this._items[i];
-      if (rand < item['space']) {
-        return item;
-      }
-    }
-    return null;
-  }
-
-  getCount() {
-    return this['quantity'];
-  }
-
-  getTags() {
-    return this['tags'];
-  }
-
-}
-
-module.exports = Present;
diff --git a/server/web3spider/metadata/PresentList.js b/server/web3spider/metadata/PresentList.js
deleted file mode 100644
index 32d9535..0000000
--- a/server/web3spider/metadata/PresentList.js
+++ /dev/null
@@ -1,8 +0,0 @@
-const utils = require('j7/utils');
-const basewrap = require('./basewrap');
-
-class PresentList extends basewrap.BaseWrap {
-
-}
-
-module.exports = PresentList;
diff --git a/server/web3spider/metadata/factory.js b/server/web3spider/metadata/factory.js
index 0860387..7c3ba48 100644
--- a/server/web3spider/metadata/factory.js
+++ b/server/web3spider/metadata/factory.js
@@ -113,20 +113,6 @@ function init() {
                     '',
                     'GameDb'
                    );
-  registerMetaClass(configDir + 'present_list.json',
-                    '',
-                    'PresentList'
-                   );
-
-  registerMetaClass(resDir + 'item@item.json',
-                    'id',
-                    'Item'
-                   );
-  registerMetaClass(resDir + 'luckyBox@luckyBox.json',
-                    'id',
-                    'LuckyBox'
-                   );
-
   load();
   {
     const classList = [];