diff --git a/server/web3dbspider/metadata/AirDrop.js b/server/web3dbspider/metadata/AirDrop.js
index 2769a85..410d136 100644
--- a/server/web3dbspider/metadata/AirDrop.js
+++ b/server/web3dbspider/metadata/AirDrop.js
@@ -3,9 +3,19 @@ const bcutils = require('j7/bcutils');
 const basewrap = require('./basewrap');
 const metaFactory = require('./factory');
 
+const tokenIdHash = {};
+
 class AirDrop extends basewrap.BaseWrap {
 
   _init0 () {
+    if (utils.hasKey(tokenIdHash, this['token_id'])) {
+      throw 'airdrop token_id error';
+    }
+    tokenIdHash[this['token_id']] = this;
+  }
+
+  static getAirDropByTokenId(tokenId) {
+    return utils.hasKey(tokenIdHash, tokenId) ? tokenIdHash[tokenId] : null;
   }
 
 }
diff --git a/server/web3dbspider/metadata/factory.js b/server/web3dbspider/metadata/factory.js
index 229680a..0b78476 100644
--- a/server/web3dbspider/metadata/factory.js
+++ b/server/web3dbspider/metadata/factory.js
@@ -242,7 +242,8 @@ function getAllTables() {
 }
 
 function getAirDrop(tokenId, netId, tokenType, contractAddress) {
-
+  const airDropMeta = callMetaStatic('AirDrop', tokenId);
+  return airDropMeta;
 }
 
 exports.init = init;