diff --git a/server/bin_dev/web3service/config/marketdb_mysql.json b/server/bin_dev/web3service/config/blockchaindb_mysql.json
similarity index 100%
rename from server/bin_dev/web3service/config/marketdb_mysql.json
rename to server/bin_dev/web3service/config/blockchaindb_mysql.json
diff --git a/server/web3service/services/blockchain.js b/server/web3service/services/blockchain.js
index 6601847..e41d7c9 100644
--- a/server/web3service/services/blockchain.js
+++ b/server/web3service/services/blockchain.js
@@ -12,12 +12,16 @@ class BlockChain extends BaseService {
 
   #bc = null;
 
+  async staticInit() {
+
+  }
+
   async init(netId) {
     this.#bc = getBc(netId);
   }
 
   getNftAddress(tokenType) {
-
+    return this.#bc.getNftAddress(tokenType);
   }
 
   async soliditySha3Sign() {
diff --git a/server/web3service/services/factory.js b/server/web3service/services/factory.js
index 05a173f..89feea5 100644
--- a/server/web3service/services/factory.js
+++ b/server/web3service/services/factory.js
@@ -8,6 +8,9 @@ async function internalAdd(clsName, modName, isSingle) {
     'class': modClass,
     'isSingle': isSingle
   };
+  if (modClass.staticInit) {
+    await modClass.staticInit();
+  }
 }
 
 async function add(clsName, modName) {