diff --git a/server/web3sign/controllers/erc.js b/server/web3sign/controllers/erc.js
index 132778d..5a55da2 100644
--- a/server/web3sign/controllers/erc.js
+++ b/server/web3sign/controllers/erc.js
@@ -32,6 +32,16 @@ async function approveErc20(session) {
         return;
       }
     }
+    const contractMeta = bc.getContractByName(currencyName);
+    if (!contractMeta) {
+      session.rspErr(500, 'currency meta not found');
+      return;
+    }
+    console.log(contractMeta);
+    if (contractMeta['type'] != 'erc20') {
+      session.rspErr(500, 'currency meta type error');
+      return;
+    }
 
     const instance = bc.getInstanceByName(currencyName);
     if (!instance) {
@@ -46,7 +56,7 @@ async function approveErc20(session) {
     session.rspData({
       'trans_id' : '',
       'trans_req': {
-        'to': '',
+        'to': contractMeta['address'],
         'data': data
       }
     });