diff --git a/server/web3sign/controllers/benftmall_trans.js b/server/web3sign/controllers/benftmall_trans.js
index 60d0360..0d9cd1f 100644
--- a/server/web3sign/controllers/benftmall_trans.js
+++ b/server/web3sign/controllers/benftmall_trans.js
@@ -62,9 +62,15 @@ async function buyPlanet(session) {
       ]);
     const nonce = transId;
     const orderId = transId;
-    const nftAddresses = [bc.getContractAddressByName('PLANET')];
-    const amounts = [1];
+    const nftAddresses = [];
+    const amounts = [];
     const values = [orderId, price, nowTime, nonce];
+    {
+      for (let i = 0; i < ids.length; ++i) {
+        nftAddresses.push(bc.getContractAddressByName('PLANET'));
+        amounts.push(1);
+      }
+    }
     utils.arrayToStrings(ids);
     utils.arrayToStrings(amounts);
     utils.arrayToStrings(values);