diff --git a/migrations/2_deploy_contracts.js b/migrations/2_deploy_contracts.js
index 0f3fa03..734aa1d 100644
--- a/migrations/2_deploy_contracts.js
+++ b/migrations/2_deploy_contracts.js
@@ -4,3 +4,5 @@ module.exports = function(deployer) {
   // 部署 VotingContract 合约
   deployer.deploy(VotingSystem);
 };
+
+