diff --git a/src/chain/WalletReactor.ts b/src/chain/WalletReactor.ts
index 263c314..fc0e403 100644
--- a/src/chain/WalletReactor.ts
+++ b/src/chain/WalletReactor.ts
@@ -83,10 +83,10 @@ export class WalletReactor {
     let gas = await this.contract.methods
       .executeBatch(operation.targets, operation.values, operation.datas, operation.predecessor, operation.salt)
       .estimateGas({ from: this.account.address })
-    console.log(gas)
+    gas = gas | 0
     let res = await this.contract.methods
       .executeBatch(operation.targets, operation.values, operation.datas, operation.predecessor, operation.salt)
-      .send({ gas: 1000000 })
+      .send({ gas })
     return res
   }