diff --git a/server/web3tools/app.js b/server/web3tools/app.js
index 63f58da..b8cb03a 100644
--- a/server/web3tools/app.js
+++ b/server/web3tools/app.js
@@ -1,3 +1,4 @@
+const fs = require('fs');
 const app = require('j7/app');
 const utils = require('j7/utils');
 const event = require('j7/event');
@@ -14,4 +15,5 @@ json.forEach(
     ++seqId;
   }
 );
+fs.writeFileSync('1.json', utils.prettyJsonEncode(json));
 console.log(utils.prettyJsonEncode(json));