diff --git a/app/controllers/pull_requests_controller.rb b/app/controllers/pull_requests_controller.rb
index 114d7b0bd..718d11745 100644
--- a/app/controllers/pull_requests_controller.rb
+++ b/app/controllers/pull_requests_controller.rb
@@ -17,7 +17,7 @@ class PullRequestsController < ApplicationController
   require 'json'
   require 'open-uri'
   require 'uri'
-  # require 'string.io' # add by zxh: 将控制台shell命令输出到指定位置
+  require 'stringio' # add by zxh: 将控制台shell命令输出到指定位置
 
   # 返回json格式
   def index
@@ -335,18 +335,18 @@ class PullRequestsController < ApplicationController
       pushTXInfo["shas"] = shas # 后续修改为shaList
       pushTXInfoJson = pushTXInfo.to_json
       # 发送交易
-      # Rails.logger.info("before executing chain_trustie command...")
-      # cmd = "chain_trustie pushPRTX " + pushTXInfoJson
-      # # result = system  # 执行失败了
-      # output = StringIO.new
-      # IO.popen(cmd) do |pipe|
-      #   pipe.each do |line|
-      #     Rails.logger.info(line)
-      #   end
-      # end
-      # Rails.logger.info(output.string)
-      # # Rails.logger.info(result)
-      # Rails.logger.info("after executing chain_trustie command...")
+      Rails.logger.info("before executing chain_trustie command...")
+      cmd = "chain_trustie pushPRTX " + pushTXInfoJson
+      # result = system  # 执行失败了
+      output = StringIO.new
+      IO.popen(cmd) do |pipe|
+        pipe.each do |line|
+          Rails.logger.info(line)
+        end
+      end
+      Rails.logger.info(output.string)
+      # Rails.logger.info(result)
+      Rails.logger.info("after executing chain_trustie command...")
       # add by zxh end
 
       respond_to do |format|