From b4051596539db46fa9229a24d27813f3fdc9b7b6 Mon Sep 17 00:00:00 2001
From: Harry Chen <czy88840616@gmail.com>
Date: Mon, 6 Aug 2018 11:51:53 +0800
Subject: [PATCH] fix: ts-node register twice

---
 packages/midway/cluster/utils.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/midway/cluster/utils.js b/packages/midway/cluster/utils.js
index c66794b099d..4e8c3a7ef78 100644
--- a/packages/midway/cluster/utils.js
+++ b/packages/midway/cluster/utils.js
@@ -6,7 +6,7 @@
  */
 exports.isNeedCompile = options => {
   let need = options.typescript && options.isTsEnv;
-  if (need) {
+  if (need && !exports.isTypeScriptEnvironment()) {
     try {
       require('ts-node/register');
     } catch (e) {