From 97ce939a737d7a4cc61e138ec092682e21e14c7c Mon Sep 17 00:00:00 2001
From: syuilo <syuilotan@yahoo.co.jp>
Date: Sun, 6 May 2018 18:19:17 +0900
Subject: [PATCH] Fix

---
 migration/2.4.0.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/migration/2.4.0.js b/migration/2.4.0.js
index d324d4471e..e9584a1dfc 100644
--- a/migration/2.4.0.js
+++ b/migration/2.4.0.js
@@ -44,6 +44,8 @@ async function main() {
 					}
 				}
 
+				if (Object.keys(set).length === 0) return res([i, user]);
+
 				User.update({
 					_id: user._id
 				}, {