From 15fb47cb3d0220de6db1c5cf41ecffd03f532275 Mon Sep 17 00:00:00 2001
From: neil <win10@neilpang.com>
Date: Thu, 10 Dec 2020 20:21:57 +0800
Subject: [PATCH] fix https://github.com/acmesh-official/acme.sh/issues/3300

---
 deploy/docker.sh | 1 +
 1 file changed, 1 insertion(+)

diff --git a/deploy/docker.sh b/deploy/docker.sh
index 451d5d00..3aa1b2cd 100755
--- a/deploy/docker.sh
+++ b/deploy/docker.sh
@@ -275,6 +275,7 @@ _check_curl_version() {
 
   if [ "$_major$_minor" -lt "740" ]; then
     _err "curl v$_cversion doesn't support unit socket"
+    _err "Please upgrade to curl 7.40 or later."
     return 1
   fi
   if [ "$_major$_minor" -lt "750" ]; then