From 1fe4e50f5a153edc738efbe92aba3f910e5c888e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=9A=E5=A2=A8?=
 <35804630+sober-wang@users.noreply.github.com>
Date: Mon, 19 Oct 2020 10:35:42 +0800
Subject: [PATCH] chore: show help message if the argument is invalid. (#2408)

---
 bin/apisix | 1 +
 1 file changed, 1 insertion(+)

diff --git a/bin/apisix b/bin/apisix
index 7b3da876..71a84346 100755
--- a/bin/apisix
+++ b/bin/apisix
@@ -1158,6 +1158,7 @@ end
 
 if not _M[cmd_action] then
     print("invalid argument: ", cmd_action, "\n")
+    _M.help()
     return
 end