From 12996d15cdbed47d68265870510625ce5b094916 Mon Sep 17 00:00:00 2001
From: spacewander <spacewanderlzx@gmail.com>
Date: Mon, 7 Dec 2020 14:33:48 +0800
Subject: [PATCH] fix: we should use [1, 100] for percentage instead of [0,
 100]

Previously, we got n+1/101 as the percentage.
---
 apisix/plugins/fault-injection.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/apisix/plugins/fault-injection.lua b/apisix/plugins/fault-injection.lua
index aace3e249941..478638aa2f85 100644
--- a/apisix/plugins/fault-injection.lua
+++ b/apisix/plugins/fault-injection.lua
@@ -60,7 +60,7 @@ local function sample_hit(percentage)
         return true
     end
 
-    return random(0, 100) <= percentage
+    return random(1, 100) <= percentage
 end