From 0490cb7ad2de6eabb317a7f34fe40b27dec26518 Mon Sep 17 00:00:00 2001
From: dengsgo <dengsgo@yoytang.com>
Date: Tue, 11 Sep 2018 10:12:52 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=20slice=E6=8A=A5=E9=94=99?=
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---
 util.go | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/util.go b/util.go
index e0e5dff..d8bdf3a 100644
--- a/util.go
+++ b/util.go
@@ -55,12 +55,18 @@ func arrayUniqueAdd(a []string, add string) []string {
 }
 
 func arrayRemoveElement(a []string, r string) []string {
-	i := 0
+	i := -1
 	for k, v := range a {
 		if v == r {
 			i = k
 			break
 		}
 	}
+	if i == -1 {
+		return a
+	}
+	if len(a) == 1 && i == 0 {
+		return []string{}
+	}
 	return append(a[:i], a[i+1:]...)
 }