From 1bb78d11b722ddc9f51c3b1f738fa94806b9c0c1 Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Sat, 27 May 2017 22:41:39 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9Bin=E6=9F=A5=E8=AF=A2=E7=9A=84?=
 =?UTF-8?q?=E5=8E=BB=E9=87=8D=E9=97=AE=E9=A2=98?=
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---
 library/think/db/Builder.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/think/db/Builder.php b/library/think/db/Builder.php
index ecec0b0e..23f88836 100644
--- a/library/think/db/Builder.php
+++ b/library/think/db/Builder.php
@@ -376,7 +376,7 @@ abstract class Builder
             if ($value instanceof \Closure) {
                 $whereStr .= $key . ' ' . $exp . ' ' . $this->parseClosure($value);
             } else {
-                $value = is_array($value) ? $value : explode(',', $value);
+                $value = array_unique(is_array($value) ? $value : explode(',', $value));
                 if (array_key_exists($field, $binds)) {
                     $bind  = [];
                     $array = [];