From a2d95a8083dca6bec3797343c2fb3fc29ce39e31 Mon Sep 17 00:00:00 2001
From: chenzz <cs.chenzz@qq.com>
Date: Tue, 14 May 2019 16:33:20 +0800
Subject: [PATCH] =?UTF-8?q?=E8=A7=A3=E5=86=B3=E5=9C=A8=E6=B2=A1=E6=9C=89?=
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---
 .../src/main/resources/mapper/system/SysOperLogMapper.xml       | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ruoyi-system/src/main/resources/mapper/system/SysOperLogMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysOperLogMapper.xml
index 334662274..b75e78dc3 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysOperLogMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysOperLogMapper.xml
@@ -40,7 +40,7 @@ PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
 			<if test="businessType != null">
 				AND business_type = #{businessType}
 			</if>
-			<if test="businessTypes != null and businessTypes != ''">
+			<if test="businessTypes != null and businessTypes.length > 0">
 			    AND business_type in
 			    <foreach collection="businessTypes" item="businessType" open="(" separator="," close=")">
 		 			#{businessType}