From 0a51f7d743ec0459726368fb65fc2af9813239f6 Mon Sep 17 00:00:00 2001
From: tzg <tang_guo_168@163.com>
Date: 星期三, 02 九月 2020 14:59:10 +0800
Subject: [PATCH] 空值处理

---
 ruoyi-system/src/main/resources/mapper/system/SysConfigMapper.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/ruoyi-system/src/main/resources/mapper/system/SysConfigMapper.xml b/ruoyi-system/src/main/resources/mapper/system/SysConfigMapper.xml
index 2f0c8be..9c35661 100644
--- a/ruoyi-system/src/main/resources/mapper/system/SysConfigMapper.xml
+++ b/ruoyi-system/src/main/resources/mapper/system/SysConfigMapper.xml
@@ -61,7 +61,7 @@
     
     <select id="checkConfigKeyUnique" parameterType="String" resultMap="SysConfigResult">
         <include refid="selectConfigVo"/>
-        where config_key = #{configKey}
+        where config_key = #{configKey} limit 1
     </select>
     
     <insert id="insertConfig" parameterType="SysConfig">

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