From dd9ef8431bf57081829b36d0564277971c001f48 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子Li <15040126243@163.com>
Date: 星期三, 21 十二月 2022 21:33:29 +0800
Subject: [PATCH] fix 修复 根据key更新参数配置报null问题

---
 ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
index 31f4c1d..c39ec74 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysConfigServiceImpl.java
@@ -136,12 +136,12 @@
     @CachePut(cacheNames = CacheNames.SYS_CONFIG, key = "#config.configKey")
     @Override
     public String updateConfig(SysConfig config) {
-        SysConfig temp = baseMapper.selectById(config.getConfigId());
-        if (!StringUtils.equals(temp.getConfigKey(), config.getConfigKey())) {
-            CacheUtils.evict(CacheNames.SYS_CONFIG, temp.getConfigKey());
-        }
         int row = 0;
         if (config.getConfigId() != null) {
+            SysConfig temp = baseMapper.selectById(config.getConfigId());
+            if (!StringUtils.equals(temp.getConfigKey(), config.getConfigKey())) {
+                CacheUtils.evict(CacheNames.SYS_CONFIG, temp.getConfigKey());
+            }
             row = baseMapper.updateById(config);
         } else {
             row = baseMapper.update(config, new LambdaQueryWrapper<SysConfig>()

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