diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysDeptMapper.java b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysDeptMapper.java
index b8158b359..92514f27f 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysDeptMapper.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/mapper/SysDeptMapper.java
@@ -12,7 +12,7 @@ import com.ruoyi.common.core.domain.entity.SysDept;
 public interface SysDeptMapper
 {
     /**
-     * 查询部门人数
+     * 查询下级部门数量
      * 
      * @param dept 部门信息
      * @return 结果
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/ISysDeptService.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/ISysDeptService.java
index c03f9cdf1..fc89be61c 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/ISysDeptService.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/ISysDeptService.java
@@ -45,7 +45,7 @@ public interface ISysDeptService
     public List<Ztree> roleDeptTreeData(SysRole role);
 
     /**
-     * 查询部门人数
+     * 根据父部门ID查询下级部门数量
      * 
      * @param parentId 父部门ID
      * @return 结果
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 3a77b333f..4b821dc96 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
@@ -111,6 +111,12 @@ public class SysConfigServiceImpl implements ISysConfigService
     @Override
     public int updateConfig(SysConfig config)
     {
+        SysConfig temp = configMapper.selectConfigById(config.getConfigId());
+        if (!StringUtils.equals(temp.getConfigKey(), config.getConfigKey()))
+        {
+            CacheUtils.remove(getCacheName(), getCacheKey(temp.getConfigKey()));
+        }
+
         int row = configMapper.updateConfig(config);
         if (row > 0)
         {
diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
index c0018f5ae..ffc4c0d38 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
@@ -146,7 +146,7 @@ public class SysDeptServiceImpl implements ISysDeptService
     }
 
     /**
-     * 查询部门人数
+     * 根据父部门ID查询下级部门数量
      * 
      * @param parentId 部门ID
      * @return 结果