diff --git a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysOssConfigServiceImpl.java b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysOssConfigServiceImpl.java
index 5a6e8de5..a67abe54 100644
--- a/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysOssConfigServiceImpl.java
+++ b/ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysOssConfigServiceImpl.java
@@ -88,7 +88,12 @@ public class SysOssConfigServiceImpl extends ServicePlusImpl<SysOssConfigMapper,
     public Boolean updateByBo(SysOssConfigBo bo) {
         SysOssConfig config = BeanUtil.toBean(bo, SysOssConfig.class);
         validEntityBeforeSave(config);
-		return setConfigCache(updateById(config), config);
+		LambdaUpdateWrapper<SysOssConfig> luw = new LambdaUpdateWrapper<>();
+		luw.set(StringUtils.isBlank(config.getPrefix()), SysOssConfig::getPrefix, "");
+		luw.set(StringUtils.isBlank(config.getRegion()), SysOssConfig::getRegion, "");
+		luw.set(StringUtils.isBlank(config.getExt1()), SysOssConfig::getExt1, "");
+		luw.eq(SysOssConfig::getOssConfigId, config.getOssConfigId());
+		return setConfigCache(update(config, luw), config);
     }
 
     /**