diff --git a/sql/mysql/youlai_admin.sql b/sql/mysql/youlai_admin.sql
index 1d7ce941..5cea7735 100644
--- a/sql/mysql/youlai_admin.sql
+++ b/sql/mysql/youlai_admin.sql
@@ -364,8 +364,7 @@ CREATE TABLE `sys_user`  (
                              `update_time` datetime COMMENT '更新时间',
                              `update_by` bigint COMMENT '修改人ID',
                              `is_deleted` tinyint(1) DEFAULT 0 COMMENT '逻辑删除标识(0-未删除 1-已删除)',
-                             PRIMARY KEY (`id`) USING BTREE,
-                             UNIQUE KEY `uk_username` (`username`)
+                            PRIMARY KEY (`id`) USING BTREE
 ) ENGINE = InnoDB CHARACTER SET = utf8mb4 COMMENT = '系统用户表';
 
 -- ----------------------------
diff --git a/src/main/java/com/youlai/boot/system/service/impl/ConfigServiceImpl.java b/src/main/java/com/youlai/boot/system/service/impl/ConfigServiceImpl.java
index a0364b41..0df72726 100644
--- a/src/main/java/com/youlai/boot/system/service/impl/ConfigServiceImpl.java
+++ b/src/main/java/com/youlai/boot/system/service/impl/ConfigServiceImpl.java
@@ -80,7 +80,6 @@ public class ConfigServiceImpl extends ServiceImpl<ConfigMapper, Config> impleme
                 "配置键已存在");
         Config config = configConverter.toEntity(configForm);
         config.setCreateBy(SecurityUtils.getUserId());
-        config.setIsDeleted(0);
         return this.save(config);
     }
 
@@ -122,11 +121,7 @@ public class ConfigServiceImpl extends ServiceImpl<ConfigMapper, Config> impleme
     @Override
     public boolean delete(Long id) {
         if (id != null) {
-            return super.update(new LambdaUpdateWrapper<Config>()
-                    .eq(Config::getId,id)
-                    .set(Config::getIsDeleted, 1)
-                    .set(Config::getUpdateBy, SecurityUtils.getUserId())
-            );
+            return super.removeById(id);
         }
         return false;
     }