删多了,补回来

src/main/java/com/muyu/system/mapper/SysConfigMapper.java

@@ -8,5 +8,5 @@ import com.muyu.system.domain.SysConfig;
  * @description: 配置mybatis配置
  * @Date 2023-11-13 上午 10:05
  */
-public interface SysConfigMapper{
+public interface SysConfigMapper extends BaseMapper<SysConfig> {
 }

src/main/java/com/muyu/system/service/SysConfigService.java

@@ -10,7 +10,7 @@ import java.util.List;
  * @description: 配置plus业务层
  * @Date 2023-11-13 上午 10:06
  */
-public interface SysConfigService{
+public interface SysConfigService extends IService<SysConfig> {
     List<SysConfig> pageQuery (SysConfig config);
 
     /**

src/main/java/com/muyu/system/service/impl/SysConfigServiceImpl.java

@@ -23,7 +23,8 @@ import java.util.Objects;
  * @Date 2023-11-13 上午 10:06
  */
 @Service
-public class SysConfigServiceImpl implements SysConfigService {
+public class SysConfigServiceImpl extends ServiceImpl<SysConfigMapper, SysConfig>
+        implements SysConfigService {
 
     @Autowired
     private RedisService redisService;