add log annotate

ruoyi-generator/src/main/resources/vm/java/serviceImpl.java.vm

@@ -4,6 +4,7 @@ import java.util.List;
 
 import com.ruoyi.common.utils.ObjUtils;
 import com.ruoyi.common.utils.StringUtils;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import ${packageName}.mapper.${ClassName}Mapper;
 import ${packageName}.domain.${ClassName};
@@ -17,6 +18,7 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
  * @author ${author}
  * @date ${datetime}
  */
+@Slf4j
 @Service
 public class ${ClassName}ServiceImpl extends ServiceImpl<${ClassName}Mapper, ${ClassName}>  implements ${ClassName}Service {