update worker group

escheduler-dao/src/main/java/cn/escheduler/dao/mapper/WorkerGroupMapper.java

@@ -23,6 +23,9 @@ import org.apache.ibatis.type.JdbcType;
 import java.util.Date;
 import java.util.List;
 
+/**
+ * worker group mapper
+ */
 public interface WorkerGroupMapper {
 
     /**

escheduler-dao/src/main/java/cn/escheduler/dao/mapper/WorkerGroupMapperProvider.java

@@ -22,6 +22,9 @@ import org.apache.ibatis.jdbc.SQL;
 
 import java.util.Map;
 
+/**
+ * worker group mapper provider
+ */
 public class WorkerGroupMapperProvider {
 
     private static final String TABLE_NAME = "t_escheduler_worker_group";