fix worker group display (#7208)

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/controller/SchedulerController.java

@@ -143,7 +143,7 @@ public class SchedulerController extends BaseController {
         @ApiImplicitParam(name = "warningType", value = "WARNING_TYPE", type = "WarningType"),
         @ApiImplicitParam(name = "warningGroupId", value = "WARNING_GROUP_ID", dataType = "Int", example = "100"),
         @ApiImplicitParam(name = "failureStrategy", value = "FAILURE_STRATEGY", type = "FailureStrategy"),
-        @ApiImplicitParam(name = "workerGroupId", value = "WORKER_GROUP_ID", dataType = "Int", example = "100"),
+        @ApiImplicitParam(name = "workerGroup", value = "WORKER_GROUP", dataType = "String", example = "default"),
         @ApiImplicitParam(name = "processInstancePriority", value = "PROCESS_INSTANCE_PRIORITY", type = "Priority"),
         @ApiImplicitParam(name = "environmentCode", value = "ENVIRONMENT_CODE", dataType = "Long"),
     })

dolphinscheduler-api/src/main/java/org/apache/dolphinscheduler/api/service/impl/WorkerGroupServiceImpl.java

@@ -287,8 +287,9 @@ public class WorkerGroupServiceImpl extends BaseServiceImpl implements WorkerGro
             if (isPaging) {
                 wg.setAddrList(String.join(Constants.COMMA, childrenNodes));
                 String registeredValue = registryClient.get(workerGroupPath + Constants.SINGLE_SLASH + childrenNodes.iterator().next());
-                wg.setCreateTime(DateUtils.stringToDate(registeredValue.split(Constants.COMMA)[6]));
-                wg.setUpdateTime(DateUtils.stringToDate(registeredValue.split(Constants.COMMA)[7]));
+                String[] rv = registeredValue.split(Constants.COMMA);
+                wg.setCreateTime(new Date(Long.parseLong(rv[6])));
+                wg.setUpdateTime(new Date(Long.parseLong(rv[7])));
                 wg.setSystemDefault(true);
             }
             workerGroups.add(wg);