update parallel query

server/task.go

@@ -189,6 +189,4 @@ func submitTask(c *gin.Context) {
 		return
 	}
 	c.JSON(200, withSuccess(gin.H{}))
-	return
-
 }

service/group.go

 package service
 
 import (
+	"sync"
 	"taskcenter/constant"
 	apiModel "taskcenter/model/api"
 	dbModel "taskcenter/model/db"
@@ -59,7 +60,14 @@ func (s *Service) GetGroup(gid int, userId string, admin bool) (resp *apiModel.G
 		return
 	}
 
-	for _, task := range tasks {
+	taskResults := make([]apiModel.Task, len(tasks))
+	var wg sync.WaitGroup
+
+	for i := range tasks {
+		wg.Add(1)
+		go func(idx int) {
+			defer wg.Done()
+			task := tasks[idx]
 			_task := apiModel.Task{
 				TaskId:      task.Id,
 				Platform:    task.Platform,
@@ -77,15 +85,19 @@ func (s *Service) GetGroup(gid int, userId string, admin bool) (resp *apiModel.G
 			status, submittedAt, err := s.GetTaskResult(_task.Daily, _task.TaskId.(int), userId)
 			if err != nil {
 				log.WithError(err).Error("group check task")
-			return nil, err
+				return
 			}
 			_task.Status = status
 			if status == constant.TaskHistoryStatusRetry {
 				_task.Msg = "The task is not completed, please try again."
 			}
 			_task.SubmitTimestamp = int(submittedAt.Unix())
-		resp.Tasks = append(resp.Tasks, _task)
+			taskResults[idx] = _task
+		}(i)
 	}
+
+	wg.Wait()
+	resp.Tasks = taskResults
 	return
 }