添加限制

@@ -66,6 +66,7 @@ func (srv TaskService) CreateTask(transactionContext application.TransactionCont
 	cnt, _, err := taskRepo.Find(map[string]interface{}{
 	cnt, _, err := taskRepo.Find(map[string]interface{}{
 		"name":     param.Name,
 		"name":     param.Name,
 		"leaderId": strconv.Itoa(param.LeaderId),
 		"leaderId": strconv.Itoa(param.LeaderId),
+		"limit":    1,
 	})
 	})
 	if err != nil {
 	if err != nil {
 		return application.ThrowError(application.INTERNAL_SERVER_ERROR, "查询任务失败:"+err.Error())
 		return application.ThrowError(application.INTERNAL_SERVER_ERROR, "查询任务失败:"+err.Error())