diff --git a/module/execution/model.php b/module/execution/model.php
index a30eaea405..901e07f6c5 100755
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -5488,6 +5488,7 @@ class executionModel extends model
                 {
                     $canStart = $execution->status == 'wait' ? $execution->ipdStage['canStart'] : 1;
                     if($execution->status == 'close') $canStart = false;
+                    if($project->parallel) $canStart = true;
                     $task->ipdStage = new stdclass();
                     $task->ipdStage->canStart      = $canStart;
                     $task->ipdStage->taskStartTip  = sprintf($this->lang->execution->disabledTip->taskStartTip, $this->lang->stage->ipdTypeList[$execution->ipdStage['preAttribute']], $this->lang->stage->ipdTypeList[$execution->attribute]);
diff --git a/module/task/model.php b/module/task/model.php
index 4ac7c171fb..1d95fea101 100755
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -4256,6 +4256,7 @@ class taskModel extends model
             $execution->ipdStage = $this->loadModel('execution')->canStageStart($execution);
             $plmCanStart = $execution->status == 'wait' ? $execution->ipdStage['canStart'] : 1;
             if($execution->status == 'close') $plmCanStart = false;
+            if($execution->parallel) $plmCanStart = true;
         }
 
         $menu   = '';