diff --git a/app/Http/Controllers/Api/ProjectController.php b/app/Http/Controllers/Api/ProjectController.php
index 70aad8633..c35226583 100755
--- a/app/Http/Controllers/Api/ProjectController.php
+++ b/app/Http/Controllers/Api/ProjectController.php
@@ -666,7 +666,7 @@ class ProjectController extends AbstractController
         }
         //
         $task = ProjectTask::userTask($file->task_id, [], true, $project);
-        if (!$task->owner && !$project->owner) {
+        if (!$task->isOwnerParent() && !$project->owner) {
             return Base::retError('仅限项目或任务负责人操作');
         }
         //
@@ -751,7 +751,7 @@ class ProjectController extends AbstractController
         $name = Request::input('name');
         //
         $task = ProjectTask::userTask($task_id, [], true, $project);
-        if (!$task->owner && !$project->owner) {
+        if (!$task->isOwnerParent() && !$project->owner) {
             return Base::retError('仅限项目或任务负责人添加');
         }
         //
@@ -795,7 +795,7 @@ class ProjectController extends AbstractController
         $task_id = intval($data['task_id']);
         //
         $task = ProjectTask::userTask($task_id, [], true, $project);
-        if (!$task->owner && !$project->owner) {
+        if (!$task->isOwnerParent() && !$project->owner) {
             return Base::retError('仅限项目或任务负责人修改');
         }
         //
@@ -841,7 +841,7 @@ class ProjectController extends AbstractController
         $task_id = Base::getPostInt('task_id');
         //
         $task = ProjectTask::userTask($task_id, [], true, $project);
-        if (!$task->owner && !$project->owner) {
+        if (!$task->isOwnerParent() && !$project->owner) {
             return Base::retError('仅限项目或任务负责人上传');
         }
         //
@@ -940,7 +940,7 @@ class ProjectController extends AbstractController
         $type = Request::input('type', 'add');
         //
         $task = ProjectTask::userTask($task_id, [], false, $project);
-        if (!$task->owner && !$project->owner) {
+        if (!$task->isOwnerParent() && !$project->owner) {
             return Base::retError('仅限项目或任务负责人操作');
         }
         //
@@ -968,7 +968,7 @@ class ProjectController extends AbstractController
         $task_id = intval(Request::input('task_id'));
         //
         $task = ProjectTask::userTask($task_id, [], true, $project);
-        if (!$task->owner && !$project->owner) {
+        if (!$task->isOwnerParent() && !$project->owner) {
             return Base::retError('仅限项目或任务负责人删除');
         }
         //
diff --git a/app/Models/ProjectTask.php b/app/Models/ProjectTask.php
index 941145ef1..37d4b9b9d 100644
--- a/app/Models/ProjectTask.php
+++ b/app/Models/ProjectTask.php
@@ -629,6 +629,24 @@ class ProjectTask extends AbstractModel
         return $user->owner ? 2 : 1;
     }
 
+    /**
+     * 是否负责人
+     * @param bool $isParent 是父级任务的负责人也算
+     * @return bool
+     */
+    public function isOwnerParent($isParent = true) {
+        if ($this->owner) {
+            return true;
+        }
+        if ($isParent && $this->parent_id > 0) {
+            $parentTask = self::find($this->parent_id);
+            if ($parentTask?->owner) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     /**
      * 标记已完成、未完成
      * @param Carbon|null $complete_at 完成时间