diff --git a/app/Http/Controllers/Api/ProjectController.php b/app/Http/Controllers/Api/ProjectController.php
index 7abf59c96..568258918 100755
--- a/app/Http/Controllers/Api/ProjectController.php
+++ b/app/Http/Controllers/Api/ProjectController.php
@@ -1692,7 +1692,7 @@ class ProjectController extends AbstractController
         //
         $task = ProjectTask::userTask($file->task_id);
         //
-        ProjectPermission::userTaskPermission(Project::userProject($task->project_id), ProjectPermission::TASK_UPDATE, $task);
+        ProjectPermission::userTaskPermission(Project::userProject($task->project_id), ProjectPermission::TASK_REMOVE, $task);
         //
         $task->pushMsg('filedelete', $file);
         $file->delete();
@@ -1964,11 +1964,13 @@ class ProjectController extends AbstractController
         $task = ProjectTask::userTask($task_id);
         //
         $project = Project::userProject($task->project_id);
-        if (Arr::exists($param, 'flow_item_id')) {
-            ProjectPermission::userTaskPermission($project, ProjectPermission::TASK_STATUS, $task);
-        }else{
-            ProjectPermission::userTaskPermission($project, ProjectPermission::TASK_UPDATE, $task);
+        $permissionKey = ProjectPermission::TASK_UPDATE;
+        if (Arr::exists($param, 'times')) {
+            $permissionKey = ProjectPermission::TASK_TIME;
+        } else if (Arr::exists($param, 'flow_item_id')) {
+            $permissionKey = ProjectPermission::TASK_STATUS;
         }
+        ProjectPermission::userTaskPermission($project, $permissionKey, $task);
         //
         $taskUser = ProjectTaskUser::select(['userid', 'owner'])->whereTaskId($task_id)->get();
         $owners = $taskUser->where('owner', 1)->pluck('userid')->toArray();
@@ -2625,8 +2627,9 @@ class ProjectController extends AbstractController
             ProjectPermission::TASK_LIST_SORT,
             ProjectPermission::TASK_ADD,
             ProjectPermission::TASK_UPDATE,
-            ProjectPermission::TASK_REMOVE,
+            ProjectPermission::TASK_TIME,
             ProjectPermission::TASK_STATUS,
+            ProjectPermission::TASK_REMOVE,
             ProjectPermission::TASK_ARCHIVED,
             ProjectPermission::TASK_MOVE,
         ]);
diff --git a/app/Models/ProjectPermission.php b/app/Models/ProjectPermission.php
index cbfd06e56..2655dddfe 100644
--- a/app/Models/ProjectPermission.php
+++ b/app/Models/ProjectPermission.php
@@ -10,7 +10,7 @@ use App\Module\Base;
  *
  * @property int $id
  * @property int|null $project_id 项目ID
- * @property string $permissions 权限
+ * @property array|string $permissions 权限
  * @property \Illuminate\Support\Carbon|null $created_at
  * @property \Illuminate\Support\Carbon|null $updated_at
  * @method static \Illuminate\Database\Eloquent\Builder|AbstractModel cancelAppend()
@@ -38,6 +38,7 @@ class ProjectPermission extends AbstractModel
     const TASK_LIST_SORT = 'task_list_sort';           // 列表排序
     const TASK_ADD = 'task_add';                       // 任务添加
     const TASK_UPDATE = 'task_update';                 // 任务更新
+    const TASK_TIME = 'task_time';                     // 任务时间
     const TASK_STATUS = 'task_status';                 // 任务状态
     const TASK_REMOVE = 'task_remove';                 // 任务删除
     const TASK_ARCHIVED = 'task_archived';             // 任务归档
@@ -69,7 +70,7 @@ class ProjectPermission extends AbstractModel
     /**
      * 权限
      * @param $value
-     * @return string
+     * @return array
      */
     public function getPermissionsAttribute($value)
     {
@@ -110,7 +111,8 @@ class ProjectPermission extends AbstractModel
             self::TASK_LIST_REMOVE => [self::PERMISSIONS['project_leader']],
             self::TASK_LIST_SORT => $projectTaskList,
             self::TASK_ADD => $projectTaskList,
-            self::TASK_UPDATE => [self::PERMISSIONS['project_leader'], self::PERMISSIONS['task_leader'], self::PERMISSIONS['task_assist']],
+            self::TASK_UPDATE => $taskUpdate = [self::PERMISSIONS['project_leader'], self::PERMISSIONS['task_leader'], self::PERMISSIONS['task_assist']],
+            self::TASK_TIME => $taskUpdate,
             self::TASK_STATUS => $taskStatus = [self::PERMISSIONS['project_leader'], self::PERMISSIONS['task_leader']],
             self::TASK_REMOVE => $taskStatus,
             self::TASK_ARCHIVED => $taskStatus,
@@ -153,13 +155,14 @@ class ProjectPermission extends AbstractModel
         $userid = User::userid();
         $permissions = self::getPermission($project->id, $action);
         switch ($action) {
-                // 任务添加，任务更新, 任务状态, 任务删除, 任务完成, 任务归档, 任务移动
+            // 任务添加，任务更新, 任务状态, 任务删除, 任务完成, 任务归档, 任务移动
             case self::TASK_LIST_ADD:
             case self::TASK_LIST_UPDATE:
             case self::TASK_LIST_REMOVE:
             case self::TASK_LIST_SORT:
             case self::TASK_ADD:
             case self::TASK_UPDATE:
+            case self::TASK_TIME:
             case self::TASK_STATUS:
             case self::TASK_REMOVE:
             case self::TASK_ARCHIVED:
diff --git a/database/migrations/2024_09_13_055518_update_project_permissions.php b/database/migrations/2024_09_13_055518_update_project_permissions.php
new file mode 100644
index 000000000..12807490f
--- /dev/null
+++ b/database/migrations/2024_09_13_055518_update_project_permissions.php
@@ -0,0 +1,37 @@
+<?php
+
+use App\Models\ProjectPermission;
+use Illuminate\Database\Migrations\Migration;
+
+class UpdateProjectPermissions extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        ProjectPermission::orderBy('id')->chunk(100, function ($rows) {
+            /** @var ProjectPermission $row */
+            foreach ($rows as $row) {
+                $permissions = $row->permissions;
+                if (!isset($permissions[ProjectPermission::TASK_TIME])) {
+                    $permissions[ProjectPermission::TASK_TIME] = $permissions[ProjectPermission::TASK_UPDATE];
+                    $row->permissions = \App\Module\Base::array2json($permissions);
+                    $row->save();
+                }
+            }
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        //
+    }
+}
diff --git a/resources/assets/js/pages/manage/components/ProjectPermission.vue b/resources/assets/js/pages/manage/components/ProjectPermission.vue
index 723bc4fcd..5d11b455d 100644
--- a/resources/assets/js/pages/manage/components/ProjectPermission.vue
+++ b/resources/assets/js/pages/manage/components/ProjectPermission.vue
@@ -51,6 +51,14 @@
                         <Checkbox :label="2">{{ $L('项目成员') }}</Checkbox>
                     </CheckboxGroup>
                 </FormItem>
+                <FormItem :label="$L('修改时间')">
+                    <CheckboxGroup v-model="formData.task_time">
+                        <Checkbox :label="1" disabled>{{ $L('项目负责人') }}</Checkbox>
+                        <Checkbox :label="3">{{ $L('任务负责人') }}</Checkbox>
+                        <Checkbox :label="4">{{ $L('任务协助人') }}</Checkbox>
+                        <Checkbox :label="2">{{ $L('项目成员') }}</Checkbox>
+                    </CheckboxGroup>
+                </FormItem>
                 <FormItem :label="$L('修改状态')">
                     <CheckboxGroup v-model="formData.task_status">
                         <Checkbox :label="1" disabled>{{ $L('项目负责人') }}</Checkbox>
@@ -109,6 +117,7 @@ export default {
                 project_task_list: [],
                 task_add: [],
                 task_update: [],
+                task_time: [],
                 task_status: [],
                 task_archived: [],
                 task_remove: [],