diff --git a/app/Http/Controllers/Api/ProjectController.php b/app/Http/Controllers/Api/ProjectController.php
index 91f350632..97b055a15 100755
--- a/app/Http/Controllers/Api/ProjectController.php
+++ b/app/Http/Controllers/Api/ProjectController.php
@@ -1717,7 +1717,7 @@ class ProjectController extends AbstractController
         $task_id = intval($param['task_id']);
         //
         $task = ProjectTask::userTask($task_id, true, true, 2);
-        $taskUser = ProjectTaskUser::select(['userid', 'owner'])->whereTaskId($task_id)->whereIn('owner', [0, 1])->get();
+        $taskUser = ProjectTaskUser::select(['userid', 'owner'])->whereTaskId($task_id)->get();
         $owners = $taskUser->where('owner', 1)->pluck('userid')->toArray();         // 负责人
 
         // 更新任务
@@ -1729,21 +1729,18 @@ class ProjectController extends AbstractController
         $data['visibility_appointor'] = $data['is_all_visible'] == 1 ? [0] : ProjectTaskUser::whereTaskId($task->id)->whereOwner(2)->pluck('userid');
         $task->pushMsg('update', $data);
         // 可见性推送
-        if (Arr::exists($param, 'is_all_visible')) {
+        if (Arr::exists($param, 'is_all_visible') || Arr::exists($param, 'visibility_appointor')) {
             if ($data['is_all_visible'] == 1) {
                 $task->pushMsgVisibleAdd($data);
             }
-            if ($data['is_all_visible'] == 0) {
-                if ($param['visibility_appointor']) {
-                    $task->pushMsgVisibleUpdate($data);
-                } else {
-                    $task->pushMsgVisibleRemove();
-                }
-            }
-        } elseif (Arr::exists($param, 'visibility_appointor')) {
             if ($param['visibility_appointor']) {
-                $task->pushMsgVisibleUpdate($data);
-            } else {
+                $oldVisibleUserIds = $taskUser->where('owner', 2)->pluck('userid')->toArray()??[];
+                $newVisibleUserIds = $param['visibility_appointor'] ?? [];
+                $deleteUserIds = array_diff($oldVisibleUserIds, $newVisibleUserIds);
+                $addUserIds = array_diff($newVisibleUserIds, $oldVisibleUserIds);
+                $task->pushMsgVisibleUpdate($data, $deleteUserIds, $addUserIds);
+            }
+            if ($data['is_all_visible'] == 0 && empty($param['visibility_appointor'])) {
                 $task->pushMsgVisibleRemove();
             }
         }
diff --git a/app/Models/ProjectTask.php b/app/Models/ProjectTask.php
index 513f99eed..d9fa21620 100644
--- a/app/Models/ProjectTask.php
+++ b/app/Models/ProjectTask.php
@@ -1488,7 +1488,7 @@ class ProjectTask extends AbstractModel
      * 添加可见性任务 推送
      * @param array|self $data      发送内容，默认为[id, parent_id, project_id, column_id, dialog_id]
      */
-    public function pushMsgVisibleAdd($data = null)
+    public function pushMsgVisibleAdd($data = null, array $pushUserIds = [])
     {
         if (!$this->project) {
             return;
@@ -1506,7 +1506,9 @@ class ProjectTask extends AbstractModel
         }
         //
         $array = [];
-        if ($this->is_all_visible == 0) {
+        if ($pushUserIds) {
+            $userids = $pushUserIds;
+        }elseif ($this->is_all_visible == 0) {
             $userids = ProjectTaskUser::select(['userid', 'owner'])->whereTaskId($this->id)->orWhere('task_pid' , '=', $this->id)->pluck('userid')->toArray();
         } else {
             $userids = ProjectUser::whereProjectId($this->project_id)->pluck('userid')->toArray();  // 项目成员
@@ -1583,11 +1585,14 @@ class ProjectTask extends AbstractModel
      * 更新可见性任务 推送
      * @param array|self $data      发送内容，默认为[id, parent_id, project_id, column_id, dialog_id]
      */
-    public function pushMsgVisibleUpdate($data)
+    public function pushMsgVisibleUpdate($data, array $deleteUserIds = [], array $addUserIds = [])
     {
-        $this->pushMsgVisibleRemove();
-        usleep(300);
-        $this->pushMsgVisibleAdd($data);
+        if ($deleteUserIds) {
+            $this->pushMsgVisibleRemove($deleteUserIds);
+        }
+        if ($addUserIds) {
+            $this->pushMsgVisibleAdd($data, $addUserIds);
+        }
     }
 
     /**