diff --git a/app/Http/Controllers/Api/ProjectController.php b/app/Http/Controllers/Api/ProjectController.php
index b1d2e02d5..cab44778c 100755
--- a/app/Http/Controllers/Api/ProjectController.php
+++ b/app/Http/Controllers/Api/ProjectController.php
@@ -32,10 +32,11 @@ use App\Models\ProjectTaskUser;
 use App\Models\WebSocketDialog;
 use App\Exceptions\ApiException;
 use App\Models\ProjectPermission;
-use App\Module\BillMultipleExport;
 use App\Models\WebSocketDialogMsg;
+use App\Module\BillMultipleExport;
 use Illuminate\Support\Facades\DB;
 use App\Models\ProjectTaskFlowChange;
+use App\Models\ProjectTaskVisibilityUser;
 
 /**
  * @apiDefine project
@@ -1032,15 +1033,20 @@ class ProjectController extends AbstractController
             $query->where('project_users.owner', 1);
             $query->where('project_users.userid', $userid);
         });
-        $builder->leftJoin('project_task_users as project_p_task_users', function ($query) use($userid) {
-            $query->on('project_p_task_users.task_pid', '=', 'project_tasks.parent_id');
-            $query->where('project_p_task_users.userid', $userid);
+        $builder->leftJoin('project_task_users as project_sub_task_users', function ($query) use($userid) {
+            $query->on('project_sub_task_users.task_pid', '=', 'project_tasks.parent_id');
+            $query->where('project_sub_task_users.userid', $userid);
+        });
+        $builder->leftJoin('project_task_visibility_users', function ($query) use($userid) {
+            $query->on('project_task_visibility_users.task_id', '=', 'project_tasks.id');
+            $query->where('project_task_visibility_users.userid', $userid);
         });
         $builder->where(function ($query) use ($userid) {
             $query->where("project_tasks.visibility", 1);
             $query->orWhere("project_users.userid", $userid);
             $query->orWhere("project_task_users.userid", $userid);
-            $query->orWhere("project_p_task_users.userid", $userid);
+            $query->orWhere("project_task_visibility_users.userid", $userid);
+            $query->orWhere("project_sub_task_users.userid", $userid);
         });
         // 优化子查询汇总
         $builder->leftJoinSub(function ($query) {
@@ -1538,9 +1544,11 @@ class ProjectController extends AbstractController
         // 项目可见性
         $project_userid = ProjectUser::whereProjectId($task->project_id)->whereOwner(1)->value('userid');     // 项目负责人
         if ($task->visibility != 1 && $user->userid != $project_userid) {
-            $visibleUserids = ProjectTaskUser::whereTaskId($task_id)->pluck('userid')->toArray();       // 是否任务负责人、协助人、可见人
-            $subVisibleUserids = ProjectTaskUser::whereTaskPid($task_id)->pluck('userid')->toArray();   // 是否子任务负责人、协助人
-            if (!in_array($user->userid, $visibleUserids) && !in_array($user->userid, $subVisibleUserids)) {
+            $taskUserids = ProjectTaskUser::whereTaskId($task_id)->pluck('userid')->toArray();                //任务负责人、协助人
+            $subTaskUserids = ProjectTaskUser::whereTaskPid($task_id)->pluck('userid')->toArray();            //子任务负责人、协助人
+            $visibleUserids = ProjectTaskVisibilityUser::whereTaskId($task_id)->pluck('userid')->toArray();   //可见人
+            $visibleUserids = array_merge($taskUserids, $subTaskUserids, $visibleUserids);
+            if (!in_array($user->userid, $visibleUserids)) {
                 return Base::retError('无任务权限');
             }
         }
@@ -1548,7 +1556,7 @@ class ProjectController extends AbstractController
         $data = $task->toArray();
         $data['project_name'] = $task->project?->name;
         $data['column_name'] = $task->projectColumn?->name;
-        $data['visibility_appointor'] = $task->visibility == 1 ? [0] : ProjectTaskUser::whereTaskId($task_id)->whereOwner(2)->pluck('userid');
+        $data['visibility_appointor'] = $task->visibility == 1 ? [0] : ProjectTaskVisibilityUser::whereTaskId($task_id)->pluck('userid');
         return Base::retSuccess('success', $data);
     }
 
@@ -1912,13 +1920,14 @@ class ProjectController extends AbstractController
         $taskUser = ProjectTaskUser::select(['userid', 'owner'])->whereTaskId($task_id)->get();
         $owners = $taskUser->where('owner', 1)->pluck('userid')->toArray();         // 负责人
         $assists = $taskUser->where('owner', 0)->pluck('userid')->toArray();         // 协助人
+        $visible = ProjectTaskVisibilityUser::whereTaskId($task->id)->pluck('userid')->toArray() ?? [];
         // 更新任务
         $updateMarking = [];
         $task->updateTask($param, $updateMarking);
         //
         $data = ProjectTask::oneTask($task->id)->toArray();
         $data['update_marking'] = $updateMarking ?: json_decode('{}');
-        $data['visibility_appointor'] = $data['visibility'] == 1 ? [] : ProjectTaskUser::whereTaskId($task->id)->whereOwner(2)->pluck('userid');
+        $data['visibility_appointor'] = $data['visibility'] == 1 ? [] : ProjectTaskVisibilityUser::whereTaskId($task->id)->pluck('userid')->toArray();
         $task->pushMsg('update', $data);
         // 可见性推送
         if ($task->parent_id == 0) {
@@ -1928,10 +1937,9 @@ class ProjectController extends AbstractController
                     $task->pushMsgVisibleAdd($data);
                 }
                 if ($param['visibility_appointor']) {
-                    $oldVisibleUserIds = $taskUser->where('owner', 2)->pluck('userid')->toArray() ?? [];
                     $newVisibleUserIds = $param['visibility_appointor'] ?? [];
-                    $deleteUserIds = array_diff($oldVisibleUserIds, $newVisibleUserIds, $subUserids);
-                    $addUserIds = array_diff($newVisibleUserIds, $oldVisibleUserIds);
+                    $deleteUserIds = array_diff($visible, $newVisibleUserIds, $subUserids);
+                    $addUserIds = array_diff($newVisibleUserIds, $visible);
                     $task->pushMsgVisibleUpdate($data, $deleteUserIds, $addUserIds);
                 }
                 if ($data['visibility'] != 1 && empty($param['visibility_appointor'])) {
diff --git a/app/Models/ProjectTask.php b/app/Models/ProjectTask.php
index 997904000..5954759d4 100644
--- a/app/Models/ProjectTask.php
+++ b/app/Models/ProjectTask.php
@@ -2,15 +2,16 @@
 
 namespace App\Models;
 
-use App\Exceptions\ApiException;
+use DB;
+use Arr;
+use Request;
+use Carbon\Carbon;
 use App\Module\Base;
 use App\Tasks\PushTask;
-use Arr;
-use Carbon\Carbon;
-use DB;
+use App\Exceptions\ApiException;
 use Hhxsv5\LaravelS\Swoole\Task\Task;
+use App\Models\ProjectTaskVisibilityUser;
 use Illuminate\Database\Eloquent\SoftDeletes;
-use Request;
 
 /**
  * App\Models\ProjectTask
@@ -288,8 +289,7 @@ class ProjectTask extends AbstractModel
             ->leftJoin('project_task_users', function ($leftJoin) use ($userid) {
                 $leftJoin
                     ->on('project_task_users.userid', '=', DB::raw($userid))
-                    ->on('project_tasks.id', '=', 'project_task_users.task_id')
-                    ->where('project_task_users.owner', '<', 2);
+                    ->on('project_tasks.id', '=', 'project_task_users.task_id');
             });
         return $query;
     }
@@ -310,11 +310,7 @@ class ProjectTask extends AbstractModel
                 'project_task_users.owner'
             ])
             ->selectRaw("1 AS assist")
-            ->join('project_task_users', function ($join) {
-                $join
-                    ->on('project_tasks.id', '=', 'project_task_users.task_id')
-                    ->where('project_task_users.owner', '<', 2);
-            })
+            ->join('project_task_users', 'project_tasks.id', '=', 'project_task_users.task_id')
             ->where('project_task_users.userid', $userid);
         if ($owner !== null) {
             $query->where('project_task_users.owner', $owner);
@@ -501,13 +497,12 @@ class ProjectTask extends AbstractModel
                 ])->save();
             }
 
+            // 可见性
             foreach ($visibility_userids as $uid) {
-                ProjectTaskUser::createInstance([
+                ProjectTaskVisibilityUser::createInstance([
                     'project_id' => $task->project_id,
                     'task_id' => $task->id,
-                    'task_pid' => $task->parent_id ?: $task->id,
-                    'userid' => $uid,
-                    'owner' => 2,
+                    'userid' => $uid
                 ])->save();
             }
 
@@ -734,16 +729,14 @@ class ProjectTask extends AbstractModel
                     ProjectTask::whereId($data['task_id'])->update(['visibility' => $data["visibility"]]);
                     ProjectTask::whereParentId($data['task_id'])->update(['visibility' => $data["visibility"]]);
                 }
-                ProjectTaskUser::whereTaskId($data['task_id'])->whereOwner(2)->delete();
+                ProjectTaskVisibilityUser::whereTaskId($data['task_id'])->delete();
                 if (Arr::exists($data, 'visibility_appointor')) {
                     foreach ($data['visibility_appointor'] as $uid) {
                         if ($uid) {
-                            ProjectTaskUser::createInstance([
+                            ProjectTaskVisibilityUser::createInstance([
                                 'project_id' => $this->project_id,
                                 'task_id' => $this->id,
-                                'task_pid' => $this->parent_id ?: $this->id,
-                                'userid' => $uid,
-                                'owner' => 2,
+                                'userid' => $uid
                             ])->save();
                         }
                     }
@@ -1526,7 +1519,10 @@ class ProjectTask extends AbstractModel
         if ($pushUserIds) {
             $userids = $pushUserIds;
         } elseif ($this->visibility != 1) {
-            $userids = ProjectTaskUser::select(['userid', 'owner'])->whereTaskId($this->id)->orWhere('task_pid', '=', $this->id)->pluck('userid')->toArray();
+            $userids = ProjectTaskUser::whereTaskId($this->id)->orWhere('task_pid', '=', $this->id)->pluck('userid')->toArray();
+            if ($this->visibility == 3) {
+                $userids = array_merge($userids, ProjectTaskVisibilityUser::whereTaskId($this->id)->pluck('userid')->toArray());
+            }
         } else {
             $userids = ProjectUser::whereProjectId($this->project_id)->pluck('userid')->toArray();  // 项目成员
         }
diff --git a/app/Models/ProjectTaskVisibilityUser.php b/app/Models/ProjectTaskVisibilityUser.php
new file mode 100644
index 000000000..b462630c3
--- /dev/null
+++ b/app/Models/ProjectTaskVisibilityUser.php
@@ -0,0 +1,37 @@
+<?php
+
+namespace App\Models;
+
+/**
+ * App\Models\ProjectTaskVisibilityUser
+ *
+ * @property int $id
+ * @property int|null $project_id 项目ID
+ * @property int|null $task_id 任务ID
+ * @property int|null $userid 成员ID
+ * @property \Illuminate\Support\Carbon|null $created_at
+ * @property \Illuminate\Support\Carbon|null $updated_at
+ * @property-read \App\Models\ProjectTask|null $projectTask
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTaskVisibilityUser newModelQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTaskVisibilityUser newQuery()
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTaskVisibilityUser query()
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTaskVisibilityUser whereCreatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTaskVisibilityUser whereId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTaskVisibilityUser whereProjectId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTaskVisibilityUser whereTaskId($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTaskVisibilityUser whereUpdatedAt($value)
+ * @method static \Illuminate\Database\Eloquent\Builder|ProjectTaskVisibilityUser whereUserid($value)
+ * @mixin \Eloquent
+ */
+class ProjectTaskVisibilityUser extends AbstractModel
+{
+
+    /**
+     * @return \Illuminate\Database\Eloquent\Relations\HasOne
+     */
+    public function projectTask(): \Illuminate\Database\Eloquent\Relations\HasOne
+    {
+        return $this->hasOne(ProjectTask::class, 'id', 'task_id');
+    }
+
+}
diff --git a/database/migrations/2023_12_26_182631_create_project_task_visibility_users_table.php b/database/migrations/2023_12_26_182631_create_project_task_visibility_users_table.php
new file mode 100644
index 000000000..b2268d90e
--- /dev/null
+++ b/database/migrations/2023_12_26_182631_create_project_task_visibility_users_table.php
@@ -0,0 +1,48 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class CreateProjectTaskVisibilityUsersTable extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::create('project_task_visibility_users', function (Blueprint $table) {
+            $table->bigIncrements('id');
+            $table->bigInteger('project_id')->index()->nullable()->default(0)->comment('项目ID');
+            $table->bigInteger('task_id')->index()->nullable()->default(0)->comment('任务ID');
+            $table->bigInteger('userid')->index()->nullable()->default(0)->comment('成员ID');
+            $table->timestamps();
+        });
+
+        // 迁移旧数据
+        DB::table('project_task_users')->where("owner",2)->orderBy('id')->chunk(100, function ($data) {
+            foreach ($data as $item) {
+                DB::table('project_task_visibility_users')->insert([
+                    'project_id' => $item->project_id,
+                    'task_id' => $item->task_id,
+                    'userid' => $item->userid,
+                    'created_at' => $item->created_at,
+                    'updated_at' => $item->updated_at
+                ]);
+            }
+        });
+        DB::table('project_task_users')->where("owner",2)->delete();
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::dropIfExists('project_task_visibility_users');
+    }
+}