diff --git a/database/migrations/2023_08_10_233619_repair_project_tasks_is_all_visible.php b/database/migrations/2023_08_10_233619_repair_project_tasks_is_all_visible.php
new file mode 100644
index 000000000..39071addb
--- /dev/null
+++ b/database/migrations/2023_08_10_233619_repair_project_tasks_is_all_visible.php
@@ -0,0 +1,43 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Support\Facades\DB;
+use Illuminate\Support\Facades\Schema;
+
+class repairProjectTasksIsAllVisible extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        // 修复子任务可见性字段为null的数据
+        if (!Schema::hasTable('project_tasks')) {
+            $prefix = DB::getConfig('prefix');
+            DB::select(DB::raw(`
+                UPDATE {$prefix}project_tasks 
+                SET is_all_visible = 1
+                WHERE is_all_visible is null AND parent_id = 0
+            `));
+            DB::select(DB::raw(`
+                UPDATE {$prefix}project_tasks t1
+                JOIN {$prefix}project_tasks t2 ON t1.parent_id = t2.id
+                SET t1.is_all_visible = t2.is_all_visible
+                WHERE t1.is_all_visible is null AND t1.parent_id > 0
+            `));
+        }
+        
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+       
+    }
+}