diff --git a/app/adminapi/logic/task/TaskAllocationLogic.php b/app/adminapi/logic/task/TaskAllocationLogic.php
index 2a4ce9775..baa195e29 100644
--- a/app/adminapi/logic/task/TaskAllocationLogic.php
+++ b/app/adminapi/logic/task/TaskAllocationLogic.php
@@ -51,8 +51,8 @@ class TaskAllocationLogic extends BaseLogic
         try {
             // 任务分配
             $taskAllocation = TaskAllocation::create([
-                'dataid' => generate_sn(self::class, 'dataid'),
-                'num' => generate_sn(self::class, 'num'),
+                'dataid' => generate_sn(TaskAllocation::class, 'dataid'),
+                'num' => generate_sn(TaskAllocation::class, 'num'),
                 'task_type_id' => $taskType['id'], // 任务类别id
                 'cost_project_id' => $taskType['cost_project_id'], // 项目id
                 'apptime' => $params['apptime'],