diff --git a/src/frontend/src/api.ts b/src/frontend/src/api.ts
index d113d20..902f64c 100644
--- a/src/frontend/src/api.ts
+++ b/src/frontend/src/api.ts
@@ -236,18 +236,16 @@ export const api = {
 
   createTask: async (data: CreateTaskPayload): Promise<ActionResult & { taskId?: string }> => {
     try {
-      // 优先用 CreateTaskModal 传入的 project_type（实际是 projectId），其次用当前选中项目
       const pid = data.project_type || _currentProjectId || '_general';
       const prio = typeof data.priority === 'string' ? parseInt(data.priority, 10) || 5 : 5;
-      // title 为空时不传，后端自动生成
       const payload: any = {
-        id: `task-${Date.now().toString(36)}`,
         description: data.requirement || data.title || '',
         task_type: 'general',
         priority: prio,
         assigned_by: 'user',
       };
       if (data.title && data.title.trim()) payload.title = data.title.trim();
+      // ID 由后端生成，不传 id 字段
       return postJ(`${API_BASE}/api/projects/${pid}/tasks`, payload);
     } catch (e: any) {
       return { ok: false, error: e.message };