年假计算

backend/src/services/annualleave.service.ts

@@ -104,13 +104,13 @@ const ensureLeavePeriod = async (
 
     let periodId: number;
     let usedDays: number;
-    let status: string;
+    let status: 'active' | 'expired';
 
     if ((existing as any[]).length > 0) {
       const row = (existing as any[])[0];
       periodId = row.id;
       usedDays = Number(row.used_days);
-      status = row.status;
+      status = row.status as 'active' | 'expired';
     } else {
       // 数据库中没有记录，创建一条（以便后续使用结转余额）
       const [result] = await pool.execute(