diff --git a/src/controllers/voucher.controller.ts b/src/controllers/voucher.controller.ts
index 7df696e..b130374 100644
--- a/src/controllers/voucher.controller.ts
+++ b/src/controllers/voucher.controller.ts
@@ -97,10 +97,16 @@ class VoucherController extends BaseController {
     if (!id || !isValidVoucherCode(id)) {
       throw new ZError(10, 'invild voucher code')
     }
-    const record = await VoucherRecord.findOne({ code: id, status: VoucherStatusEnum.NORMAL })
+    const record = await VoucherRecord.findOne({ code: id })
     if (!record) {
       throw new ZError(11, 'voucher not found')
     }
+    if (record.status === VoucherStatusEnum.USED) {
+      throw new ZError(12, 'voucher already used')
+    }
+    if (record.status !== VoucherStatusEnum.NORMAL) {
+      throw new ZError(11, 'voucher not found')
+    }
     record.status = VoucherStatusEnum.USED
     record.user = user.id
     if (record.bonusScores.length > 0) {