diff --git a/index.ts b/index.ts
index ab341d8..67af0a1 100644
--- a/index.ts
+++ b/index.ts
@@ -44,7 +44,7 @@ export async function apply(ctx: Context) {
         if (moment(quota.expireTime).diff(moment(), 'days') <= 3) {
             MessageModel.sendNotification(['Hydro & 洛谷开放平台提醒：', info, '点数有效期已不足3天，请及时联系Hydro开发组或洛谷官方进行充值或续费。'].join('\n'));
         }
-        if (quota.availablePoints < 1000) {
+        if (quota.availablePoints > 0 && quota.availablePoints < 1000) {
             MessageModel.sendNotification(['Hydro & 洛谷开放平台提醒：', info, '点数已不足1000，请及时联系Hydro开发组或洛谷官方进行充值或续费。'].join('\n'));
         }
     });
diff --git a/provider.ts b/provider.ts
index cbd1d9e..604ec1a 100644
--- a/provider.ts
+++ b/provider.ts
@@ -205,7 +205,7 @@ export default class LuoguProvider extends BasicFetcher implements IBasicProvide
             const { body } = await this.get('/judge/quotaAvailable');
             this.quota = {
                 orgName: body.quotas[0].org.name,
-                availablePoints: body.quotas[0].availablePoints,
+                availablePoints: body.quotas[0].availablePoints ?? -1,
                 createTime: body.quotas[0].createTime * 1000,
                 expireTime: body.quotas[0].expireTime * 1000,
                 updateAt: Date.now(),