diff --git a/scripts/reset-vote-data.mjs b/scripts/reset-vote-data.mjs
new file mode 100644
index 0000000..246bcb1
--- /dev/null
+++ b/scripts/reset-vote-data.mjs
@@ -0,0 +1,59 @@
+// 清空投票相关测试数据,准备重新测试。
+//
+// 清:votes / fan_supports / daily_quota / sign_ins / risk_logs / ranking_snapshots
+// reset:artists.vote_count = 0, artists.current_rank = null
+// 保留:users / artists 配置 / activity_config / invitations
+import { PrismaClient } from "@prisma/client";
+const prisma = new PrismaClient({ log: ["error"] });
+
+console.log("=== 清空投票测试数据 ===\n");
+
+// 跑前 snapshot
+const before = {
+  votes: await prisma.vote.count(),
+  fanSupports: await prisma.fanSupport.count(),
+  dailyQuotas: await prisma.dailyQuota.count(),
+  signIns: await prisma.signIn.count(),
+  riskLogs: await prisma.riskLog.count(),
+  snapshots: await prisma.rankingSnapshot.count(),
+  artistsWithVotes: await prisma.artist.count({ where: { voteCount: { gt: 0 } } }),
+};
+console.log("清前:", before);
+
+await prisma.$transaction(
+  async (tx) => {
+    await tx.vote.deleteMany({});
+    await tx.fanSupport.deleteMany({});
+    await tx.dailyQuota.deleteMany({});
+    await tx.signIn.deleteMany({});
+    await tx.riskLog.deleteMany({});
+    await tx.rankingSnapshot.deleteMany({});
+    // reset artists 缓存
+    await tx.artist.updateMany({
+      data: { voteCount: 0, currentRank: null },
+    });
+  },
+  { timeout: 30000 },
+);
+
+const after = {
+  votes: await prisma.vote.count(),
+  fanSupports: await prisma.fanSupport.count(),
+  dailyQuotas: await prisma.dailyQuota.count(),
+  signIns: await prisma.signIn.count(),
+  riskLogs: await prisma.riskLog.count(),
+  snapshots: await prisma.rankingSnapshot.count(),
+  artistsWithVotes: await prisma.artist.count({ where: { voteCount: { gt: 0 } } }),
+};
+console.log("\n清后:", after);
+
+// 同时确认保留了什么
+const preserved = {
+  users: await prisma.user.count(),
+  artists: await prisma.artist.count(),
+  activityConfig: await prisma.activityConfig.count(),
+};
+console.log("保留:", preserved);
+
+await prisma.$disconnect();
+console.log("\n✓ 完成");