From e0da37cec0bf5703b3e26975281581a93ef0e323 Mon Sep 17 00:00:00 2001
From: zhx <zhx@haiyi.com>
Date: Tue, 26 May 2026 06:31:42 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=85=8D=E7=BD=AE=E6=A8=A1?=
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---
 src/features/lucky-gift/configModel.js      |  2 +-
 src/features/lucky-gift/configModel.test.js | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/src/features/lucky-gift/configModel.js b/src/features/lucky-gift/configModel.js
index 86217ab..54f3a6f 100644
--- a/src/features/lucky-gift/configModel.js
+++ b/src/features/lucky-gift/configModel.js
@@ -162,7 +162,7 @@ export function parseMultiplierList(value) {
         .map((item) => Number(item.replace(/x$/i, "")))
         .filter((item) => Number.isFinite(item) && item >= 0)
         .map((item) => Math.round(item * ppmScale));
-    const unique = Array.from(new Set([0, ...numbers])).sort((a, b) => a - b);
+    const unique = Array.from(new Set(numbers)).sort((a, b) => a - b);
     return unique.length > 1 ? unique : [0, 1_000_000];
 }
 
diff --git a/src/features/lucky-gift/configModel.test.js b/src/features/lucky-gift/configModel.test.js
index 8500a65..6e923a9 100644
--- a/src/features/lucky-gift/configModel.test.js
+++ b/src/features/lucky-gift/configModel.test.js
@@ -15,4 +15,14 @@ describe("lucky gift config payload", () => {
     test("parses custom multipliers without configured probabilities", () => {
         expect(parseMultiplierList("0, 0.5x, 1, 2")).toEqual([0, 500_000, 1_000_000, 2_000_000]);
     });
+
+    test("does not add a losing tier when tester only enters positive multipliers", () => {
+        const payload = payloadFromLuckyGiftForm(
+            { ...emptyLuckyGiftForm(), multiplierValues: ["1", "2"] },
+            null,
+        );
+
+        expect(payload.multiplier_ppms).toEqual([1_000_000, 2_000_000]);
+        expect(payload.tiers.some((tier) => tier.multiplier_ppm === 0 || tier.reward_coins === 0)).toBe(false);
+    });
 });