diff --git a/src/features/lucky-gift/schema.ts b/src/features/lucky-gift/schema.ts
index e0e57fc..7e73216 100644
--- a/src/features/lucky-gift/schema.ts
+++ b/src/features/lucky-gift/schema.ts
@@ -17,7 +17,7 @@ const stageTierSchema = z.object({
     multiplier: z.coerce.number().min(0, "倍率不能小于 0"),
     probabilityPercent: z.coerce.number().min(0, "概率不能小于 0").max(100, "概率不能超过 100%"),
     rewardSource: z.enum(rewardSources),
-    tierId: z.string().trim().max(96, "奖档 ID 不能超过 96 个字符").optional().default(""),
+    tierId: z.string().optional().default(""),
 });
 
 const stageSchema = z.object({