diff --git a/OrderSupportTicket/Services/TicketApiService.cs b/OrderSupportTicket/Services/TicketApiService.cs
index 65a5230..fbee627 100644
--- a/OrderSupportTicket/Services/TicketApiService.cs
+++ b/OrderSupportTicket/Services/TicketApiService.cs
@@ -372,7 +372,7 @@ public sealed class TicketApiService
 			.ToList();
 		if (normalized.Count == 0)
 			throw new ArgumentException("appIds 至少需要一个 APPID。", nameof(appIds));
-		if (normalized.Count > 50)
+		if (normalized.Count > 500)
 			throw new ArgumentException("appIds 最多支持 50 个 APPID。", nameof(appIds));
 		foreach (var appId in normalized)
 			ValidateAppId(appId);