From 9fc5e5815ba2a1b9ea68ca975aaa9b62145061c0 Mon Sep 17 00:00:00 2001
From: meixiongfeng <766881921@qq.com>
Date: Thu, 2 Nov 2023 11:05:17 +0800
Subject: [PATCH] update

---
 modules/hero/module.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/modules/hero/module.go b/modules/hero/module.go
index 889fe1df5..7a653f072 100644
--- a/modules/hero/module.go
+++ b/modules/hero/module.go
@@ -1044,6 +1044,7 @@ func (this *Hero) GetRandomCardByCardPool(cardPool string, count int32) (cards [
 		hid string
 		sz  map[string]struct{}
 	)
+	sz = make(map[string]struct{}, count)
 	for i := 0; i < int(count); i++ {
 		hid, err = this.configure.GetHeroByPoolExcept(cardPool, sz)
 		if err != nil {