From b5bc944d71a3ac2cc17413652dad383e0dbff6e6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E8=88=AA=E5=AE=87?= <3364451258@qq.com>
Date: Fri, 19 Jun 2026 21:16:42 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20clippy=20manual=5Fdiv=5Fceil=20=E2=86=92?=
 =?UTF-8?q?=20.div=5Fceil()?=
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---
 core/src/render/svg.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/src/render/svg.rs b/core/src/render/svg.rs
index 9288572..ad1fd92 100644
--- a/core/src/render/svg.rs
+++ b/core/src/render/svg.rs
@@ -58,7 +58,7 @@ pub fn render_svg(qr: &QrCode, logo: Option<&[u8]>) -> String {
 /// 简易 base64 编码（无外部依赖）
 fn base64_encode(data: &[u8]) -> String {
     const CHARS: &[u8] = b"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
-    let mut result = String::with_capacity((data.len() + 2) / 3 * 4);
+    let mut result = String::with_capacity(data.len().div_ceil(3) * 4);
     for chunk in data.chunks(3) {
         let b0 = chunk[0] as u32;
         let b1 = if chunk.len() > 1 { chunk[1] as u32 } else { 0 };