From d6840560212581c4bfced5691bb85ddc67986397 Mon Sep 17 00:00:00 2001
From: PuqiAR <PuqiAR@qq.com>
Date: Sat, 3 Jan 2026 17:31:48 +0800
Subject: [PATCH] =?UTF-8?q?C++=2023=E6=88=91=E6=9D=A5=E5=95=A6?=
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---
 .ci/Dockerfile | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/.ci/Dockerfile b/.ci/Dockerfile
index edb77c0..26fcf84 100644
--- a/.ci/Dockerfile
+++ b/.ci/Dockerfile
@@ -3,8 +3,11 @@ FROM ubuntu:22.04
 # 设置非root用户
 RUN useradd -m -s /bin/bash builder
 
-# 1. 安装构建工具和编译器（包含 GCC 13）
+# 1. 添加包含 GCC 13 的软件源并安装
 RUN apt-get update && \
+    apt-get install -y --no-install-recommends software-properties-common && \
+    add-apt-repository -y ppa:ubuntu-toolchain-r/test && \
+    apt-get update && \
     apt-get install -y --no-install-recommends \
         wget tar git curl ca-certificates \
         build-essential \