From 3760c25eb477a9e451495eda137c5ac964c63b3c Mon Sep 17 00:00:00 2001
From: "peng.li24" <734991033@qq.com>
Date: Sun, 13 Sep 2026 23:37:20 +0800
Subject: [PATCH] =?UTF-8?q?install:=20BASE=5FURL=20=E5=8F=AF=E8=A6=86?=
 =?UTF-8?q?=E7=9B=96=E4=B8=8B=E8=BD=BD=E6=BA=90?=
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镜像 / 内网 / file:// 离线安装用；默认仍走 GitHub releases。
（本次端到端验证即用它指向本地假源，走完 下载 → sha256 校验 → 安装 → 运行。）

Co-Authored-By: Claude Code <noreply@anthropic.com>
---
 install.sh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/install.sh b/install.sh
index 8597b81e..dbefa676 100755
--- a/install.sh
+++ b/install.sh
@@ -41,7 +41,8 @@ if [ -z "$tag" ]; then
 fi
 
 # ── 下载 ─────────────────────────────────────────────────────────────
-base="https://github.com/$REPO/releases/download/$tag"
+# BASE_URL 可覆盖下载源（镜像 / 内网 / file:// 离线安装）
+base="${BASE_URL:-https://github.com/$REPO/releases/download/$tag}"
 tarball="kvlang-abi-$tag-$plat.tar.gz"
 case "$plat" in
   linux-*)  sums=SHA256SUMS-linux ;;