From 5e120d03ae57f96b1a8259c73047fb9bddc08cc4 Mon Sep 17 00:00:00 2001
From: shenmo <jifengshenmo@outlook.com>
Date: Thu, 16 Jul 2026 00:44:42 +0800
Subject: [PATCH] =?UTF-8?q?refactor(installer):=20=E6=9B=B4=E6=96=B0?=
 =?UTF-8?q?=E4=B8=8B=E8=BD=BD=E9=87=8D=E8=AF=95=E7=AD=96=E7=95=A5=E4=B8=BA?=
 =?UTF-8?q?=E6=8C=87=E6=95=B0=E9=80=80=E9=81=BF?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

将原来固定间隔的重试超时列表替换为指数退避的重试间隔，从首次3秒递增到末次1分钟，共10次重试，优化下载失败后的重试体验
---
 electron/main/backend/install-manager.ts  | 4 ++--
 electron/main/backend/shared-installer.ts | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/electron/main/backend/install-manager.ts b/electron/main/backend/install-manager.ts
index 9744db51..fb1be474 100644
--- a/electron/main/backend/install-manager.ts
+++ b/electron/main/backend/install-manager.ts
@@ -544,9 +544,9 @@ async function runDownloadPhase(task: InstallTask) {
 
       sendStatus("downloading");
 
-      // 下载重试逻辑：共10次，5次3秒，3次5秒，2次10秒
+      // 下载重试逻辑：共10次，指数退避，首次3秒，末次1分钟
       const timeoutList = [
-        3000, 3000, 3000, 3000, 3000, 5000, 5000, 5000, 10000, 10000,
+        3000, 4500, 6500, 9000, 13000, 18000, 26000, 36000, 50000, 60000,
       ];
       let retryCount = 0;
       let downloadSuccess = false;
diff --git a/electron/main/backend/shared-installer.ts b/electron/main/backend/shared-installer.ts
index 99d80353..2c033b79 100644
--- a/electron/main/backend/shared-installer.ts
+++ b/electron/main/backend/shared-installer.ts
@@ -106,9 +106,9 @@ export const downloadPackage = async ({
 
   onStatus?.("downloading");
 
-  // 下载重试逻辑：共10次，5次3秒，3次5秒，2次10秒
+  // 下载重试逻辑：共10次，指数退避，首次3秒，末次1分钟
   const timeoutList = [
-    3000, 3000, 3000, 3000, 3000, 5000, 5000, 5000, 10000, 10000,
+    3000, 4500, 6500, 9000, 13000, 18000, 26000, 36000, 50000, 60000,
   ];
   let retryCount = 0;
   let downloadSuccess = false;