From e357700d606b6486a72200c7064f0f972722aedf Mon Sep 17 00:00:00 2001
From: Memory <134070804+Memory2314@users.noreply.github.com>
Date: Thu, 21 Aug 2025 19:02:01 +0800
Subject: [PATCH] fix: correct version comparison logic

---
 src/main/resolve/autoUpdater.ts | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/src/main/resolve/autoUpdater.ts b/src/main/resolve/autoUpdater.ts
index b1a1cb1..ec76880 100644
--- a/src/main/resolve/autoUpdater.ts
+++ b/src/main/resolve/autoUpdater.ts
@@ -26,13 +26,31 @@ export async function checkUpdate(): Promise<IAppVersion | undefined> {
   )
   const latest = yaml.parse(res.data, { merge: true }) as IAppVersion
   const currentVersion = app.getVersion()
-  if (latest.version !== currentVersion) {
+  if (compareVersions(latest.version, currentVersion) > 0) {
     return latest
   } else {
     return undefined
   }
 }
 
+// 1:新 -1:旧 0:相同
+function compareVersions(a: string, b: string): number {
+  const parsePart = (part: string) => {
+    const numPart = part.split('-')[0]
+    const num = parseInt(numPart, 10)
+    return isNaN(num) ? 0 : num
+  }
+  const v1 = a.replace(/^v/, '').split('.').map(parsePart)
+  const v2 = b.replace(/^v/, '').split('.').map(parsePart)
+  for (let i = 0; i < Math.max(v1.length, v2.length); i++) {
+    const num1 = v1[i] || 0
+    const num2 = v2[i] || 0
+    if (num1 > num2) return 1
+    if (num1 < num2) return -1
+  }
+  return 0
+}
+
 export async function downloadAndInstallUpdate(version: string): Promise<void> {
   const { 'mixed-port': mixedPort = 7890 } = await getControledMihomoConfig()
   const baseUrl = `https://github.com/mihomo-party-org/mihomo-party/releases/download/v${version}/`
@@ -113,4 +131,4 @@ export async function downloadAndInstallUpdate(version: string): Promise<void> {
     rm(path.join(dataDir(), file))
     throw e
   }
-}
+}
\ No newline at end of file