From 8ea6265046015ba3ef39d39a1d325b78b6c57e33 Mon Sep 17 00:00:00 2001
From: Lixi20 <lixi0506cd@gmail.com>
Date: Mon, 7 Sep 2026 15:44:17 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20Web=20=E5=B9=B3=E5=8F=B0=20Platform.oper?=
 =?UTF-8?q?atingSystemVersion=20=E4=B8=8D=E6=94=AF=E6=8C=81=E9=99=8D?=
 =?UTF-8?q?=E7=BA=A7=E5=A4=84=E7=90=86?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

AnalyticsService._defaultOsVersion() 在 Web 平台调用 Platform.operatingSystemVersion
会抛 UnsupportedError，导致 flutter run -d chrome 启动崩溃。加 kIsWeb 判断，
Web 平台降级为 'web-unknown'，Android/iOS 保持动态读取不变。

复现：flutter run -d chrome → 报错 analytics_service.dart:53
修复后：Web 平台正常启动；51 测试全绿、flutter analyze 0 问题。

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
---
 lib/analytics/analytics_service.dart | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/analytics/analytics_service.dart b/lib/analytics/analytics_service.dart
index 0f0d174..64f7cdb 100644
--- a/lib/analytics/analytics_service.dart
+++ b/lib/analytics/analytics_service.dart
@@ -47,7 +47,11 @@ class AnalyticsService {
       List.unmodifiable(_pendingEvents);
 
   /// 粗粒度 osVersion（13 号规范 §4.0：主版本级，如 android-14）。
+  /// Web 平台不支持 Platform.operatingSystemVersion，降级为 'web-unknown'。
   static String _defaultOsVersion() {
+    if (kIsWeb) {
+      return 'web-unknown';
+    }
     final major = RegExp(
       r'\d+',
     ).firstMatch(Platform.operatingSystemVersion)?.group(0);