diff --git a/client/lib/screens/about/about_screen.dart b/client/lib/screens/about/about_screen.dart
index 9557374..9f56413 100644
--- a/client/lib/screens/about/about_screen.dart
+++ b/client/lib/screens/about/about_screen.dart
@@ -189,10 +189,15 @@ class _AboutScreenState extends ConsumerState<AboutScreen> {
           Text('酒水进销存管理系统',
               style: TextStyle(fontSize: AppDims.fsSm, color: t.muted)),
         ]),
+        const SizedBox(height: 12),
+        // 检查更新与下方反馈按钮同规格（38h 通栏，左右边缘对齐）
+        Row(children: [
+          Expanded(
+            child: DsButton('检查更新',
+                icon: LucideIcons.refreshCw, onPressed: _checkUpdate),
+          ),
+        ]),
         const SizedBox(height: 10),
-        DsSmallGhostButton(
-            label: '检查更新', icon: LucideIcons.refreshCw, onTap: _checkUpdate),
-        const SizedBox(height: 18),
         Row(children: [
           Expanded(
             child: DsButton('反馈 Bug',
diff --git a/client/test/golden/goldens/about_mobile_a.png b/client/test/golden/goldens/about_mobile_a.png
index 7cd0b2c..c14f5d1 100644
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diff --git a/client/test/golden/goldens/about_mobile_b.png b/client/test/golden/goldens/about_mobile_b.png
index 3337a38..1f966f7 100644
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diff --git a/client/test/golden/goldens/about_mobile_c.png b/client/test/golden/goldens/about_mobile_c.png
index f47e565..620d0a2 100644
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