diff --git a/src/components/layout/MainLayout.tsx b/src/components/layout/MainLayout.tsx
index a7025ae..1ce5623 100644
--- a/src/components/layout/MainLayout.tsx
+++ b/src/components/layout/MainLayout.tsx
@@ -514,7 +514,7 @@ export function MainLayout() {
             <span>
               {t('footer.api_version')}: {serverVersion || t('system_info.version_unknown')}
             </span>
-            <span onClick={handleVersionTap}>
+            <span className="footer-version" onClick={handleVersionTap}>
               {t('footer.version')}: {__APP_VERSION__ || t('system_info.version_unknown')}
             </span>
             <span>
diff --git a/src/styles/layout.scss b/src/styles/layout.scss
index 09d2647..2c24c04 100644
--- a/src/styles/layout.scss
+++ b/src/styles/layout.scss
@@ -397,6 +397,13 @@
   font-size: 14px;
   flex-wrap: wrap;
   gap: $spacing-sm;
+
+  .footer-version {
+    user-select: none;
+    -webkit-user-select: none;
+    -ms-user-select: none;
+    -webkit-touch-callout: none;
+  }
 }
 
 .login-page {