diff --git a/app/common.php b/app/common.php
index 99322f6..7bd1a86 100644
--- a/app/common.php
+++ b/app/common.php
@@ -299,6 +299,10 @@ function getMuiLangUrl($url)
         $firstPath = '';
     }
     if(!empty($firstPath)){
+        // 首页：/en 而非 /en/（与语言切换 buildLangUrl 一致）
+        if ($url === '/' || $url === '') {
+            return '/' . $firstPath;
+        }
         $url = '/' . $firstPath . $url;
     }
     return $url;