diff --git a/app/functions.php b/app/functions.php
index 18b52be..bfd4e4f 100644
--- a/app/functions.php
+++ b/app/functions.php
@@ -188,7 +188,8 @@ if (!function_exists('get_controller_path')) {
                     $parts = explode('\\', $relative);
                     $path = [];
                     foreach ($parts as $p) {
-                        $path[] = strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $p));
+                        // 与 BuildAdmin admin_rule.name 一致：多段类名用 camelCase（如 auth/adminLog），不用 admin_log
+                        $path[] = lcfirst($p);
                     }
                     return implode('/', $path);
                 }
@@ -215,10 +216,10 @@ if (!function_exists('get_controller_path')) {
                 $dotPos = strpos($seg, '.');
                 $mod = substr($seg, 0, $dotPos);
                 $ctrl = substr($seg, $dotPos + 1);
-                $normalized[] = strtolower($mod);
-                $normalized[] = strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $ctrl));
+                $normalized[] = lcfirst($mod);
+                $normalized[] = lcfirst($ctrl);
             } else {
-                $normalized[] = strtolower(preg_replace('/([a-z])([A-Z])/', '$1_$2', $seg));
+                $normalized[] = lcfirst($seg);
             }
         }
         return implode('/', $normalized);