diff --git a/library/think/Request.php b/library/think/Request.php
index ef9ba1f2..6e032c21 100644
--- a/library/think/Request.php
+++ b/library/think/Request.php
@@ -324,7 +324,7 @@ class Request
                     }
                 }
             }
-            $this->pathinfo = empty($_SERVER['PATH_INFO']) ? '/' : trim($_SERVER['PATH_INFO'], '/');
+            $this->pathinfo = empty($_SERVER['PATH_INFO']) ? '/' : ltrim($_SERVER['PATH_INFO'], '/');
         }
         return $this->pathinfo;
     }