diff --git a/src/Handles/BvBeJHandle.php b/src/Handles/BvBeJHandle.php
index 34b1b71..8d95527 100644
--- a/src/Handles/BvBeJHandle.php
+++ b/src/Handles/BvBeJHandle.php
@@ -110,11 +110,7 @@ class BvBeJHandle
             't' => $timestamp
         ]);
         ksort($form);
-        $singArr = [];
-        foreach ($form as $k => $v) {
-            $singArr[urlencode(strval($k))] = urlencode(strval($v));
-        }
-        $sign = http_build_query($singArr);
+        $sign = http_build_query($form);
         try {
             $signature = $this->AesEncrypt($sign, $key, $vi);
             if ($signature === false) {