edit

lib/Yspay.php

@@ -41,6 +41,10 @@ class Yspay extends Core
 		}
 		$sign = $input['sign'];
 		unset($input['sign']);
+		if (isset($input['e_sign'])) {
+			unset($input['sign']);
+		}
+		
 		ksort($input);
 
 		$string = array();