diff --git a/app/api/controller/Gh.php b/app/api/controller/Gh.php
index d815c5bf..fb1a7c16 100644
--- a/app/api/controller/Gh.php
+++ b/app/api/controller/Gh.php
@@ -120,7 +120,7 @@ class Gh extends Api
         // var_dump($request);
         $data['mer_id'] = "120448160200";
         $data['ser_id'] = "120400005722";
-        $data['$from'] = $from;
+        $data['from'] = $from;
         $data['order_id'] = $order_id;
         $data['out_trade_no'] = $out;
         $data['pay_mode'] = "9";