diff --git a/mobile/plugins/payment/wxpay.php b/mobile/plugins/payment/wxpay.php
index 282515b..f3abdb0 100755
--- a/mobile/plugins/payment/wxpay.php
+++ b/mobile/plugins/payment/wxpay.php
@@ -254,6 +254,8 @@ class wxpay
             'signType' => $signType,
             'paySign' => $paySign,
         );
+        $jsApiParameters = json_encode($jsApiParameters);
+
 
         // wxjsbridge
         $js = '