fix: PayPal wh记录手动录入

webht/third_party/paypal/controllers/index.php

@@ -1017,6 +1017,7 @@ class Index extends CI_Controller {
                 $payment_fee = property_exists($webhook_memo, 'mc_fee') ? $webhook_memo->mc_fee : $webhook_memo->resource->transaction_fee->value;
 
                 $GAI_API = property_exists($webhook_memo, 'GAI_API') ? $webhook_memo->GAI_API : null;
+                $GAI_API = json_encode($GAI_API, JSON_UNESCAPED_SLASHES);
             } else {
                 $payment_fee = property_exists($webhook_memo, 'mc_fee') ? $webhook_memo->mc_fee : 0;
             }