diff --git a/payapi/src/main/kotlin/com/supwisdom/dlpay/agent/service/impl/alipay_service_impl.kt b/payapi/src/main/kotlin/com/supwisdom/dlpay/agent/service/impl/alipay_service_impl.kt
index 4c9d1ed..2f075ef 100644
--- a/payapi/src/main/kotlin/com/supwisdom/dlpay/agent/service/impl/alipay_service_impl.kt
+++ b/payapi/src/main/kotlin/com/supwisdom/dlpay/agent/service/impl/alipay_service_impl.kt
@@ -139,7 +139,7 @@
             }
             val alipayClient = createAlipayClient(config)
             val request = AlipayTradeAppPayRequest()
-            val productCode = ""
+            var productCode = ""
             //判断是否为H5
             if (transaction.transCode == TradeCode.TRANSCODE_H5PAY) productCode = "QUICK_WAP_WAY"
             request.bizModel = AlipayTradePayModel().apply {