diff --git a/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java b/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java
index 93d859b..879cdd0 100644
--- a/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java
+++ b/pay-java-ali/src/main/java/com/egzosn/pay/ali/api/AliPayService.java
@@ -233,7 +233,7 @@ public class AliPayService extends BasePayService<AliPayConfigStorage> {
 
         Map<String, Object> bizContent = new TreeMap<>();
         bizContent.put("body", order.getBody());
-        bizContent.put("seller_id", payConfigStorage.getSeller());
+        setParameters(bizContent, "seller_id", payConfigStorage.getSeller());
         bizContent.put("subject", order.getSubject());
         bizContent.put("out_trade_no", order.getOutTradeNo());
         bizContent.put("total_amount", Util.conversionAmount(order.getPrice()).toString());
diff --git a/pay-java-demo/src/main/webapp/gzh.png b/pay-java-demo/src/main/webapp/gzh.png
new file mode 100644
index 0000000..bb9a069
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diff --git a/pay-java-demo/src/main/webapp/wx.jpg b/pay-java-demo/src/main/webapp/wx.jpg
new file mode 100644
index 0000000..35c20de
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