修改;

pay/src/main/java/com/xingdata/zxpay/pax/Factory.java

@@ -62,15 +62,19 @@ public class Factory extends com.xingdata.zxpay.api.Factory {
         switch (payChannel) {
             case com.xingdata.zxpay.C.PAY_CHANNEL.ALI:
                 request.setTradeType(C.TRADE_TYPE.ALI);
+                request.setKey(PayCenter.getInstance().mShopppp.getHshopKeyAlipay());
                 break;
             case com.xingdata.zxpay.C.PAY_CHANNEL.WECHAT:
                 request.setTradeType(C.TRADE_TYPE.WECHAT);
+                request.setKey(PayCenter.getInstance().mShopppp.getHshopKeyWechat());
                 break;
             case com.xingdata.zxpay.C.PAY_CHANNEL.BANK:
                 request.setTradeType(C.TRADE_TYPE.UNION);
+                request.setKey(PayCenter.getInstance().mShopppp.getHshopKeyUnipay());
                 break;
         }
         request.sign();
+
         return run(Api.getInstance().service.action(request))
                 .map(new ResultFilter())
                 .doFinally(() -> orderMap.put(request.getOutTransactionNo(), request.getTimeStart()));