修复一个查询的问题;

pay/src/main/java/com/xingdata/zxpay/PayCenter.java

@@ -68,10 +68,10 @@ public class PayCenter {
      *
      * @return 查询结果的Observable
      */
-    public Observable<Response> query() {
+    public Observable<Response> query(int payChannel) {
         switch (mShopppp.getHost().getHostMapId()) {
             case C.HOST.PAX:
-                return Factory.query();
+                return Factory.query(payChannel);
             default:
                 return Observable.just(new Response(C.PAY_STATE.FAIL_CUSTOM, "未知渠道"));
         }

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

@@ -95,10 +95,21 @@ public class Factory extends com.xingdata.zxpay.api.Factory {
      *
      * @return 查询结果
      */
-    public static Observable<com.xingdata.zxpay.api.Response> query() {
+    public static Observable<com.xingdata.zxpay.api.Response> query(int payChannel) {
         Request request = Request.create(C.METHOD.QUERY);
         request.setOutTransactionNo(PayCenter.getInstance().mShopppp.getPosppp().getHposTrace());
         request.setTimeStart(orderMap.get(request.getOutTransactionNo()));
+        switch (payChannel) {
+            case com.xingdata.zxpay.C.PAY_CHANNEL.ALI:
+                request.setKey(PayCenter.getInstance().mShopppp.getHshopKeyAlipay());
+                break;
+            case com.xingdata.zxpay.C.PAY_CHANNEL.WECHAT:
+                request.setKey(PayCenter.getInstance().mShopppp.getHshopKeyWechat());
+                break;
+            case com.xingdata.zxpay.C.PAY_CHANNEL.BANK:
+                request.setKey(PayCenter.getInstance().mShopppp.getHshopKeyUnipay());
+                break;
+        }
         request.sign();
         return run(Api.getInstance().service.action(request))
                 .map(new ResultFilter());