diff --git a/pay-java-fuiou/src/main/java/com/egzosn/pay/fuiou/api/FuiouPayService.java b/pay-java-fuiou/src/main/java/com/egzosn/pay/fuiou/api/FuiouPayService.java
index 5819b6c..5519059 100644
--- a/pay-java-fuiou/src/main/java/com/egzosn/pay/fuiou/api/FuiouPayService.java
+++ b/pay-java-fuiou/src/main/java/com/egzosn/pay/fuiou/api/FuiouPayService.java
@@ -307,7 +307,15 @@ public class FuiouPayService extends BasePayService {
      */
     @Override
     public Map<String, Object> query(String tradeNo, String outTradeNo) {
-        return null;
+
+        LinkedHashMap<String, Object> params = new LinkedHashMap<>();
+        params.put("mchnt_cd", payConfigStorage.getPid());
+        params.put("order_id", outTradeNo);
+        params.put("md5", createSign(SignUtils.parameters2MD5Str(params, "|"), payConfigStorage.getInputCharset()));
+        JSONObject resultJson = getHttpRequestTemplate().postForObject(getReqUrl() + URL_FuiouSmpAQueryGate + "?" + UriVariables.getMapToParameters(params), null, JSONObject.class);
+
+
+        return resultJson;
     }
 
     /**
@@ -320,7 +328,8 @@ public class FuiouPayService extends BasePayService {
      */
     @Override
     public <T> T query (String tradeNo, String outTradeNo, Callback<T> callback) {
-        return null;
+
+        return callback.perform(query(tradeNo, outTradeNo));
     }
 
     /**