diff --git a/src/main/java/com/ynxbd/common/action/pay/MedicalAction.java b/src/main/java/com/ynxbd/common/action/pay/MedicalAction.java
index ae4f75b..5862686 100644
--- a/src/main/java/com/ynxbd/common/action/pay/MedicalAction.java
+++ b/src/main/java/com/ynxbd/common/action/pay/MedicalAction.java
@@ -345,13 +345,25 @@ public class MedicalAction extends BaseAction {
         }
     }
 
-    /**
-     * HIS查询医保退费
-     */
+
     @Action("queryRefund")
-    public Result queryRefund(String accessToken, String outTradeNo, String mdTransId) {
-        MedicalRefundInfo info = WxMedHelper.queryRefund(accessToken, outTradeNo, mdTransId);
-        return Result.success(info);
+    public Result queryRefund(String payCode, String outRefundNo, String outTradeNo, String mdTransId) {
+        log.info("[医保]查询退费订单 payCode={}, outRefundNo={}, outTradeNo={}, mdTransId={}", payCode, outRefundNo, outTradeNo, mdTransId);
+
+        MerchantEnum merchantEnum = MerchantEnum.findEnumByCode(payCode);
+        if (merchantEnum == null) { // 支付方式异常
+            return Result.error(ResultEnum.PAY_TYPE_ERROR);
+        }
+        if (ObjectUtils.isEmpty(outRefundNo) && ObjectUtils.isEmpty(outTradeNo) && ObjectUtils.isEmpty(mdTransId)) {
+            return Result.error(ResultEnum.PARAM_IS_BLANK);
+        }
+        if (merchantEnum.equals(MerchantEnum.WX_MEDICAL)) {
+            MedicalRefundInfo info = WxMedHelper.queryRefund(outRefundNo, outTradeNo, mdTransId);
+            info.setAppid(null);
+            info.setMchId(null);
+            return Result.success(info);
+        }
+        return Result.error(ResultEnum.PAY_TYPE_NOT_SUPPORT);
     }
 
 
diff --git a/src/main/java/com/ynxbd/wx/wxfactory/WxMedHelper.java b/src/main/java/com/ynxbd/wx/wxfactory/WxMedHelper.java
index 8217be7..bcad541 100644
--- a/src/main/java/com/ynxbd/wx/wxfactory/WxMedHelper.java
+++ b/src/main/java/com/ynxbd/wx/wxfactory/WxMedHelper.java
@@ -310,12 +310,13 @@ public class WxMedHelper {
     /**
      * [医保]获取授权链接
      */
-    public static MedicalRefundInfo queryRefund(String accessToken, String outTradeNo, String mdTransId) {
+    public static MedicalRefundInfo queryRefund( String outRefundNo, String outTradeNo, String mdTransId) {
         return WxFactory.Medical.Common().queryRefund(
-                accessToken,
+                WxCacheHelper.getAccessToken(),
                 WxMedConfig.MD_APP_ID,
                 WeChatConfig.MCH_ID,
                 WxMedConfig.PAY_KEY,
+                outRefundNo,
                 outTradeNo,
                 mdTransId);
     }
diff --git a/src/main/java/com/ynxbd/wx/wxfactory/bean/MedicalRefundInfo.java b/src/main/java/com/ynxbd/wx/wxfactory/bean/MedicalRefundInfo.java
index 296a462..36c571f 100644
--- a/src/main/java/com/ynxbd/wx/wxfactory/bean/MedicalRefundInfo.java
+++ b/src/main/java/com/ynxbd/wx/wxfactory/bean/MedicalRefundInfo.java
@@ -12,9 +12,7 @@ import lombok.ToString;
 @NoArgsConstructor
 public class MedicalRefundInfo extends WxFactory.ResponseCheck.ResultBase {
     private String appid;
-    private String sub_appid;
-    private String mch_id;
-    private String sub_mch_id;
+    private String mchId;
     private String nonce_str;
     private String med_trans_id;
     private String med_refund_id;
@@ -29,5 +27,4 @@ public class MedicalRefundInfo extends WxFactory.ResponseCheck.ResultBase {
     private String response_content;
     private String cash_refund_id;
     private String insurance_refund_id;
-
 }
diff --git a/src/main/java/com/ynxbd/wx/wxfactory/medical/Client.java b/src/main/java/com/ynxbd/wx/wxfactory/medical/Client.java
index 079dec2..12b9c55 100644
--- a/src/main/java/com/ynxbd/wx/wxfactory/medical/Client.java
+++ b/src/main/java/com/ynxbd/wx/wxfactory/medical/Client.java
@@ -14,6 +14,7 @@ import com.ynxbd.wx.wxfactory.utils.WxSignHelper;
 import lombok.NoArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.lang3.ObjectUtils;
 
 import java.math.BigDecimal;
 import java.util.Date;
@@ -259,16 +260,18 @@ public class Client {
      * @param mchId       mchId
      * @param mdPayKey    mdPayKey
      */
-    public MedicalRefundInfo queryRefund(String accessToken, String appId, String mchId, String mdPayKey, String outTradeNo, String medTransId) {
-
+    public MedicalRefundInfo queryRefund(String accessToken, String appId, String mchId, String mdPayKey, String outRefundNo, String outTradeNo, String medTransId) {
         JsonResult jsonResult = WxRequestHelper.postMdXml(("https://api.weixin.qq.com/payinsurance/queryrefund?access_token=" + accessToken), params -> {
             params.put("appid", appId);
             params.put("mch_id", mchId);
-            // 二选一
-            if (outTradeNo != null) {
+            // 四选一 优先级(med_refund_id > hosp_out_refund_no > hosp_out_trade_no > med_trans_id)
+            if (!ObjectUtils.isEmpty(outRefundNo)) {
+                params.put("hosp_out_refund_no", outRefundNo); // 医院退款订单号
+            }
+            if (!ObjectUtils.isEmpty(outTradeNo)) {
                 params.put("hosp_out_trade_no", outTradeNo); // 第三方服务商订单号 outTradeNo
             }
-            if (medTransId != null) {
+            if (!ObjectUtils.isEmpty(medTransId)) {
                 params.put("med_trans_id", medTransId); // 微信生成的医疗订单号
             }
             params.put("nonce_str", UUID.randomUUID().toString().replaceAll("-", ""));