diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxEntPayQueryRequest.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxEntPayQueryRequest.java
index 5574948a8..30ff0a87d 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxEntPayQueryRequest.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxEntPayQueryRequest.java
@@ -21,19 +21,6 @@ import me.chanjar.weixin.common.util.ToStringUtils;
  */
 @XStreamAlias("xml")
 public class WxEntPayQueryRequest extends WxPayBaseRequest {
-  /**
-   * <pre>
-   * 商户号
-   * mch_id
-   * 是
-   * 10000098
-   * String(32)
-   * 微信支付分配的商户号
-   * </pre>
-   */
-  @XStreamAlias("mchid")
-  private String mchId;
-
   /**
    * <pre>
    * 商户订单号
@@ -48,16 +35,6 @@ public class WxEntPayQueryRequest extends WxPayBaseRequest {
   @XStreamAlias("partner_trade_no")
   private String partnerTradeNo;
 
-  @Override
-  public String getMchId() {
-    return this.mchId;
-  }
-
-  @Override
-  public void setMchId(String mchId) {
-    this.mchId = mchId;
-  }
-
   public String getPartnerTradeNo() {
     return this.partnerTradeNo;
   }