diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxMaEntrustRequest.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxMaEntrustRequest.java
index 33dc7ef8e..164d6c534 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxMaEntrustRequest.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/request/WxMaEntrustRequest.java
@@ -100,21 +100,6 @@ public class WxMaEntrustRequest extends BaseWxPayRequest {
   @XStreamAlias("notify_url")
   private String notifyUrl;
 
-  /**
-   * <pre>
-   * 版本号
-   * sign
-   * 是
-   * string(8)
-   * 1.0
-   * 固定值1.0
-   * </pre>
-   */
-  @Required
-  @XStreamAlias("version")
-  private String version;
-
-
   /**
    * <pre>
    * 时间戳