diff --git a/weixin-java-open/src/main/java/me/chanjar/weixin/open/bean/ma/WxMaOpenCommitStandardExt.java b/weixin-java-open/src/main/java/me/chanjar/weixin/open/bean/ma/WxMaOpenCommitStandardExt.java
index 2d4b71391..e70daf65c 100644
--- a/weixin-java-open/src/main/java/me/chanjar/weixin/open/bean/ma/WxMaOpenCommitStandardExt.java
+++ b/weixin-java-open/src/main/java/me/chanjar/weixin/open/bean/ma/WxMaOpenCommitStandardExt.java
@@ -35,13 +35,12 @@ import java.util.Map;
  */
 @Data
 public class WxMaOpenCommitStandardExt implements Serializable {
-
   private static final long serialVersionUID = 4595618023108631477L;
 
   /**
    * 授权小程序Appid，可填入商户小程序AppID，以区分不同商户
    */
-  @SerializedName("create_time")
+  @SerializedName("extAppId")
   private String extAppId;
 
   /**