diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/oa/WxCpOaApplyEventRequest.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/oa/WxCpOaApplyEventRequest.java
index 503a873b37..8aebb66003 100644
--- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/oa/WxCpOaApplyEventRequest.java
+++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/bean/oa/WxCpOaApplyEventRequest.java
@@ -37,6 +37,12 @@ public class WxCpOaApplyEventRequest implements Serializable {
   @SerializedName("use_template_approver")
   private Integer useTemplateApprover;
 
+  /**
+   * 提单者提单部门id，不填默认为主部门
+   */
+  @SerializedName("choose_department")
+  private Integer chooseDepartment;
+
   /**
    * 审批流程信息，用于指定审批申请的审批流程，支持单人审批、多人会签、多人或签，可能有多个审批节点，仅use_template_approver为0时生效。
    */