diff --git a/tduck-project/src/main/java/com/tduck/cloud/project/entity/struct/DateExpandStruct.java b/tduck-project/src/main/java/com/tduck/cloud/project/entity/struct/DateExpandStruct.java
index 95303a5..6ad0db8 100644
--- a/tduck-project/src/main/java/com/tduck/cloud/project/entity/struct/DateExpandStruct.java
+++ b/tduck-project/src/main/java/com/tduck/cloud/project/entity/struct/DateExpandStruct.java
@@ -10,5 +10,11 @@ import lombok.Data;
 @Data
 public class DateExpandStruct {
 
+    // 日期类型
+    private String type;
+    // 日期格式
+    private String format;
+    // 日期格式
+    private String valueFormat;
 
 }