diff --git a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/entity/Project.java b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/entity/Project.java
index a5b4746..73dca01 100644
--- a/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/entity/Project.java
+++ b/src/main/java/cn/edu/hfut/rmdjzz/projectmanagement/entity/Project.java
@@ -1,5 +1,6 @@
 package cn.edu.hfut.rmdjzz.projectmanagement.entity;
 
+import cn.edu.hfut.rmdjzz.projectmanagement.utils.TimeUtils;
 import com.baomidou.mybatisplus.annotation.IdType;
 import com.baomidou.mybatisplus.annotation.TableField;
 import com.baomidou.mybatisplus.annotation.TableId;
@@ -45,4 +46,15 @@ public class Project {
     private Integer projectCreator;
     private LocalDateTime projectCreatedTime;
     private LocalDate projectClosedDate;
+
+    Boolean checkProjectDate() {
+        if(!TimeUtils.validateTimeLine(projectStartDate, projectFirstTestDate, projectClosedDate, projectEndDate)) {
+            return false;
+        }
+        if(!TimeUtils.validateTimeLine(projectStartDate, projectOnlineDate)) {
+            return false;
+        }
+        return true;
+    }
+
 }