diff --git a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/OutdoorFairController.java b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/OutdoorFairController.java
index e3545df..df126f7 100644
--- a/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/OutdoorFairController.java
+++ b/ruoyi-bussiness/src/main/java/com/ruoyi/cms/controller/cms/OutdoorFairController.java
@@ -447,6 +447,10 @@ public class OutdoorFairController extends BaseController
         if (RoleUtils.isCompanyAdmin()) {
             return AjaxResult.error("企业用户无权新增户外招聘会");
         }
+        String timeValidationError = validateRegistrationDeadline(outdoorFair);
+        if (timeValidationError != null) {
+            return AjaxResult.error(timeValidationError);
+        }
         fillVenueFields(outdoorFair);
         boolean saved = outdoorFairService.save(outdoorFair);
         if (saved) {
@@ -468,6 +472,10 @@ public class OutdoorFairController extends BaseController
         if (RoleUtils.isCompanyAdmin()) {
             return AjaxResult.error("企业用户无权编辑户外招聘会");
         }
+        String timeValidationError = validateRegistrationDeadline(outdoorFair);
+        if (timeValidationError != null) {
+            return AjaxResult.error(timeValidationError);
+        }
         OutdoorFair oldFair = outdoorFair.getId() == null ? null : outdoorFairService.getById(outdoorFair.getId());
         fillVenueFields(outdoorFair);
         boolean venueChanged = oldFair == null || !java.util.Objects.equals(oldFair.getVenueId(), outdoorFair.getVenueId());
@@ -1081,6 +1089,17 @@ public class OutdoorFairController extends BaseController
         return (boothCount != null && boothCount > 0) || (bookingCount != null && bookingCount > 0);
     }
 
+    static String validateRegistrationDeadline(OutdoorFair outdoorFair)
+    {
+        if (outdoorFair != null
+                && outdoorFair.getApplyEndTime() != null
+                && outdoorFair.getHoldTime() != null
+                && outdoorFair.getApplyEndTime().after(outdoorFair.getHoldTime())) {
+            return "报名截止时间不能晚于招聘会举办时间";
+        }
+        return null;
+    }
+
     /**
      * 将当前场地模板克隆为招聘会自己的展位图。模板与副本只在这里发生单向复制，之后互不影响。
      */
diff --git a/ruoyi-bussiness/src/test/java/com/ruoyi/cms/controller/cms/OutdoorFairControllerTest.java b/ruoyi-bussiness/src/test/java/com/ruoyi/cms/controller/cms/OutdoorFairControllerTest.java
index d1d3d23..10580e3 100644
--- a/ruoyi-bussiness/src/test/java/com/ruoyi/cms/controller/cms/OutdoorFairControllerTest.java
+++ b/ruoyi-bussiness/src/test/java/com/ruoyi/cms/controller/cms/OutdoorFairControllerTest.java
@@ -1,12 +1,15 @@
 package com.ruoyi.cms.controller.cms;
 
+import com.ruoyi.cms.domain.OutdoorFair;
 import org.junit.jupiter.api.Test;
 import org.springframework.mock.web.MockHttpServletRequest;
 
 import java.lang.reflect.Method;
+import java.util.Date;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
 
 class OutdoorFairControllerTest
 {
@@ -79,6 +82,30 @@ class OutdoorFairControllerTest
                 buildCompanyH5Url(request, 12L, 34L));
     }
 
+    @Test
+    void registrationDeadlineCannotBeAfterFairHoldTime()
+    {
+        OutdoorFair fair = fairWithTimes(1_000L, 1_001L);
+
+        assertEquals("报名截止时间不能晚于招聘会举办时间",
+                OutdoorFairController.validateRegistrationDeadline(fair));
+    }
+
+    @Test
+    void registrationDeadlineCanEqualOrPrecedeFairHoldTime()
+    {
+        assertNull(OutdoorFairController.validateRegistrationDeadline(fairWithTimes(1_000L, 1_000L)));
+        assertNull(OutdoorFairController.validateRegistrationDeadline(fairWithTimes(1_000L, 999L)));
+    }
+
+    private OutdoorFair fairWithTimes(long holdTime, long applyEndTime)
+    {
+        OutdoorFair fair = new OutdoorFair();
+        fair.setHoldTime(new Date(holdTime));
+        fair.setApplyEndTime(new Date(applyEndTime));
+        return fair;
+    }
+
     private String buildCompanyH5Url(MockHttpServletRequest request, Long fairId, Long companyId)
             throws Exception
     {