diff --git a/src/main/java/com/peanut/modules/sociology/service/impl/CourseServiceImpl.java b/src/main/java/com/peanut/modules/sociology/service/impl/CourseServiceImpl.java
index 0003ede7..a129439e 100644
--- a/src/main/java/com/peanut/modules/sociology/service/impl/CourseServiceImpl.java
+++ b/src/main/java/com/peanut/modules/sociology/service/impl/CourseServiceImpl.java
@@ -4,6 +4,7 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.github.yulichang.wrapper.MPJLambdaWrapper;
+import com.peanut.common.utils.DateUtils;
 import com.peanut.common.utils.R;
 import com.peanut.common.utils.ShiroUtils;
 import com.peanut.modules.book.service.ShopProductService;
@@ -235,13 +236,11 @@ public class CourseServiceImpl extends ServiceImpl<CourseDao, CourseEntity> impl
         userCourseBuyEntity.setUserId(uId);
         userCourseBuyEntity.setCourseId(courseCatalogueEntity.getCourseId());
         userCourseBuyEntity.setCatalogueId(catalogueId);
-        userCourseBuyEntity.setDays(30);
-        userCourseBuyEntity.setCreateTime(new Date());
-        userCourseBuyEntity.setStartTime(new Date());
-        Calendar cal = Calendar.getInstance();
-        cal.setTime(new Date());
-        cal.add(Calendar.DAY_OF_MONTH,30);
-        userCourseBuyEntity.setEndTime(cal.getTime());
+        userCourseBuyEntity.setDays(183);
+        Date date = new Date();
+        userCourseBuyEntity.setCreateTime(date);
+        userCourseBuyEntity.setStartTime(date);
+        userCourseBuyEntity.setEndTime(DateUtils.addDateDays(date,183));
         userCourseBuyEntity.setCome("免费领取课程");
         userCourseBuyDao.insert(userCourseBuyEntity);
         UserCourseBuyLog userCourseBuyLog = new UserCourseBuyLog();