diff --git a/src/main/java/com/peanut/modules/master/controller/UserCertificateController.java b/src/main/java/com/peanut/modules/master/controller/UserCertificateController.java
index f34f68fb..5efb271a 100644
--- a/src/main/java/com/peanut/modules/master/controller/UserCertificateController.java
+++ b/src/main/java/com/peanut/modules/master/controller/UserCertificateController.java
@@ -4,12 +4,12 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
 import com.github.yulichang.wrapper.MPJLambdaWrapper;
 import com.peanut.common.utils.R;
-import com.peanut.modules.common.entity.MyUserEntity;
-import com.peanut.modules.common.entity.UserCertificate;
-import com.peanut.modules.common.entity.UserCertificateLabel;
+import com.peanut.modules.common.entity.*;
+import com.peanut.modules.common.service.ClassEntityService;
 import com.peanut.modules.common.service.MyUserService;
 import com.peanut.modules.common.service.UserCertificateLabelService;
 import com.peanut.modules.common.service.UserCertificateService;
+import com.peanut.modules.master.service.CourseService;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.lang.StringUtils;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -34,6 +34,33 @@ public class UserCertificateController {
     private UserCertificateLabelService userCertificateLabelService;
     @Autowired
     private MyUserService myUserService;
+    @Autowired
+    private CourseService courseService;
+
+    //新增证书
+    @RequestMapping("/addCertificate")
+    public R addCertificate(@RequestBody UserCertificate userCertificate) {
+        CourseEntity courseEntity = courseService.getById(userCertificate.getCourseId());
+        if (courseEntity != null) {
+            userCertificate.setTitle(courseEntity.getTitle());
+        }
+        userCertificateService.save(userCertificate);
+        return R.ok();
+    }
+
+    //编辑证书
+    @RequestMapping("/editCertificate")
+    public R editCertificate(@RequestBody UserCertificate userCertificate) {
+        userCertificateService.updateById(userCertificate);
+        return R.ok();
+    }
+
+    //删除证书
+    @RequestMapping("/delCertificate")
+    public R delCertificate(@RequestBody UserCertificate userCertificate) {
+        userCertificateService.removeById(userCertificate.getId());
+        return R.ok();
+    }
 
     //标签列表
     @RequestMapping("/userCertificateLabelList")
@@ -60,6 +87,7 @@ public class UserCertificateController {
         if (params.containsKey("title")&&StringUtils.isNotBlank(params.get("title").toString())) {
             wrapper.like(UserCertificate::getTitle,params.get("title"));
         }
+        wrapper.orderByDesc(UserCertificate::getCreateTime);
         Page<UserCertificate> certificatePage = userCertificateService.page(new Page<>(
                 Long.parseLong(params.get("current").toString()),Long.parseLong(params.get("limit").toString())),wrapper);
         for (UserCertificate certificate:certificatePage.getRecords()){