diff --git a/src/main/java/com/example/catchTheLetters/controller/LevelController.java b/src/main/java/com/example/catchTheLetters/controller/LevelController.java
index dbbc556..d49b112 100644
--- a/src/main/java/com/example/catchTheLetters/controller/LevelController.java
+++ b/src/main/java/com/example/catchTheLetters/controller/LevelController.java
@@ -3,10 +3,12 @@ package com.example.catchTheLetters.controller;
 import com.example.catchTheLetters.entity.Level;
 import com.example.catchTheLetters.model.vo.RankVo;
 import com.example.catchTheLetters.entity.ScoreInfo;
+import com.example.catchTheLetters.service.LevelService;
 import com.example.catchTheLetters.utils.R;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;
 import io.swagger.annotations.ApiParam;
+import jakarta.annotation.Resource;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.web.bind.annotation.*;
 
@@ -20,6 +22,9 @@ import org.springframework.web.bind.annotation.*;
 @Api(tags = "关卡API")
 @RequestMapping("/level")
 public class LevelController {
+    @Resource
+    private LevelService levelService;
+
     @ApiOperation(value = "关卡列表（只返回ID、名称和类型）")
     @GetMapping("/list")
     public R<Level> list() {
@@ -41,14 +46,15 @@ public class LevelController {
 
     @ApiOperation(value = "关卡修改（web前端管理员提交）")
     @PostMapping("/update")
-    public R update(@RequestBody Level level) {
-        return null;
+    public R update(@RequestBody Level level)
+    {
+        return levelService.update(level) ? R.ok() : R.fail();
     }
 
     @ApiOperation(value = "关卡删除（web前端管理员提交）")
     @PostMapping("/delete")
-    public R delete(Long id) {
-        return null;
+    public R delete(String id) {
+        return levelService.delete(id) ? R.ok() : R.fail();
     }
 
     @ApiOperation(value = "获取某个关卡排行榜数据")
diff --git a/src/main/java/com/example/catchTheLetters/service/LevelService.java b/src/main/java/com/example/catchTheLetters/service/LevelService.java
index 0bd0f03..6250f0e 100644
--- a/src/main/java/com/example/catchTheLetters/service/LevelService.java
+++ b/src/main/java/com/example/catchTheLetters/service/LevelService.java
@@ -1,5 +1,7 @@
 package com.example.catchTheLetters.service;
 
+import com.example.catchTheLetters.entity.Level;
+
 /**
  * @author 慕华
  * @date 2024/4/10
@@ -7,4 +9,19 @@ package com.example.catchTheLetters.service;
  * @description
  */
 public interface LevelService {
+
+    /**
+     *  删除关卡
+     * @param id 关卡id
+     * @return 是否成功
+     */
+    boolean delete(String id);
+
+    /**
+     *  更新关卡
+     * @param level 关卡
+     * @return 是否成功
+     */
+    boolean update(Level level);
+
 }
diff --git a/src/main/java/com/example/catchTheLetters/service/impl/LevelServiceImpl.java b/src/main/java/com/example/catchTheLetters/service/impl/LevelServiceImpl.java
index 12b1c4b..f731725 100644
--- a/src/main/java/com/example/catchTheLetters/service/impl/LevelServiceImpl.java
+++ b/src/main/java/com/example/catchTheLetters/service/impl/LevelServiceImpl.java
@@ -1,5 +1,19 @@
 package com.example.catchTheLetters.service.impl;
 
+import com.example.catchTheLetters.constant.CommonConstant;
+import com.example.catchTheLetters.entity.Level;
+import com.example.catchTheLetters.service.LevelService;
+import com.example.catchTheLetters.utils.R;
+import com.github.yulichang.method.mp.Delete;
+import com.mongodb.client.result.DeleteResult;
+import com.mongodb.client.result.UpdateResult;
+import com.mongodb.internal.bulk.DeleteRequest;
+import jakarta.annotation.Resource;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.data.mongodb.core.query.Criteria;
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.data.mongodb.core.query.Update;
 import org.springframework.stereotype.Service;
 
 /**
@@ -9,5 +23,38 @@ import org.springframework.stereotype.Service;
  * @description
  */
 @Service
-public class LevelServiceImpl {
+public class LevelServiceImpl implements LevelService {
+    @Resource
+    private MongoTemplate mongoTemplate;
+
+    @Override
+    public boolean delete(String id) {
+        Level level = new Level();
+        level.setId(id);
+        DeleteResult deleteRequest = mongoTemplate.remove(level);
+        if (deleteRequest.getDeletedCount() > 0) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+
+    @Override
+    public boolean update(Level level) {
+        Query query=Query.query(Criteria.where("id").is(level.getId()));
+        Update update = new Update();
+        update.set("order",level.getOrder());
+        update.set("name",level.getName());
+        update.set("type",level.getType());
+        update.set("timeLimit",level.getTimeLimit());
+        update.set("targetScore",level.getTargetScore());
+        update.set("words",level.getWords());
+
+        UpdateResult updateResult=mongoTemplate.updateFirst(query, update, Level.class);
+        if (updateResult.getModifiedCount() > 0) {
+            return true;
+        } else {
+            return false;
+        }
+    }
 }