diff --git a/src/main/java/com/example/catchTheLetters/controller/LevelController.java b/src/main/java/com/example/catchTheLetters/controller/LevelController.java
index 5bc5f8e..24a0ee2 100644
--- a/src/main/java/com/example/catchTheLetters/controller/LevelController.java
+++ b/src/main/java/com/example/catchTheLetters/controller/LevelController.java
@@ -24,7 +24,6 @@ import java.util.List;
 @Api(tags = "关卡API")
 @RequestMapping("/level")
 public class LevelController {
-
     @Resource
     private LevelService levelService;
 
@@ -49,14 +48,15 @@ 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(String id) {
-        return null;
+        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 fd08c3a..aa1ac77 100644
--- a/src/main/java/com/example/catchTheLetters/service/LevelService.java
+++ b/src/main/java/com/example/catchTheLetters/service/LevelService.java
@@ -55,4 +55,19 @@ public interface LevelService {
      */
     boolean levelCreate(Level level);
 
+
+    /**
+     *  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 baefe8d..11eaadd 100644
--- a/src/main/java/com/example/catchTheLetters/service/impl/LevelServiceImpl.java
+++ b/src/main/java/com/example/catchTheLetters/service/impl/LevelServiceImpl.java
@@ -10,6 +10,7 @@ import jakarta.annotation.Resource;
 import org.springframework.data.mongodb.core.MongoTemplate;
 import org.springframework.data.mongodb.core.query.Criteria;
 import org.springframework.data.mongodb.core.query.Query;
+import com.mongodb.client.result.DeleteResult;
 import org.springframework.stereotype.Service;
 
 import java.util.List;
@@ -90,4 +91,18 @@ public class LevelServiceImpl implements LevelService {
         var insert = mongoTemplate.insert(level);
         return insert.getId() != null;
     }
+
+    @Override
+    public boolean delete(String id) {
+        Level level = new Level();
+        level.setId(id);
+        DeleteResult deleteRequest = mongoTemplate.remove(level);
+        return deleteRequest.getDeletedCount() > 0;
+    }
+
+    @Override
+    public boolean update(Level level) {
+        var save = mongoTemplate.save(level);
+        return save.getId() != null;
+    }
 }