diff --git a/backend/src/main/java/com/kob/backend/service/impl/user/bot/UpdateServiceImpl.java b/backend/src/main/java/com/kob/backend/service/impl/user/bot/UpdateServiceImpl.java
index 3a87148..931098d 100644
--- a/backend/src/main/java/com/kob/backend/service/impl/user/bot/UpdateServiceImpl.java
+++ b/backend/src/main/java/com/kob/backend/service/impl/user/bot/UpdateServiceImpl.java
@@ -19,6 +19,7 @@ public class UpdateServiceImpl implements UpdateService {
 
     @Autowired
     private BotMapper botMapper;
+
     @Override
     public Map<String, String> update(Map<String, String> data) {
 //        先获取当前用户,用于判断更新对象是否有权限
@@ -62,13 +63,18 @@ public class UpdateServiceImpl implements UpdateService {
 
         Bot bot = botMapper.selectById(bot_id);
 
-        if(bot == null){
-            map.put("error_message","所查 bot 不存在或已被删除");
+        if (bot == null) {
+            map.put("error_message", "所查 bot 不存在或已被删除");
             return map;
         }
 
-        if(!bot.getUserId().equals(user.getId())){
-            map.put("error_message","你无权更改别人的 bot");
+        if (!bot.getUserId().equals(user.getId())) {
+            map.put("error_message", "你无权更改别人的 bot");
+            return map;
+        }
+
+        if (bot.getTitle().equals(title) && bot.getDescription().equals(description) && bot.getContent().equals(content)) {
+            map.put("error_message", "未作出修改");
             return map;
         }
 
@@ -76,10 +82,10 @@ public class UpdateServiceImpl implements UpdateService {
         Date createTime = bot.getCreatetime();
         int rating = bot.getRating();
 
-        Bot newBot = new Bot(bot.getId(),user.getId(),title,description,content,rating,createTime,now);
+        Bot newBot = new Bot(bot.getId(), user.getId(), title, description, content, rating, createTime, now);
 
         botMapper.updateById(newBot);
-        map.put("error_message","success");
+        map.put("error_message", "success");
         return map;
     }
 }