diff --git a/src/bot_commands.py b/src/bot_commands.py
index 60697cc..117b8c9 100644
--- a/src/bot_commands.py
+++ b/src/bot_commands.py
@@ -49,23 +49,30 @@ async def handle_keyword_command(event, command, args):
         keywords = link_filter.keywords
         await event.reply("当前关键词列表：\n" + "\n".join(keywords) if keywords else "关键词列表为空。")
     elif command == '/add' and args:
-        keyword = args[0]
-        normalized_keyword = link_filter.normalize_link(keyword) if link_filter.link_pattern.match(keyword) else keyword.lower()
-        if normalized_keyword not in link_filter.keywords:
-            link_filter.add_keyword(normalized_keyword)
+        keyword = ' '.join(args)  # 使用所有参数，以防关键词中含有空格
+        if keyword not in link_filter.keywords:
+            link_filter.add_keyword(keyword)
             await event.reply(f"关键词 '{keyword}' 已添加。")
         else:
             await event.reply(f"关键词 '{keyword}' 已存在。")
     elif command == '/delete' and args:
-        keyword = args[0]
-        normalized_keyword = link_filter.normalize_link(keyword) if link_filter.link_pattern.match(keyword) else keyword.lower()
-        if link_filter.remove_keyword(normalized_keyword):
+        keyword = ' '.join(args)  # 使用所有参数，以防关键词中含有空格
+        matching_keywords = [k for k in link_filter.keywords if k.lower() == keyword.lower()]
+        if matching_keywords:
+            for k in matching_keywords:
+                link_filter.remove_keyword(k)
             await event.reply(f"关键词 '{keyword}' 已删除。")
         else:
-            await event.reply(f"关键词 '{keyword}' 不存在。")
+            # 如果没有精确匹配，尝试查找部分匹配的关键词
+            similar_keywords = [k for k in link_filter.keywords if keyword.lower() in k.lower()]
+            if similar_keywords:
+                await event.reply(f"未找到精确匹配的关键词 '{keyword}'。\n\n是否要删除以下相似的关键词？\n" + "\n".join(similar_keywords))
+            else:
+                await event.reply(f"关键词 '{keyword}' 不存在。")
     else:
         await event.reply("无效的命令或参数。")
 
+
 async def handle_whitelist_command(event, command, args):
     if command == '/listwhite':
         whitelist = link_filter.whitelist
diff --git a/src/link_filter.py b/src/link_filter.py
index b0cfe1e..88d9283 100644
--- a/src/link_filter.py
+++ b/src/link_filter.py
@@ -71,14 +71,13 @@ class LinkFilter:
             self.save_keywords()
 
     def remove_keyword(self, keyword):
-        if self.link_pattern.match(keyword):
-            keyword = self.normalize_link(keyword)
         if keyword in self.keywords:
             self.keywords.remove(keyword)
             self.save_keywords()
             return True
         return False
 
+
     def should_filter(self, text):
         # 检查是否包含关键词
         if any(keyword.lower() in text.lower() for keyword in self.keywords if not self.link_pattern.match(keyword)):