优化标签去除，解决搜索的grok标签问题

plugins/dify/main.py

@@ -18,7 +18,7 @@ from utils.revoke.message_auto_revoke import MessageAutoRevoke
 from utils.robot_cmd.robot_command import Feature, PermissionStatus, GroupBotManager
 from utils.decorator.points_decorator import plugin_points_cost
 from utils.media_downloader import MediaDownloader
-from utils.string_utils import remove_trailing_content
+from utils.string_utils import remove_trailing_content, remove_grok_render_tags
 from wechat_ipad import WechatAPIClient
 import aiohttp
 
@@ -181,6 +181,7 @@ class DifyPlugin(MessagePluginInterface):
 
             # 去除广告内容
             response = remove_trailing_content(response)
+            response = remove_grok_render_tags(response)
             self.LOG.debug(f"处理后的响应: {response}")
 
             # 发送回复

utils/string_utils.py

@@ -13,3 +13,12 @@ def remove_trailing_content(text, delimiter='---'):
     if index != -1:
         return text[:index].strip()
     return text
+
+import re
+
+def remove_grok_render_tags(text: str) -> str:
+    if not text:
+        return text
+    cleaned = re.sub(r'<\s*grok:[^>]+?>[\s\S]*?<\s*/\s*grok:[^>]+?>', '', text, flags=re.IGNORECASE)
+    cleaned = re.sub(r'<\s*grok:[^>]+?/?>', '', cleaned, flags=re.IGNORECASE)
+    return cleaned