diff --git a/plugins/point_trade/main.py b/plugins/point_trade/main.py
index 568d98b..088f726 100644
--- a/plugins/point_trade/main.py
+++ b/plugins/point_trade/main.py
@@ -350,6 +350,8 @@ class PointTradePlugin(MessagePluginInterface):
             atuserlist_content_no_commas = atuserlist_content.strip(',')
             atuserlist_content_no_commas = re.sub(r'\s+', '', atuserlist_content_no_commas)
             atuserlist_set = set(atuserlist_content_no_commas.split(','))
+            # 现在set中存在{''}这种，请过滤掉
+            atuserlist_set.discard('')
             self.LOG.info(f"解析到的 @用户列表: {atuserlist_set}")
             return atuserlist_set
         except ET.ParseError as e: