fix: 组件监控的消息

apps/ops/notifications.py

@@ -17,13 +17,20 @@ class ServerPerformanceMessage(SystemMessage):
     def __init__(self, msg):
         self._msg = msg
 
-    def get_common_msg(self):
+    def get_html_msg(self) -> dict:
         subject = self._msg[:80]
         return {
             'subject': subject.replace('<br>', '; '),
             'message': self._msg
         }
 
+    def get_text_msg(self) -> dict:
+        subject = self._msg[:80]
+        return {
+            'subject': subject.replace('<br>', '; '),
+            'message': self._msg.replace('<br>', '\n')
+        }
+
     @classmethod
     def post_insert_to_db(cls, subscription: SystemMsgSubscription):
         admins = User.objects.filter(role=User.ROLE.ADMIN)