diff --git a/robot.py b/robot.py
index c8ff74e..ffa94e8 100644
--- a/robot.py
+++ b/robot.py
@@ -683,9 +683,17 @@ class Robot(Job):
             receivers = self.gbm.get_group_list()
             if not receivers:
                 return
-            for r in receivers:
-                if self.gbm.get_group_permission(r, Feature.DAILY_SUMMARY) == PermissionStatus.ENABLED:
-                    output = self.message_storage.generate_and_send_ranking(r, self.allContacts)
-                    asyncio.run(self.ipad_bot.send_text_message(r, output))
+
+            async def send_all():
+                tasks = []
+                for r in receivers:
+                    if self.gbm.get_group_permission(r, Feature.DAILY_SUMMARY) == PermissionStatus.ENABLED:
+                        output = self.message_storage.generate_and_send_ranking(r, self.allContacts)
+                        tasks.append(self.ipad_bot.send_text_message(r, output))
+                await asyncio.gather(*tasks)
+
+            asyncio.run(send_all())
+
         except Exception as e:
             self.LOG.error(f"SendRanking error：{e}")
+