diff --git a/request_sender_test.py b/request_sender_test.py
index 2fe77a2..efb2f75 100644
--- a/request_sender_test.py
+++ b/request_sender_test.py
@@ -1,5 +1,6 @@
 import datetime
 import logging
+import random
 import sys
 from threading import Thread
 
@@ -92,6 +93,7 @@ def send_request_for_file_list(file_list: list[str], thread_number: int = 20, da
     for _file_path in file_list:
         logger.info("send request for file: " + _file_path)
         _contact_list = read_contacts(_file_path)
+        random.shuffle(_contact_list)
         start_send_requests(thread_number=thread_number, contact_list=_contact_list,
                             data_queue_name=data_queue_name)
 
@@ -102,6 +104,6 @@ if __name__ == '__main__':
     #              '~/Desktop/contact_list_2024-05-21.xlsx',
     #              '~/Desktop/15_05_to_test.xlsx']
     # file_list = ['~/Desktop/15_05_to_test.xlsx', '~/Desktop/16_05_to_test.xlsx']
-    file_list = ['~/Desktop/contact_list_2024-06-28.xlsx']
-    send_request_for_file_list(file_list=file_list, thread_number=10,
+    file_list = ['~/Desktop/contact_list_2024-07-25.xlsx']
+    send_request_for_file_list(file_list=file_list, thread_number=100,
                                data_queue_name=MORNING_DATA_CACHE)