diff --git a/db/DbManager.py b/db/DbManager.py
index 9a4ade8..b5d2521 100644
--- a/db/DbManager.py
+++ b/db/DbManager.py
@@ -28,7 +28,7 @@ class DataManager:
         cred = credentials.Certificate(definitions.ROOT_DIR + "/appointment.json")
         self._app = firebase_admin.initialize_app(cred)
         self._db = firestore.client()
-        self._contact_list = excel_reader.read_contacts("/contact_bak.xlsx")
+        self._contact_list = excel_reader.read_contacts("/contact_all.xlsx")
 
     def get_all_error_items(self):
         pass
diff --git a/modems/ModemPool.py b/modems/ModemPool.py
index adc3f36..7414fec 100644
--- a/modems/ModemPool.py
+++ b/modems/ModemPool.py
@@ -56,7 +56,7 @@ class ModemPool:
             ccid = ccid_group.group(0)
             operator = check_operator(ccid)
             if operator == Operator.SFR or operator == Operator.CHINA_TELECOM:
-                contacts = self._excel_helper.read_contacts()
+                contacts = self._excel_helper.read_contacts("/contact_all.xlsx")
                 contact = [contact for contact in contacts if
                            contact.ccid.replace("F", "") == ccid.replace("F", "")]
                 if len(contact) > 0: