diff --git a/contact.xlsx b/contact.xlsx
index e63e48f..8f29640 100644
Binary files a/contact.xlsx and b/contact.xlsx differ
diff --git a/main.py b/main.py
index bcea0b3..a226494 100644
--- a/main.py
+++ b/main.py
@@ -66,7 +66,7 @@ def create_modem_for_port(port: str) -> SerialModem:
     # Uncomment the following line to see what the modem is doing:
     init_logger()
     modem = GsmModem(port)
-    modem.connect('0000')
+    modem.connect()
     number = modem.ownNumber
     logger.info("The SIM card phone number is:")
     logger.info(number)
@@ -178,7 +178,7 @@ def read_all_the_phone_number():
 
 def start_book():
     slot_number = 1
-    slot_sum = 32
+    slot_sum = 2
     for i in range(slot_number, slot_sum + 1):
         card_pool.reset()
         print("will switch to " + str(i))
diff --git a/params.py b/params.py
index 7b477e9..f9f52f9 100644
--- a/params.py
+++ b/params.py
@@ -1,24 +1,24 @@
 from db.DbManager import DataManager
 
 MODEM_POOL_PORTS = [
-    "/dev/tty.usbmodem11101",
-    "/dev/tty.usbmodem11103",
-    "/dev/tty.usbmodem11105",
-    "/dev/tty.usbmodem11107",
-    "/dev/tty.usbmodem11201",
-    "/dev/tty.usbmodem11203",
-    "/dev/tty.usbmodem11205",
-    "/dev/tty.usbmodem11207",
-    "/dev/tty.usbmodem11301",
-    ## "/dev/tty.usbmodem11303",
-    "/dev/tty.usbmodem11305",
-    "/dev/tty.usbmodem11307",
-    "/dev/tty.usbmodem11401",
-    "/dev/tty.usbmodem11403",
-    "/dev/tty.usbmodem11405",
-    "/dev/tty.usbmodem11407"
+    "/dev/tty.usbmodem111101",
+    "/dev/tty.usbmodem111103",
+    "/dev/tty.usbmodem111105",
+    "/dev/tty.usbmodem111107",
+    "/dev/tty.usbmodem111201",
+    "/dev/tty.usbmodem111203",
+    "/dev/tty.usbmodem111205",
+    "/dev/tty.usbmodem111207",
+    "/dev/tty.usbmodem111301",
+    ## "/dev/tty.usbmodem111303",
+    "/dev/tty.usbmodem111305",
+    "/dev/tty.usbmodem111307",
+    "/dev/tty.usbmodem111401",
+    "/dev/tty.usbmodem111403",
+    "/dev/tty.usbmodem111405",
+    "/dev/tty.usbmodem111407"
 ]
-CARD_POOL_PORT = "/dev/tty.usbmodem12101"
+CARD_POOL_PORT = "/dev/tty.usbmodem112101"
 
 firebase_store_manager = DataManager()