diff --git a/main.py b/main.py
index 2f6acbc..ae388e5 100644
--- a/main.py
+++ b/main.py
@@ -67,6 +67,7 @@ def create_modem_for_port(port: str) -> SerialModem:
     # Uncomment the following line to see what the modem is doing:
     init_logger()
     modem = GsmModem(port)
+    time.sleep(1)
     modem.connect()
     number = modem.ownNumber
     logger.info("The SIM card phone number is:")
@@ -179,8 +180,8 @@ def read_all_the_phone_number():
 
 
 def start_book():
-    slot_number = 1
-    slot_sum = 2
+    slot_number = 5
+    slot_sum = 6
     for i in range(slot_number, slot_sum + 1):
         card_pool.reset()
         print("will switch to " + str(i))
@@ -199,6 +200,6 @@ if __name__ == '__main__':
     init_logger()
     logger = logging.getLogger()
     logger.addHandler(logging.StreamHandler(stream=sys.stdout))
-    read_all_the_phone_number()
-    # start_listen()
-    # start_book()
+    # read_all_the_phone_number()
+    start_listen()
+    start_book()