diff --git a/main/main.c b/main/main.c
index b19ccb9..917b49a 100644
--- a/main/main.c
+++ b/main/main.c
@@ -22,7 +22,7 @@ int length = 0;
 
 void motor_drive_hex_to_str(char *hex, int hex_len, char *str);
 
-void ble_uart_init(uart_port_t uart_num, int tx_io_num, int rx_io_num)
+void pc_uart_init(uart_port_t uart_num, int tx_io_num, int rx_io_num)
 {
     uart_config_t uart_config = {
         .baud_rate = 115200,
@@ -39,7 +39,7 @@ void ble_uart_init(uart_port_t uart_num, int tx_io_num, int rx_io_num)
     ESP_ERROR_CHECK(uart_set_pin(uart_num, tx_io_num, rx_io_num, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE));
 }
 
-void ble_receive(uart_port_t uart_num)
+void pc_uart_receive(uart_port_t uart_num)
 {
     ESP_ERROR_CHECK(uart_get_buffered_data_len(uart_num, (size_t *)&length));
     if (length != 0)
@@ -56,12 +56,12 @@ void app_main(void)
     key_init();
     key_ble_send_cmd_reg(ble_key_cb);
 
-    ble_uart_init(UART_NUM_2, 18, 23);
+    pc_uart_init(UART_NUM_2, 18, 23);
 
     while (true)
     {
         key_schedule();
-        ble_receive(UART_NUM_2);
+        pc_uart_receive(UART_NUM_2);
     }
 }