diff --git a/src/main.cpp b/src/main.cpp
index a1a020e..c1f0ebc 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -34,14 +34,13 @@ void setup() {
   init_i2c_slave();
 
   rangingSerial.begin(RANGING_BAUDRATE); // 激光雷达
-  gpsSerial.begin(GPS_BAUDRATE); //RX引脚、TX引脚
+  gpsSerial.begin(GPS_BAUDRATE); //GPS
   printSerial.begin(PRINT_BAUDRATE); // 调试输出串口（RX, TX）
   
   power_init();
-  // pinMode(PD14, OUTPUT);
-  // pinMode(PD15, OUTPUT);
-  digitalWrite(RANGING_POWER_PIN, HIGH);
-  digitalWrite(GPS_POWER_PIN, HIGH);
+
+  // digitalWrite(RANGING_POWER_PIN, HIGH);
+  // digitalWrite(GPS_POWER_PIN, HIGH);
 
   printSerial.println("Initialized...");
 }