diff --git a/src/main.cpp b/src/main.cpp
index f44e7e5..99c2386 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -132,7 +132,7 @@ void setup(void)
   //sensor.begin();
 
   bh1750_init(bh1750_a, bh1750_b, 19, 18, 21, 20);    //1750初始化。sda, scl
-
+  Serial.println("BH1750 initialized");
   WebServer_Init(ssid, password);
 
 }