diff --git a/internal/tcp/sensor.go b/internal/tcp/sensor.go
index a2d10ca..2a9926c 100644
--- a/internal/tcp/sensor.go
+++ b/internal/tcp/sensor.go
@@ -221,29 +221,29 @@ func (s *SensorComm) handleData(data []byte) *model.SensorData {
 	}
 
 	// 解析数据，从第4个字节开始是数据部分
-	// 根据原始TCP服务器代码中的单位转换
-	windSpeed := int(binary.BigEndian.Uint16(data[3:5])) // 风速值*100
 	sensorData := &model.SensorData{
 		Timestamp:        time.Now(),
-		WindSpeed:        windSpeed, // 原始值已经是*100的
-		WindForce:        int(binary.BigEndian.Uint16(data[5:7])),
-		WindDirection8:   int(binary.BigEndian.Uint16(data[7:9])),
-		WindDirection360: int(binary.BigEndian.Uint16(data[9:11])),
+		WindSpeed:        int(binary.BigEndian.Uint16(data[3:5])),   // 风速值*100
+		WindForce:        int(binary.BigEndian.Uint16(data[5:7])),   // 风力
+		WindDirection8:   int(binary.BigEndian.Uint16(data[7:9])),   // 8方位风向
+		WindDirection360: int(binary.BigEndian.Uint16(data[9:11])),  // 360度风向
 		Humidity:         int(binary.BigEndian.Uint16(data[11:13])), // 湿度*10
 		Temperature:      int(binary.BigEndian.Uint16(data[13:15])), // 温度*10
 		AtmPressure:      int(binary.BigEndian.Uint16(data[21:23])), // 大气压*10
-		SolarRadiation:   int(binary.BigEndian.Uint16(data[33:35])), // 太阳辐射原始值
+		SolarRadiation:   int(binary.BigEndian.Uint16(data[33:35])), // 太阳辐射
+		Rainfall:         int(binary.BigEndian.Uint16(data[15:17])), // 光学雨量*10
 	}
 
 	// 记录解析后的传感器数据，展示实际物理量
-	logger.Logger.Printf("传感器数据: 风速=%.2f m/s, 风力=%d级, 风向=%d°, 湿度=%.1f%%, 温度=%.1f℃, 大气压=%.1f kPa, 太阳辐射=%d W/m²",
+	logger.Logger.Printf("传感器数据: 风速=%.2f m/s, 风力=%d级, 风向=%d°, 湿度=%.1f%%, 温度=%.1f℃, 大气压=%.1f kPa, 太阳辐射=%d W/m², 光学雨量=%.1f mm",
 		float64(sensorData.WindSpeed)/100.0,
 		sensorData.WindForce,
 		sensorData.WindDirection360,
 		float64(sensorData.Humidity)/10.0,
 		float64(sensorData.Temperature)/10.0,
 		float64(sensorData.AtmPressure)/10.0,
-		sensorData.SolarRadiation)
+		sensorData.SolarRadiation,
+		float64(sensorData.Rainfall)/10.0)
 
 	// 保存数据到数据库
 	if err := s.dao.Insert(sensorData); err != nil {