diff --git a/APP_Framework/Applications/sensor_app/altitude_bmp180.c b/APP_Framework/Applications/sensor_app/altitude_bmp180.c
index 36fc811b0..a9ea40ca6 100644
--- a/APP_Framework/Applications/sensor_app/altitude_bmp180.c
+++ b/APP_Framework/Applications/sensor_app/altitude_bmp180.c
@@ -30,7 +30,7 @@ void AltitudeBmp180(void)
     int32 altitude;
     struct SensorQuantity *p_altitude = SensorQuantityFind(SENSOR_QUANTITY_BMP180_ALTITUDE, SENSOR_QUANTITY_ALTITUDE);
     SensorQuantityOpen(p_altitude);
-    altitude = SensorQuantityRead(p_altitude);
+    altitude = SensorQuantityReadValue(p_altitude);
 
     printf("Altitude Pressure : %d Pa\n", altitude);
 
diff --git a/APP_Framework/Applications/sensor_app/ch4_as830.c b/APP_Framework/Applications/sensor_app/ch4_as830.c
index b5b5e215e..cd16ebe5a 100644
--- a/APP_Framework/Applications/sensor_app/ch4_as830.c
+++ b/APP_Framework/Applications/sensor_app/ch4_as830.c
@@ -31,6 +31,6 @@ void Ch4As830(void)
 {
     struct SensorQuantity *ch4 = SensorQuantityFind(SENSOR_QUANTITY_AS830_CH4, SENSOR_QUANTITY_CH4);
     SensorQuantityOpen(ch4);
-    printf("CH4 : %d %%LTL\n", SensorQuantityRead(ch4));
+    printf("CH4 : %d %%LTL\n", SensorQuantityReadValue(ch4));
     SensorQuantityClose(ch4);
 }
\ No newline at end of file
diff --git a/APP_Framework/Applications/sensor_app/co2_g8s.c b/APP_Framework/Applications/sensor_app/co2_g8s.c
index d19a25ab2..d62f4c0f5 100644
--- a/APP_Framework/Applications/sensor_app/co2_g8s.c
+++ b/APP_Framework/Applications/sensor_app/co2_g8s.c
@@ -31,6 +31,6 @@ void Co2G8s(void)
 {
     struct SensorQuantity *co2 = SensorQuantityFind(SENSOR_QUANTITY_G8S_CO2, SENSOR_QUANTITY_CO2);
     SensorQuantityOpen(co2);
-    printf("CO2 : %d ppm\n", SensorQuantityRead(co2));
+    printf("CO2 : %d ppm\n", SensorQuantityReadValue(co2));
     SensorQuantityClose(co2);
 }
\ No newline at end of file
diff --git a/APP_Framework/Applications/sensor_app/co2_zg09.c b/APP_Framework/Applications/sensor_app/co2_zg09.c
index 74e11d2b4..0b08cadd1 100644
--- a/APP_Framework/Applications/sensor_app/co2_zg09.c
+++ b/APP_Framework/Applications/sensor_app/co2_zg09.c
@@ -31,6 +31,6 @@ void Co2Zg09(void)
 {
     struct SensorQuantity *co2 = SensorQuantityFind(SENSOR_QUANTITY_ZG09_CO2, SENSOR_QUANTITY_CO2);
     SensorQuantityOpen(co2);
-    printf("CO2 : %d ppm\n", SensorQuantityRead(co2));
+    printf("CO2 : %d ppm\n", SensorQuantityReadValue(co2));
     SensorQuantityClose(co2);
 }
\ No newline at end of file
diff --git a/APP_Framework/Applications/sensor_app/hcho_tb600b_wq_hcho1os.c b/APP_Framework/Applications/sensor_app/hcho_tb600b_wq_hcho1os.c
index e0988ecac..3f4522b69 100644
--- a/APP_Framework/Applications/sensor_app/hcho_tb600b_wq_hcho1os.c
+++ b/APP_Framework/Applications/sensor_app/hcho_tb600b_wq_hcho1os.c
@@ -34,7 +34,7 @@ void HchoTb600bHcho1os(void)
     SensorQuantityOpen(hcho);
     int32_t result = 0;
 
-    result = SensorQuantityRead(hcho);
+    result = SensorQuantityReadValue(hcho);
 
     printf("tvoc concentration is : %dppb\n", result);
     SensorQuantityClose(hcho);
diff --git a/APP_Framework/Applications/sensor_app/humidity_hs300x.c b/APP_Framework/Applications/sensor_app/humidity_hs300x.c
index d582e393f..01e7bbd6e 100644
--- a/APP_Framework/Applications/sensor_app/humidity_hs300x.c
+++ b/APP_Framework/Applications/sensor_app/humidity_hs300x.c
@@ -35,7 +35,7 @@ void HumiHs300x(void)
     struct SensorQuantity *humi = SensorQuantityFind(SENSOR_QUANTITY_HS300X_HUMIDITY, SENSOR_QUANTITY_HUMI);
     SensorQuantityOpen(humi);
     for (i = 0; i < 100; i ++) {
-        humidity = SensorQuantityRead(humi);
+        humidity = SensorQuantityReadValue(humi);
         printf("Humidity : %d.%d %%RH\n", humidity/10, humidity%10);
         PrivTaskDelay(5000);
     }
diff --git a/APP_Framework/Applications/sensor_app/iaq_tb600b_iaq10.c b/APP_Framework/Applications/sensor_app/iaq_tb600b_iaq10.c
index 9f4a1dc43..09545d34b 100644
--- a/APP_Framework/Applications/sensor_app/iaq_tb600b_iaq10.c
+++ b/APP_Framework/Applications/sensor_app/iaq_tb600b_iaq10.c
@@ -40,7 +40,7 @@ void IaqTb600bIaq10(void)
     SensorQuantityOpen(iaq);
     int32_t result = 0;
 
-    result = SensorQuantityRead(iaq);
+    result = SensorQuantityReadValue(iaq);
 
     printf("Gas concentration is : %dppb\n", result);
     SensorQuantityClose(iaq);
diff --git a/APP_Framework/Applications/sensor_app/pm10_0_ps5308.c b/APP_Framework/Applications/sensor_app/pm10_0_ps5308.c
index 5d6408808..a7f173b28 100644
--- a/APP_Framework/Applications/sensor_app/pm10_0_ps5308.c
+++ b/APP_Framework/Applications/sensor_app/pm10_0_ps5308.c
@@ -33,6 +33,6 @@ void Pm100Ps5308(void)
     struct SensorQuantity *pm10_0 = SensorQuantityFind(SENSOR_QUANTITY_PS5308_PM10, SENSOR_QUANTITY_PM);
     SensorQuantityOpen(pm10_0);
     PrivTaskDelay(2000);
-    printf("PM10 : %d ug/m³\n", SensorQuantityRead(pm10_0));
+    printf("PM10 : %d ug/m³\n", SensorQuantityReadValue(pm10_0));
     SensorQuantityClose(pm10_0);
 }
\ No newline at end of file
diff --git a/APP_Framework/Applications/sensor_app/pm1_0_ps5308.c b/APP_Framework/Applications/sensor_app/pm1_0_ps5308.c
index e0c80680e..dc9448bc8 100644
--- a/APP_Framework/Applications/sensor_app/pm1_0_ps5308.c
+++ b/APP_Framework/Applications/sensor_app/pm1_0_ps5308.c
@@ -33,6 +33,6 @@ void Pm10Ps5308(void)
     struct SensorQuantity *pm1_0 = SensorQuantityFind(SENSOR_QUANTITY_PS5308_PM1_0, SENSOR_QUANTITY_PM);
     SensorQuantityOpen(pm1_0);
     PrivTaskDelay(2000);
-    printf("PM1.0 : %d ug/m³\n", SensorQuantityRead(pm1_0));
+    printf("PM1.0 : %d ug/m³\n", SensorQuantityReadValue(pm1_0));
     SensorQuantityClose(pm1_0);
 }
\ No newline at end of file
diff --git a/APP_Framework/Applications/sensor_app/pm2_5_ps5308.c b/APP_Framework/Applications/sensor_app/pm2_5_ps5308.c
index 23aaca509..672826be2 100644
--- a/APP_Framework/Applications/sensor_app/pm2_5_ps5308.c
+++ b/APP_Framework/Applications/sensor_app/pm2_5_ps5308.c
@@ -33,6 +33,6 @@ void Pm25Ps5308(void)
     struct SensorQuantity *pm2_5 = SensorQuantityFind(SENSOR_QUANTITY_PS5308_PM2_5, SENSOR_QUANTITY_PM);
     SensorQuantityOpen(pm2_5);
     PrivTaskDelay(2000);
-    printf("PM2.5 : %d ug/m³\n", SensorQuantityRead(pm2_5));
+    printf("PM2.5 : %d ug/m³\n", SensorQuantityReadValue(pm2_5));
     SensorQuantityClose(pm2_5);
 }
\ No newline at end of file
diff --git a/APP_Framework/Applications/sensor_app/temperature_hs300x.c b/APP_Framework/Applications/sensor_app/temperature_hs300x.c
index f6e461405..83f8594b1 100644
--- a/APP_Framework/Applications/sensor_app/temperature_hs300x.c
+++ b/APP_Framework/Applications/sensor_app/temperature_hs300x.c
@@ -35,7 +35,7 @@ void TempHs300x(void)
     struct SensorQuantity *temp = SensorQuantityFind(SENSOR_QUANTITY_HS300X_TEMPERATURE, SENSOR_QUANTITY_TEMP);
     SensorQuantityOpen(temp);
     for (i = 0; i < 100; i ++) {
-        temperature = SensorQuantityRead(temp);
+        temperature = SensorQuantityReadValue(temp);
         if (temperature > 0)
             printf("Temperature : %d.%d ℃\n", temperature/10, temperature%10);
         else
diff --git a/APP_Framework/Applications/sensor_app/tvoc_tb600b_tvoc10.c b/APP_Framework/Applications/sensor_app/tvoc_tb600b_tvoc10.c
index 81cb965c2..c3fe7d7f6 100644
--- a/APP_Framework/Applications/sensor_app/tvoc_tb600b_tvoc10.c
+++ b/APP_Framework/Applications/sensor_app/tvoc_tb600b_tvoc10.c
@@ -34,7 +34,7 @@ void TvocTb600bTvoc10(void)
     SensorQuantityOpen(tvoc);
     int32_t result = 0;
 
-    result = SensorQuantityRead(tvoc);
+    result = SensorQuantityReadValue(tvoc);
 
     printf("tvoc concentration is : %dppb\n", result);
     SensorQuantityClose(tvoc);
diff --git a/APP_Framework/Applications/sensor_app/voice_d124.c b/APP_Framework/Applications/sensor_app/voice_d124.c
index b86bf2360..033e6dfcf 100644
--- a/APP_Framework/Applications/sensor_app/voice_d124.c
+++ b/APP_Framework/Applications/sensor_app/voice_d124.c
@@ -30,7 +30,7 @@ void VoiceD124(void)
     struct SensorQuantity *voice = SensorQuantityFind(SENSOR_QUANTITY_D124_VOICE, SENSOR_QUANTITY_VOICE);
     SensorQuantityOpen(voice);
     PrivTaskDelay(2000);
-    uint16 result = SensorQuantityRead(voice);
+    uint16 result = SensorQuantityReadValue(voice);
     printf("voice : %d.%d dB\n", result/(10*voice->value.decimal_places), result%(10*voice->value.decimal_places));
     SensorQuantityClose(voice);
 }
\ No newline at end of file
diff --git a/APP_Framework/Applications/sensor_app/winddirection_qs_fx.c b/APP_Framework/Applications/sensor_app/winddirection_qs_fx.c
index d5032718b..bef5b54c3 100644
--- a/APP_Framework/Applications/sensor_app/winddirection_qs_fx.c
+++ b/APP_Framework/Applications/sensor_app/winddirection_qs_fx.c
@@ -30,7 +30,7 @@ void WindDirectionQsFx(void)
     struct SensorQuantity *wind_direction = SensorQuantityFind(SENSOR_QUANTITY_QS_FX_WINDDIRECTION, SENSOR_QUANTITY_WINDDIRECTION);
     SensorQuantityOpen(wind_direction);
     PrivTaskDelay(2000);
-    uint16 result = SensorQuantityRead(wind_direction);
+    uint16 result = SensorQuantityReadValue(wind_direction);
     printf("wind direction : %d degree\n", result);
     SensorQuantityClose(wind_direction);
 }
diff --git a/APP_Framework/Applications/sensor_app/windspeed_qs_fs.c b/APP_Framework/Applications/sensor_app/windspeed_qs_fs.c
index 72b91db6e..e3d3b959b 100644
--- a/APP_Framework/Applications/sensor_app/windspeed_qs_fs.c
+++ b/APP_Framework/Applications/sensor_app/windspeed_qs_fs.c
@@ -30,7 +30,7 @@ void WindSpeedQsFs(void)
     struct SensorQuantity *wind_speed = SensorQuantityFind(SENSOR_QUANTITY_QS_FS_WINDSPEED, SENSOR_QUANTITY_WINDSPEED);
     SensorQuantityOpen(wind_speed);
     PrivTaskDelay(2000);
-    uint16 result = SensorQuantityRead(wind_speed);
+    uint16 result = SensorQuantityReadValue(wind_speed);
     printf("wind speed : %d.%d m/s\n", result/10, result%10);
     SensorQuantityClose(wind_speed);
 }
diff --git a/APP_Framework/Framework/sensor/sensor.c b/APP_Framework/Framework/sensor/sensor.c
index 372acb74d..225b2014c 100644
--- a/APP_Framework/Framework/sensor/sensor.c
+++ b/APP_Framework/Framework/sensor/sensor.c
@@ -314,7 +314,7 @@ int SensorQuantityClose(struct SensorQuantity *quant)
  * @param quant - sensor quantity pointer
  * @return quantity value
  */
-int SensorQuantityRead(struct SensorQuantity *quant)
+int SensorQuantityReadValue(struct SensorQuantity *quant)
 {
     if (!quant)
         return -1;
@@ -332,6 +332,29 @@ int SensorQuantityRead(struct SensorQuantity *quant)
     return result;
 }
 
+/**
+ * @description: Read quantity decimal point
+ * @param quant - sensor quantity pointer
+ * @return decimal point num, 0: 0 1: 0.1 2: 0.01 3: 0.001
+ */
+int SensorQuantityReadDecimalPoint(struct SensorQuantity *quant)
+{
+    if (!quant)
+        return -1;
+
+    int decimal_point = 0;
+    struct SensorDevice *sdev = quant->sdev;
+
+    if (!sdev)
+        return -1;
+
+    if (quant->ReadValue != NULL) {
+        decimal_point = quant->ReadDecimalPoint(quant);
+    }
+
+    return decimal_point;
+}
+
 /**
  * @description: Configure quantity mode
  * @param quant - sensor quantity pointer
diff --git a/APP_Framework/Framework/sensor/sensor.h b/APP_Framework/Framework/sensor/sensor.h
index 4ec9b6480..6287dd0e9 100644
--- a/APP_Framework/Framework/sensor/sensor.h
+++ b/APP_Framework/Framework/sensor/sensor.h
@@ -44,20 +44,29 @@ extern "C" {
 #endif
 
 /* Sensor ability */
-#define SENSOR_ABILITY_CO2      ((uint32_t)(1 << SENSOR_QUANTITY_CO2))
-#define SENSOR_ABILITY_TEMP     ((uint32_t)(1 << SENSOR_QUANTITY_TEMP))
-#define SENSOR_ABILITY_HUMI     ((uint32_t)(1 << SENSOR_QUANTITY_HUMI))
-#define SENSOR_ABILITY_HCHO     ((uint32_t)(1 << SENSOR_QUANTITY_HCHO))
-#define SENSOR_ABILITY_CO       ((uint32_t)(1 << SENSOR_QUANTITY_CO))
-#define SENSOR_ABILITY_PM       ((uint32_t)(1 << SENSOR_QUANTITY_PM))
-#define SENSOR_ABILITY_VOICE    ((uint32_t)(1 << SENSOR_QUANTITY_VOICE))
-#define SENSOR_ABILITY_CH4      ((uint32_t)(1 << SENSOR_QUANTITY_CH4))
-#define SENSOR_ABILITY_IAQ      ((uint32_t)(1 << SENSOR_QUANTITY_IAQ))
-#define SENSOR_ABILITY_TVOC     ((uint32_t)(1 << SENSOR_QUANTITY_TVOC))
-#define SENSOR_ABILITY_HCHO     ((uint32_t)(1 << SENSOR_QUANTITY_HCHO))
+#define SENSOR_ABILITY_CO2              ((uint32_t)(1 << SENSOR_QUANTITY_CO2))
+#define SENSOR_ABILITY_TEMP             ((uint32_t)(1 << SENSOR_QUANTITY_TEMP))
+#define SENSOR_ABILITY_HUMI             ((uint32_t)(1 << SENSOR_QUANTITY_HUMI))
+#define SENSOR_ABILITY_HCHO             ((uint32_t)(1 << SENSOR_QUANTITY_HCHO))
+#define SENSOR_ABILITY_CO               ((uint32_t)(1 << SENSOR_QUANTITY_CO))
+#define SENSOR_ABILITY_PM               ((uint32_t)(1 << SENSOR_QUANTITY_PM))
+#define SENSOR_ABILITY_VOICE            ((uint32_t)(1 << SENSOR_QUANTITY_VOICE))
+#define SENSOR_ABILITY_CH4              ((uint32_t)(1 << SENSOR_QUANTITY_CH4))
+#define SENSOR_ABILITY_IAQ              ((uint32_t)(1 << SENSOR_QUANTITY_IAQ))
+#define SENSOR_ABILITY_TVOC             ((uint32_t)(1 << SENSOR_QUANTITY_TVOC))
+#define SENSOR_ABILITY_HCHO             ((uint32_t)(1 << SENSOR_QUANTITY_HCHO))
 #define SENSOR_ABILITY_WINDSPEED        ((uint32_t)(1 << SENSOR_QUANTITY_WINDSPEED))
 #define SENSOR_ABILITY_WINDDIRECTION    ((uint32_t)(1 << SENSOR_QUANTITY_WINDDIRECTION))
-#define SENSOR_ABILITY_ALTITUDE ((uint32_t)(1 << SENSOR_QUANTITY_ALTITUDE))
+#define SENSOR_ABILITY_ALTITUDE         ((uint32_t)(1 << SENSOR_QUANTITY_ALTITUDE))
+#define SENSOR_ABILITY_O3               ((uint32_t)(1 << SENSOR_QUANTITY_O3))
+#define SENSOR_ABILITY_O2               ((uint32_t)(1 << SENSOR_QUANTITY_O2))
+#define SENSOR_ABILITY_NO2              ((uint32_t)(1 << SENSOR_QUANTITY_NO2))
+#define SENSOR_ABILITY_SO2              ((uint32_t)(1 << SENSOR_QUANTITY_SO2))
+#define SENSOR_ABILITY_NH3              ((uint32_t)(1 << SENSOR_QUANTITY_NH3))
+#define SENSOR_ABILITY_CH20             ((uint32_t)(1 << SENSOR_QUANTITY_CH20))
+#define SENSOR_ABILITY_C2H5OH           ((uint32_t)(1 << SENSOR_QUANTITY_C2H5OH))
+#define SENSOR_ABILITY_AQS              ((uint32_t)(1 << SENSOR_QUANTITY_AQS))
+#define SENSOR_ABILITY_PM1              ((uint32_t)(1 << SENSOR_QUANTITY_PM1))
 
 struct SensorProductInfo {
     uint32_t ability;           /* Bitwise OR of sensor ability */
@@ -76,16 +85,17 @@ struct SensorDone {
 };
 
 struct SensorDevice {
-    char *name;                             /* Name of sensor */
-    struct SensorProductInfo *info;         /* Sensor model info */
+    char *name;                               /* Name of sensor */
+    struct SensorProductInfo *info;           /* Sensor model info */
     struct SensorDone *done;
-    int fd;                                 /* File descriptor */
-    int status;                             /* Sensor work mode */
+    int fd;                                   /* File descriptor */
+    int status;                               /* Sensor work mode */
     uint8_t buffer[SENSOR_RECEIVE_BUFFSIZE];  /* Buffer for read data */
 
-    int ref_cnt;                            /* Reference count */
-    DoublelistType quant_list;          /* Sensor quantity link */
-    struct DoublelistNode link;      /* Sensors link node */
+    int ref_cnt;                              /* Reference count */
+    DoublelistType quant_list;                /* Sensor quantity link */
+    struct DoublelistNode link;               /* Sensors link node */
+    void *private_data;                       /* user define private data */
 };
 
 enum SensorQuantityType {
@@ -102,7 +112,17 @@ enum SensorQuantityType {
     SENSOR_QUANTITY_WINDSPEED,
     SENSOR_QUANTITY_WINDDIRECTION,
     SENSOR_QUANTITY_ALTITUDE,
+    SENSOR_QUANTITY_O3,
+    SENSOR_QUANTITY_O2,
+    SENSOR_QUANTITY_NO2,
+    SENSOR_QUANTITY_SO2,
+    SENSOR_QUANTITY_NH3,
+    SENSOR_QUANTITY_CH20,
+    SENSOR_QUANTITY_C2H5OH,
+    SENSOR_QUANTITY_AQS,
+    SENSOR_QUANTITY_PM1,
     /* ...... */
+    SENSIR_QUANTITY_INTEGRATION,
     SENSOR_QUANTITY_END,
 };
 
@@ -122,6 +142,7 @@ struct SensorQuantity {
     struct SensorDevice *sdev;
 
     int32_t (*ReadValue)(struct SensorQuantity *quant);
+    int32_t (*ReadDecimalPoint)(struct SensorQuantity *quant);
 
     struct DoublelistNode quant_link;
     struct DoublelistNode link;
@@ -135,7 +156,8 @@ int SensorQuantityRegister(struct SensorQuantity *quant);
 int SensorQuantityUnregister(struct SensorQuantity *quant);
 int SensorQuantityOpen(struct SensorQuantity *quant);
 int SensorQuantityClose(struct SensorQuantity *quant);
-int SensorQuantityRead(struct SensorQuantity *quant);
+int SensorQuantityReadValue(struct SensorQuantity *quant);
+int SensorQuantityReadDecimalPoint(struct SensorQuantity *quant);
 int SensorQuantityControl(struct SensorQuantity *quant, int cmd);
 
 uint32_t Crc16(uint8_t * data, uint8_t length);