diff --git a/nicsensor.sh b/nicsensor.sh
index 07af049..31b4cc1 100755
--- a/nicsensor.sh
+++ b/nicsensor.sh
@@ -134,7 +134,7 @@ ina3221_ch2_volt="0"
 ina3221_ch0_current="0"
 ina3221_ch1_current="0"
 ina3221_ch2_current="0"
-SCRIPT_VERSION="1.5 Rev1 Intest"
+SCRIPT_VERSION="1.5 Rev2 Intest"
 
 fru_file_name=$option_data2
 fru_write_size=0
@@ -230,6 +230,13 @@ do_i2c_detect(){
     i2cdetect -y $1
 }
 
+# Reset pca9548 channel to 0x00
+# @Param1 i2c bus number
+# @Param2 pca9548 slave address
+reset_pca9548(){
+    i2ctransfer -y $1 w1@$2 0x00
+}
+
 # script self test
 conf_pre_check(){
     # check DEBUG_MODE value
@@ -1231,6 +1238,7 @@ detect_on_5280m7(){
         do_i2c_detect $i2c_bus 0x70 0x01 0 0
         do_i2c_detect $i2c_bus 0x70 0x02 1 1
         do_i2c_detect $i2c_bus 0x70 0x04 2 2
+        reset_pca9548 $i2c_bus 0x70
     else
         i2c_bus=12
         pca9641_slave="0x41"
@@ -1239,6 +1247,7 @@ detect_on_5280m7(){
         do_i2c_detect $i2c_bus 0x72 0x02 1 0
         do_i2c_detect $i2c_bus 0x72 0x04 2 1
         do_i2c_detect $i2c_bus 0x72 0x08 3 2
+        reset_pca9548 $i2c_bus 0x72
 
         i2c_bus=13
         pca9641_slave="0x42"
@@ -1247,6 +1256,7 @@ detect_on_5280m7(){
         do_i2c_detect $i2c_bus 0x72 0x02 1 3
         do_i2c_detect $i2c_bus 0x72 0x04 2 4
         do_i2c_detect $i2c_bus 0x72 0x08 3 5
+        reset_pca9548 $i2c_bus 0x72
     fi
 }
 
@@ -1266,6 +1276,7 @@ detect_on_5468m7(){
     do_i2c_detect $i2c_bus 0x70 0x04 2 2
     do_i2c_detect $i2c_bus 0x70 0x08 3 3
     do_i2c_detect $i2c_bus 0x70 0x10 4 4
+    reset_pca9548 $i2c_bus 0x70
 
     i2c_bus=14
     pca9641_slave="0x42"
@@ -1277,6 +1288,7 @@ detect_on_5468m7(){
     do_i2c_detect $i2c_bus 0x71 0x08 3 8
     do_i2c_detect $i2c_bus 0x71 0x10 4 9
     do_i2c_detect $i2c_bus 0x71 0x20 5 10
+    reset_pca9548 $i2c_bus 0x71
 }
 
 detect_on_donghu(){
@@ -1295,6 +1307,7 @@ detect_on_donghu(){
     do_i2c_detect $i2c_bus 0x70 0x04 2 5
     do_i2c_detect $i2c_bus 0x70 0x02 1 6
     do_i2c_detect $i2c_bus 0x70 0x01 0 7
+    reset_pca9548 $i2c_bus 0x70
 }
 
 detect_on_yichun(){
@@ -1306,12 +1319,15 @@ detect_on_yichun(){
 
     i2c_bus=12
     do_i2c_detect $i2c_bus 0x74 0x02 2 0
+    reset_pca9548 $i2c_bus 0x74
 
     i2c_bus=13
     do_i2c_detect $i2c_bus 0x74 0x02 2 1
+    reset_pca9548 $i2c_bus 0x74
 
     i2c_bus=14
     do_i2c_detect $i2c_bus 0x74 0x02 2 2
+    reset_pca9548 $i2c_bus 0x74
 }
 
 detect_on_qiandaohu(){
@@ -1330,12 +1346,14 @@ detect_on_qiandaohu(){
     do_i2c_detect $i2c_bus 0x70 0x40 6 5
     do_i2c_detect $i2c_bus 0x70 0x10 4 6
     do_i2c_detect $i2c_bus 0x70 0x20 5 7
+    reset_pca9548 $i2c_bus 0x70
     
     i2c_bus=6
     do_i2c_detect $i2c_bus 0x71 0x08 3 8
     do_i2c_detect $i2c_bus 0x71 0x04 2 9
     do_i2c_detect $i2c_bus 0x71 0x01 0 10
     do_i2c_detect $i2c_bus 0x71 0x08 3 11
+    reset_pca9548 $i2c_bus 0x71
 }
 
 detect_on_5688m7(){
@@ -1353,10 +1371,13 @@ detect_on_5688m7(){
     do_i2c_detect $i2c_bus 0x71 0x02 1 1
     do_i2c_detect $i2c_bus 0x71 0x04 2 2
     do_i2c_detect $i2c_bus 0x71 0x08 3 3
+    reset_pca9548 $i2c_bus 0x71
+
     do_i2c_detect $i2c_bus 0x72 0x01 0 4
     do_i2c_detect $i2c_bus 0x72 0x02 1 5
     do_i2c_detect $i2c_bus 0x72 0x04 2 6
     do_i2c_detect $i2c_bus 0x72 0x08 3 7
+    reset_pca9548 $i2c_bus 0x72
 }
 
 debug_user_defined_detect(){