diff --git a/02.nicsensor/change_list.txt b/02.nicsensor/change_list.txt
index f4d84aa..89bbfe1 100644
--- a/02.nicsensor/change_list.txt
+++ b/02.nicsensor/change_list.txt
@@ -1,7 +1,7 @@
 # Script Version 1.2
   Release Note:
     1.[新增功能]支持写入板卡FRU
-    2.[新增功能]添加适配服务器 donghu
+    2.[新增功能]添加适配服务器 donghu yichun
     3.[功能优化]修复一些交互类bug,增强脚本健壮性
     4.[功能优化]更便捷的支持脚本传感器名称本地化
 
diff --git a/02.nicsensor/nicsensor.sh b/02.nicsensor/nicsensor.sh
index 08ffb1b..f3100b2 100644
--- a/02.nicsensor/nicsensor.sh
+++ b/02.nicsensor/nicsensor.sh
@@ -43,7 +43,7 @@ EMC1413_Channel2_name="Channel 2"
 fru_offset="0x00 0x00"
 
 # 应用的服务器产品,根据服务器产品手动修改这个变量
-# 当前适配的服务器产品 5280m7 5468m7 donghu
+# 当前适配的服务器产品 5280m7 5468m7 donghu yichun
 server_type="5280m7"
 
 # ---------------------------------------------------------
@@ -134,7 +134,7 @@ ina3221_ch2_volt="0"
 ina3221_ch0_current="0"
 ina3221_ch1_current="0"
 ina3221_ch2_current="0"
-SCRIPT_VRESION="1.2 InTest Rev2"
+SCRIPT_VRESION="1.2 InTest Rev3"
 
 fru_file_name=$option_data2
 fru_write_size=0
@@ -295,9 +295,28 @@ set_configuration_donghu(){
         pca9548_channel="0x02"
     elif [ $pcie_slot -eq 7 ];then
         pca9548_channel="0x01"
+    fi
 
 }
 
+# 根据yichun pcie slot 和 i2c 对对应关系调整变量
+set_configuration_yichun(){
+    is_have_pca9641=0
+    pca9548_slave="0x74"
+
+    # set pca9548 switch channel
+    if [ $pcie_slot -eq 0 ];then
+        i2c_bus=12
+        pca9548_channel="0x02"
+    elif [ $pcie_slot -eq 1 ];then
+        i2c_bus=13
+        pca9548_channel="0x02"
+    elif [ $pcie_slot -eq 2 ];then
+        i2c_bus=14
+        pca9548_channel="0x02"
+    fi
+}
+
 # 根据输入信息调整选通芯片的配置(PCA9641 PCA9548)
 # 20240912 - 更新脚本：支持通过服务器型号进行配置
 set_configuration(){
@@ -311,6 +330,8 @@ set_configuration(){
         set_configuration_5468m7
     elif [ $server_type == "donghu" ];then
         set_configuration_donghu
+    elif [ $server_type == "yichun" ];then
+        set_configuration_yichun
     else
         format_print $ERROR "Error: Unsupport Server Type !!! - $server_type"
         exit 1
@@ -987,6 +1008,24 @@ detect_on_donghu(){
     i2cdetect -y $i2c_bus
 }
 
+# 在 yichun 上扫描每个pcie slot下的I2C设备
+detect_on_yichun(){
+    i2c_bus=12
+    echo ">>> PCIe slot 0 : bus12 9546channel 2"
+    i2ctransfer -y $i2c_bus w1@0x74 0x02
+    i2cdetect -y $i2c_bus
+
+    i2c_bus=13
+    echo ">>> PCIe slot 1 : bus13 9546channel 2"
+    i2ctransfer -y $i2c_bus w1@0x74 0x02
+    i2cdetect -y $i2c_bus
+
+    i2c_bus=14
+    echo ">>> PCIe slot 2 : bus14 9546channel 2"
+    i2ctransfer -y $i2c_bus w1@0x74 0x02
+    i2cdetect -y $i2c_bus
+}
+
 # 搜索服务器所有PCIE插槽的I2C设备信息,当前仅支持特定Riser卡上的设备
 # change list : 20240912-支持服务器器型号5280m7,5468m7
 start_detect_device(){
@@ -1006,6 +1045,8 @@ start_detect_device(){
         detect_on_5468m7
     elif [ $server_type == "donghu" ];then
         detect_on_donghu
+    elif [ $server_type == "yichun" ];then
+        detect_on_yichun
     else
         echo "Error: Unsupport Server Type !!!"
     fi