diff --git a/02.nicsensor/nicsensor.sh b/02.nicsensor/nicsensor.sh
index 6173a66..2009cb3 100644
--- a/02.nicsensor/nicsensor.sh
+++ b/02.nicsensor/nicsensor.sh
@@ -182,7 +182,7 @@ set_configuration_5468m7(){
 # 根据donghu pcie slot 和 i2c 对对应关系调整变量
 set_configuration_donghu(){
     is_have_pca9641=0
-
+    pca9548_slave="0x70"
     i2c_bus=3
 
     # set pca9548 switch channel