diff --git a/iflytoplinuxsdk b/iflytoplinuxsdk
index 808d148..0b3d9f6 160000
--- a/iflytoplinuxsdk
+++ b/iflytoplinuxsdk
@@ -1 +1 @@
-Subproject commit 808d14861ae0228613d85c2c7eb986daad0f51c5
+Subproject commit 0b3d9f6313df93b5d895ecf7723c5c5dfff4ea16
diff --git a/src/service/device_io_control_service.cpp b/src/service/device_io_control_service.cpp
index c57c003..6c03d51 100644
--- a/src/service/device_io_control_service.cpp
+++ b/src/service/device_io_control_service.cpp
@@ -121,7 +121,7 @@ int DeviceIoControlService::airCompressor_channelSelect(int32_t val) {
   if (m_airCompressor_channelIndex == 1) {
     m_zcanHost->call(kcmd_air_compressor_ch_select, 1);
   } else if (m_airCompressor_channelIndex == 2) {
-    m_zcanHost->call(kcmd_air_compressor_ch_select, 0);
+    m_zcanHost->call(kcmd_air_compressor_ch_select, 2);
   } else {
     return err::kfail;
   }