diff --git a/src/service/device_io_control_service.cpp b/src/service/device_io_control_service.cpp
index b00ee8c..4ab7484 100644
--- a/src/service/device_io_control_service.cpp
+++ b/src/service/device_io_control_service.cpp
@@ -197,6 +197,20 @@ void DeviceIoControlService::startScan() {
       }
 #endif
 
+#if (defined PROJECT_TYPE_PIPE_DISINFECTION)
+      if (i % 100 == 0) {
+        int32_t ack0 = 0;
+        int32_t ack1 = 0;
+        m_zcanHost->call(kcmd_read_device_bottom_water_detection_sensor, &ack0);
+        // m_zcanHost->call(kcmd_read_evaporation_bin_water_detection, &ack1);
+
+        m_deviceBottomWaterDetectionSensor = ack0;
+        m_evaporationBinWaterDetection     = false;
+
+        // logger->info("DeviceBottomWaterDetectionSensor:{}  EvaporationBinWaterDetection:{}", m_deviceBottomWaterDetectionSensor, m_evaporationBinWaterDetection);
+      }
+#endif
+
       // kcmd_read_device_bottom_water_detection_sensor
       // kcmd_read_evaporation_bin_water_detection
     }
@@ -540,9 +554,9 @@ int32_t DeviceIoControlService::AirProportionalValve_isBusy(int32_t* isbusy) {
 #ifdef PROJECT_TYPE_PIPE_DISINFECTION
 int DeviceIoControlService::airCompressor_channelSelect(int32_t val) {
   m_airCompressor_channelIndex = val;
-  if (m_airCompressor_channelIndex == 1) {
+  if (m_airCompressor_channelIndex == 1) {  //
     m_zcanHost->call(kcmd_air_compressor_ch_select, 1);
-  } else if (m_airCompressor_channelIndex == 2) {
+  } else if (m_airCompressor_channelIndex == 2) {  // 气密性测试
     m_zcanHost->call(kcmd_air_compressor_ch_select, 2);
   } else {
     return err::kfail;