diff --git a/sdk/components/water_cooling_temperature_control_module/water_cooling_temperature_control_module.cpp b/sdk/components/water_cooling_temperature_control_module/water_cooling_temperature_control_module.cpp
index 752d8f0..6a34fe8 100644
--- a/sdk/components/water_cooling_temperature_control_module/water_cooling_temperature_control_module.cpp
+++ b/sdk/components/water_cooling_temperature_control_module/water_cooling_temperature_control_module.cpp
@@ -72,7 +72,7 @@ int32_t WaterCoolingTemperatureControlModule::pri_module_xxx_reg(int32_t param_i
     PROCESS_REG(kreg_water_cooling_tmp_controler_pid_target, REG_GET_FLOAT(m_target_temperature, 0.1), REG_SET_FLOAT(m_target_temperature, 0.1));
 
     PROCESS_REG(kreg_water_cooling_tmp_controler_pid_nowoutput, REG_GET(m_pidmodule.get_output()), ACTION_NONE);
-    PROCESS_REG(kreg_water_cooling_tmp_controler_pid_feedbackval, REG_GET(read_pid_temperature()), ACTION_NONE);
+    PROCESS_REG(kreg_water_cooling_tmp_controler_pid_feedbackval, REG_GET(read_pid_temperature_from_upper()), ACTION_NONE);
 
     PROCESS_REG(kreg_water_cooling_tmp_controler_temp0, REG_GET(getTemperatureSensorVal(0) * 10 + 0.5), ACTION_NONE);
     PROCESS_REG(kreg_water_cooling_tmp_controler_temp1, REG_GET(getTemperatureSensorVal(1) * 10 + 0.5), ACTION_NONE);
@@ -166,7 +166,8 @@ void    WaterCoolingTemperatureControlModule::workloop() {
 
     m_thread.sleep(m_cfg.pidcompute_periodms);
 
-    float val = read_pid_temperature();
+    float val             = read_pid_temperature();
+    m_feedbak_temperature = val;
 
     float error = m_target_temperature - val;
     float out   = 0;
@@ -232,6 +233,13 @@ int32_t WaterCoolingTemperatureControlModule::checkdevice() {
 /*******************************************************************************
  *                                    BASIC                                    *
  *******************************************************************************/
+float WaterCoolingTemperatureControlModule::read_pid_temperature_from_upper() {
+  if (creg.module_status == 1) {
+    return m_feedbak_temperature;
+  } else {
+    return read_pid_temperature();
+  }
+}
 
 float WaterCoolingTemperatureControlModule::read_pid_temperature() {
   zlock_guard          lock(m_temperature_sensor_mutex);
diff --git a/sdk/components/water_cooling_temperature_control_module/water_cooling_temperature_control_module.hpp b/sdk/components/water_cooling_temperature_control_module/water_cooling_temperature_control_module.hpp
index a18f0a0..d96f958 100644
--- a/sdk/components/water_cooling_temperature_control_module/water_cooling_temperature_control_module.hpp
+++ b/sdk/components/water_cooling_temperature_control_module/water_cooling_temperature_control_module.hpp
@@ -68,14 +68,15 @@ class WaterCoolingTemperatureControlModule : public ZIModule, public ZI_WaterCoo
   PidModule m_pidmodule;
   ZThread   m_thread;
 
-  int32_t m_enable_log         = 0;
-  float   m_target_temperature = 0;
+  int32_t m_enable_log          = 0;
+  float   m_target_temperature  = 0;
+  float   m_feedbak_temperature = 0;
 
   zmutex m_temperature_sensor_mutex;
 
  public:
-  WaterCoolingTemperatureControlModule(){};
-  virtual ~WaterCoolingTemperatureControlModule(){};
+  WaterCoolingTemperatureControlModule() {};
+  virtual ~WaterCoolingTemperatureControlModule() {};
 
   static void createDefaultConfig(config_t* cfg);
 
@@ -110,6 +111,8 @@ class WaterCoolingTemperatureControlModule : public ZIModule, public ZI_WaterCoo
  private:
   int32_t gettemperature_sensor_state(int32_t& state);
   float   getTemperatureSensorVal(int32_t index);
+
+  float read_pid_temperature_from_upper();
 };
 
 }  // namespace iflytop