diff --git a/components/water_cooling_temperature_control_module/pwm_ctrl_module.cpp b/components/water_cooling_temperature_control_module/pwm_ctrl_module.cpp
index 2699852..e6067b2 100644
--- a/components/water_cooling_temperature_control_module/pwm_ctrl_module.cpp
+++ b/components/water_cooling_temperature_control_module/pwm_ctrl_module.cpp
@@ -49,11 +49,13 @@ int32_t PWMSpeedCtrlModule::startModule(int32_t duty) {
   startFanPWM(duty);
   powerON();
   m_lastcheckTime = zos_get_tick();
+  return 0;
 }
 int32_t PWMSpeedCtrlModule::stopModule() {
   fanisworking = false;
   stopFanPWM();
   powerOff();
+  return 0;
 }
 
 int32_t PWMSpeedCtrlModule::getSubModuleErrorState(int32_t fanindex, int32_t* error_state) {
@@ -126,4 +128,4 @@ void PWMSpeedCtrlModule::stopFanPWM() {
       m_fanCtrlPwm.stopPWM(cfg.fan0Channel[i]);
     }
   }
-}
\ No newline at end of file
+}
diff --git a/components/xy_robot_ctrl_module/xy_robot_ctrl_module.cpp b/components/xy_robot_ctrl_module/xy_robot_ctrl_module.cpp
index 6331c55..0f051dc 100644
--- a/components/xy_robot_ctrl_module/xy_robot_ctrl_module.cpp
+++ b/components/xy_robot_ctrl_module/xy_robot_ctrl_module.cpp
@@ -668,6 +668,7 @@ int32_t XYRobotCtrlModule::module_set_reg(int32_t param_id, int32_t val) {
     default:
       return err::kmodule_not_find_config_index;
   }
+  return 0;
 }
 int32_t XYRobotCtrlModule::module_get_reg(int32_t param_id, int32_t* val) {
   switch (param_id) {
@@ -713,6 +714,7 @@ int32_t XYRobotCtrlModule::module_get_reg(int32_t param_id, int32_t* val) {
     default:
       return err::kmodule_not_find_config_index;
   }
+  return 0;
 }
 #if 0
 int32_t XYRobotCtrlModule::module_set_state(int32_t state_id, int32_t state_value) { return err::kmodule_not_find_state_index; }