diff --git a/acceleration.cpp b/acceleration.cpp
index 232476d..244ce72 100644
--- a/acceleration.cpp
+++ b/acceleration.cpp
@@ -170,12 +170,12 @@ void Acceleration::Init() {
     }
     std::shared_ptr<VibrationData> ptr = std::dynamic_pointer_cast<VibrationData>(base_ptr);
     if (ptr->base_config_[channel - 1].channel_type != kVibAcc) {
-        qDebug() << " channel type changes";
+        qDebug() << "[Acceleration::Init] channel type changes";
         return;
     }
     std::shared_ptr<VariableBase> variable_base = ptr->GetChannelPtr(channel);
     if (variable_base == nullptr) {
-        qDebug() << "no channel ptr";
+        qDebug() << "[Acceleration::Init] no channel ptr";
         return;
     }
     std::shared_ptr<AccVelVariable> variable_ptr = std::dynamic_pointer_cast<AccVelVariable>(variable_base);
diff --git a/acceleration.h b/acceleration.h
index 079e586..21ce04c 100644
--- a/acceleration.h
+++ b/acceleration.h
@@ -31,12 +31,6 @@ class Acceleration : public QWidget {
   private:
     Ui::Acceleration *ui;
 
-//    Filter filter[3];
-//    Dealy delay;
-//    Variables variables[4];
-//    Alert_Variables alert_variables;
-
-//    void readJsonFile(const QString &filePath);
     void Init();
 };
 
diff --git a/radial_vibration.cpp b/radial_vibration.cpp
index e4614fc..8f2d014 100644
--- a/radial_vibration.cpp
+++ b/radial_vibration.cpp
@@ -83,17 +83,17 @@ void Radial::on_checkBox_smax_ampl_toggled(bool checked) {
 void Radial::Init() {
     std::shared_ptr<CardBase> base_ptr = ConfigMgr::Instance()->GetSlotPtr(slot_no);
     if (base_ptr == nullptr) {
-        qCritical() << "[Velocity::Init] should not be here";
+        qCritical() << "[Radial::Init] should not be here";
         return;
     }
     std::shared_ptr<VibrationData> ptr = std::dynamic_pointer_cast<VibrationData>(base_ptr);
     if (ptr->base_config_[channel - 1].channel_type != kVibRadial) {
-        qDebug() << " channel type changes";
+        qDebug() << "[Radial::Init] channel type changes";
         return;
     }
     std::shared_ptr<VariableBase> variable_base = ptr->GetChannelPtr(channel);
     if (variable_base == nullptr) {
-        qDebug() << "no channel ptr";
+        qDebug() << "[Radial::Init] no channel ptr";
         return;
     }
     std::shared_ptr<RadialVariable> variable_ptr = std::dynamic_pointer_cast<RadialVariable>(variable_base);
diff --git a/radial_vibration.h b/radial_vibration.h
index 874a036..adac59b 100644
--- a/radial_vibration.h
+++ b/radial_vibration.h
@@ -28,11 +28,6 @@ class Radial : public QWidget {
   private:
     Ui::Radial_vibration *ui;
 
-//    Filter filter[3];
-//    Dealy delay;
-//    Variables variables[6];
-//    Alert_Variables alert_variables;
-//    void readJsonFile(const QString &filePath);
     void Init();
 };
 
diff --git a/velocity.cpp b/velocity.cpp
index 2b2b41e..65612f0 100644
--- a/velocity.cpp
+++ b/velocity.cpp
@@ -126,12 +126,12 @@ void Velocity::Init() {
     }
     std::shared_ptr<VibrationData> ptr = std::dynamic_pointer_cast<VibrationData>(base_ptr);
     if (ptr->base_config_[channel - 1].channel_type != kVibVelocity) {
-        qDebug() << " channel type changes";
+        qDebug() << "[Velocity::Init] channel type changes";
         return;
     }
     std::shared_ptr<VariableBase> variable_base = ptr->GetChannelPtr(channel);
     if (variable_base == nullptr) {
-        qDebug() << "no channel ptr";
+        qDebug() << "[Velocity::Init] no channel ptr";
         return;
     }
     std::shared_ptr<AccVelVariable> variable_ptr = std::dynamic_pointer_cast<AccVelVariable>(variable_base);
diff --git a/velocity.h b/velocity.h
index d771a49..af40b1b 100644
--- a/velocity.h
+++ b/velocity.h
@@ -28,12 +28,6 @@ class Velocity : public QWidget {
   private:
     Ui::Velocity *ui;
 
-//    Filter filter[3];
-//    Dealy delay;
-//    Variables variables[4];
-//    Alert_Variables alert_variables;
-
-//    void readJsonFile(const QString &filePath);
     void Init();
 };