diff --git a/README.md b/README.md
index 2bdba72..354984b 100644
--- a/README.md
+++ b/README.md
@@ -20,8 +20,6 @@
 
 #### ・USB Host Library Rev. 2.0 https://github.com/felis/USB_Host_Shield_2.0
 
-フットスイッチは以下のGPIOに割り当てています。
-=======
 ### フットスイッチは以下のGPIOに割り当てています。
 
 ### M5Stackのピンからスイッチに配線する場合、以下のGPIOから配線して下さい。
diff --git a/zoomG1_midiController/zoomG1_midiController.ino b/zoomG1_midiController/zoomG1_midiController.ino
index d76dcd4..b82964c 100644
--- a/zoomG1_midiController/zoomG1_midiController.ino
+++ b/zoomG1_midiController/zoomG1_midiController.ino
@@ -34,7 +34,7 @@ int xpos =  0;
 int ypos = 50;
 
 GX_PARAM gxParam;
-EEPROMParam eepParam = EEPROMParam(PROGRAM_ID, gxParam); 
+EEPROMParam eepParam = EEPROMParam(); 
 
 Button2 buttonUP = Button2(btnUP);
 Button2 buttonRIGHT = Button2(btnRIGHT);
@@ -116,6 +116,15 @@ void button_init()
 
 void button_poll()
 {
+  if (M5.BtnA.wasReleased()){
+    buttonActionLEFT();
+    return;
+  }
+  if (M5.BtnC.wasReleased()){
+    buttonActionRIGHT();
+    return;
+  }
+  
   buttonUP.loop();
   buttonRIGHT.loop();
   buttonLEFT.loop();
@@ -187,7 +196,7 @@ void DisplayNumber(int number)
   M5.Lcd.setTextDatum(1);
   xpos = M5.Lcd.width() / 2;
   //ypos = M5.Lcd.height() / 2;
-  ypos = 35;
+  ypos = 40;
   M5.Lcd.setTextPadding(M5.Lcd.width());
   M5.Lcd.setTextColor(TFT_YELLOW, TFT_BLACK);
   sprintf(buf, "%02d", number);
@@ -238,7 +247,7 @@ void setup()
   M5.begin(true, false, true);
   M5.Power.begin();
 
-  eepParam = EEPROMParam(PROGRAM_ID, gxParam); 
+  eepParam.LoadParameter(PROGRAM_ID, gxParam); 
   convertParamToPreset();
 
   initDisplay();
diff --git a/zoomG1_midiController/zoomparam.cpp b/zoomG1_midiController/zoomparam.cpp
index cfbe0db..f4ba997 100644
--- a/zoomG1_midiController/zoomparam.cpp
+++ b/zoomG1_midiController/zoomparam.cpp
@@ -1,17 +1,9 @@
 #include <EEPROM.h>
 #include "zoomparam.h"
 
-EEPROMParam::EEPROMParam(const char *gxID, GX_PARAM &gxParam)
+EEPROMParam::EEPROMParam()
 {
-  strncpy(zoomProgramID, gxID, MAX_ID_LENGTH);
-  zoomProgramID[MAX_ID_LENGTH] = NULL;
-  
-  getParameterFromEEPROM(gxParam);
-  if (strcmp((char *)gxParam.programID, gxID) != 0){
-    setDefaultParameter(gxParam);
-    setParameterToEEPROM(gxParam);
-    getParameterFromEEPROM(gxParam);
-  }
+
 }
 
 bool EEPROMParam::operator==(EEPROMParam &rhs) 
@@ -23,7 +15,20 @@ void EEPROMParam::initializeParameter(GX_PARAM &gxParam)
 {
   gxParam.programID[0] = NULL;
   gxParam.bankSelect = 0;
-  gxParam.patchNumber = 1;
+  gxParam.patchNumber = 0;
+}
+
+void EEPROMParam::LoadParameter(const char *gxID, GX_PARAM &gxParam)
+{
+  strncpy(zoomProgramID, gxID, MAX_ID_LENGTH);
+  zoomProgramID[MAX_ID_LENGTH] = NULL;
+  
+  getParameterFromEEPROM(gxParam);
+  if (strcmp((char *)gxParam.programID, gxID) != 0){
+    setDefaultParameter(gxParam);
+    setParameterToEEPROM(gxParam);
+    getParameterFromEEPROM(gxParam);
+  }  
 }
 
 void EEPROMParam::setDefaultParameter(GX_PARAM &gxParam)
diff --git a/zoomG1_midiController/zoomparam.h b/zoomG1_midiController/zoomparam.h
index f56c80a..6248b6a 100644
--- a/zoomG1_midiController/zoomparam.h
+++ b/zoomG1_midiController/zoomparam.h
@@ -16,8 +16,9 @@ class EEPROMParam {
   //MS_PARAM gxParam;
     char zoomProgramID[MAX_ID_LENGTH + 1];
   public:
-    EEPROMParam(const char *gxID, GX_PARAM &gxParam);
+    EEPROMParam(void);
     void initializeParameter(GX_PARAM &gxParam);
+    void LoadParameter(const char *gxID, GX_PARAM &gxParam);
     void setDefaultParameter(GX_PARAM &gxParam);
     void setParameterToEEPROM(GX_PARAM &gxParam);
     void getParameterFromEEPROM(GX_PARAM &gxParam);