diff --git a/include/BindHandler.h b/include/BindHandler.h
new file mode 100644
index 0000000..0790230
--- /dev/null
+++ b/include/BindHandler.h
@@ -0,0 +1,15 @@
+#pragma once
+
+#ifndef bind_handler_h
+#define bind_handler_h
+
+#include "GaussFit.h"
+#include "FileHandler.h"
+
+class BindHandler {
+public:
+    BindHandler();
+    ~BindHandler() {};
+};
+
+#endif
diff --git a/include/FileHandler.h b/include/FileHandler.h
index 1943b03..83a3757 100644
--- a/include/FileHandler.h
+++ b/include/FileHandler.h
@@ -3,17 +3,16 @@
 #ifndef file_handler_h
 #define file_handler_h
 
-#include "GaussFit.h"
-#include <TH1F.h>
+#include "utils.h"
 
 using std::string;
 using std::to_string;
 
 class FileHandler {
 public:
-    FileHandler();
+    FileHandler() {};
     FileHandler(string, int n_ = 6, int thMin_ = 800, int thMax_ = 4000);
-    ~FileHandler();
+    ~FileHandler() {};
 
 public:
     int n = 6, m = 8;
@@ -22,14 +21,9 @@ public:
     std::vector<int> adcValue[6][8][2];
 
 public:
-    double getADC(TH1F hist);
     void readData();
-    void save();
-    void save(string);
 };
 
-FileHandler::FileHandler() {}
-
 FileHandler::FileHandler(string file_, int n_, int thMin_, int thMax_) {
     file = file_;
     n = n_;
@@ -37,32 +31,6 @@ FileHandler::FileHandler(string file_, int n_, int thMin_, int thMax_) {
     thMax = thMax_;
 }
 
-FileHandler::~FileHandler() {}
-
-double FileHandler::getADC(TH1F hist) {
-    int n, cnt = 0;
-    double *parma = new double[3];
-    GaussFit GF = GaussFit();
-    for (int k = 10; k < CHANNEL_NUMBER; k++) {
-        n = hist.GetBinContent(k);
-        if (n == 0) continue;
-        GF.addData(hist.GetBinCenter(k), n);
-    }
-    parma = GF.fit();
-    if (DEBUG) GF.draw();
-
-    return parma[1];
-}
-
 void FileHandler::readData() { readROOTData(file.c_str(), adcValue, n, m, thMin, thMax); }
 
-void FileHandler::save() {
-    string path = rmString(file, ".root") + ".csv";
-    save(path);
-}
-
-void FileHandler::save(string path) {
-    std::ofstream ofs(path);
-}
-
 #endif
diff --git a/include/GaussFit.h b/include/GaussFit.h
index 69ac43a..da13955 100644
--- a/include/GaussFit.h
+++ b/include/GaussFit.h
@@ -27,8 +27,8 @@ double* GaussianJacobian(double x, double* p) {
 
 class GaussFit {
 public:
-    GaussFit();
-    ~GaussFit();
+    GaussFit() {};
+    ~GaussFit() {};
 
 public:
     void addData(double x, double y);
@@ -42,10 +42,6 @@ public:
     std::vector<Eigen::Vector2d> data;
 };
 
-GaussFit::GaussFit() {}
-
-GaussFit::~GaussFit() {}
-
 void GaussFit::addData(double x, double y) { data.push_back(Eigen::Vector2d(x, y)); }
 
 double* GaussFit::fit(int type_) {
diff --git a/include/GaussNewton.h b/include/GaussNewton.h
index 6fccc60..694b71f 100644
Binary files a/include/GaussNewton.h and b/include/GaussNewton.h differ
diff --git a/include/LevenbergMarquardt.h b/include/LevenbergMarquardt.h
index ead604f..a0374d3 100644
Binary files a/include/LevenbergMarquardt.h and b/include/LevenbergMarquardt.h differ
diff --git a/include/clip.h b/include/clip.h
index a6e2a17..3b1d982 100644
--- a/include/clip.h
+++ b/include/clip.h
@@ -18,7 +18,7 @@ public:
     SigmaClip(double sigma = 3, int maxiters = 5,
               double (*cenF)(std::vector<Eigen::Vector2d> data) = nullptr,
               double (*stdF)(std::vector<Eigen::Vector2d> data) = nullptr);
-    ~SigmaClip();
+    ~SigmaClip() {};
     std::vector<Eigen::Vector2d> clip(std::vector<Eigen::Vector2d> data);
     std::vector<Eigen::Vector2d> clipN(std::vector<Eigen::Vector2d> data);
 
@@ -35,8 +35,6 @@ SigmaClip::SigmaClip(double sigma_, int maxiters_,
     stdF = stdF_ == nullptr ? dataStd2D : stdF_;
 }
 
-SigmaClip::~SigmaClip() {}
-
 void SigmaClip::computeBound(std::vector<Eigen::Vector2d> data) {
     double std = (*stdF)(data);
     double mean = (*cenF)(data);
diff --git a/include/csvReader.h b/include/csvReader.h
index 9ed74d8..433a5fb 100644
--- a/include/csvReader.h
+++ b/include/csvReader.h
@@ -15,7 +15,7 @@ using std::vector;
 class CsvReader {
 public:
     CsvReader(string);
-    ~CsvReader();
+    ~CsvReader() {};
 
 public:
     string file;
@@ -29,8 +29,6 @@ public:
 
 CsvReader::CsvReader(string file_) { file = file_; }
 
-CsvReader::~CsvReader() {}
-
 int CsvReader::rows() { return strArray.size(); }
 
 void CsvReader::readData() {
diff --git a/main.cpp b/main.cpp
index 8633c7a..fc9240a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,5 +1,7 @@
+#include "BindHandler.h"
 #include "CsvReader.h"
 #include "FileHandler.h"
+#include "utils.h"
 
 #include <iostream>