diff --git a/include/FileHandler.h b/include/FileHandler.h
index fbb36fd..1943b03 100644
--- a/include/FileHandler.h
+++ b/include/FileHandler.h
@@ -19,18 +19,13 @@ public:
     int n = 6, m = 8;
     int thMin, thMax, pX;
     string file;
-    double adcValue[6][8][2];
-    TH1F Left[6][8];
-    TH1F Right[6][8];
+    std::vector<int> adcValue[6][8][2];
 
 public:
     double getADC(TH1F hist);
-    void solve();
+    void readData();
     void save();
     void save(string);
-
-private:
-    void init();
 };
 
 FileHandler::FileHandler() {}
@@ -44,17 +39,6 @@ FileHandler::FileHandler(string file_, int n_, int thMin_, int thMax_) {
 
 FileHandler::~FileHandler() {}
 
-void FileHandler::init() {
-    string L, R;
-    for (int i = 0; i < n; i++)
-        for (int j = 0; j < m; j++) {
-            L = "Left" + to_string(i) + to_string(j);
-            R = "Right" + to_string(i) + to_string(j);
-            Left[i][j] = TH1F(L.c_str(), L.c_str(), CHANNEL_NUMBER, 0, CHANNEL_NUMBER);
-            Right[i][j] = TH1F(R.c_str(), R.c_str(), CHANNEL_NUMBER, 0, CHANNEL_NUMBER);
-        }
-}
-
 double FileHandler::getADC(TH1F hist) {
     int n, cnt = 0;
     double *parma = new double[3];
@@ -70,18 +54,7 @@ double FileHandler::getADC(TH1F hist) {
     return parma[1];
 }
 
-void FileHandler::solve() {
-    init();
-    readROOTData(file.c_str(), Left, Right, n, m, thMin, thMax);
-    if (DEBUG)
-        std::cout << getADC(Left[3][2]) << std::endl;
-    else
-        for (int i = 0; i < n; i++)
-            for (int j = 0; j < m; j++) {
-                adcValue[i][j][0] = getADC(Left[i][j]);
-                adcValue[i][j][1] = getADC(Right[i][j]);
-            }
-}
+void FileHandler::readData() { readROOTData(file.c_str(), adcValue, n, m, thMin, thMax); }
 
 void FileHandler::save() {
     string path = rmString(file, ".root") + ".csv";
@@ -90,12 +63,6 @@ void FileHandler::save() {
 
 void FileHandler::save(string path) {
     std::ofstream ofs(path);
-
-    ofs << "pX,X4,Bind,Left,Right" << std::endl;
-    for (int i = 0; i < n; i++)
-        for (int j = 0; j < m; j++)
-            ofs << pX << "," << i << "," << j << "," << adcValue[i][j][0] << ","
-                << adcValue[i][j][1] << std::endl;
 }
 
 #endif
diff --git a/include/GaussFit.h b/include/GaussFit.h
index b2bc160..69ac43a 100644
--- a/include/GaussFit.h
+++ b/include/GaussFit.h
@@ -51,16 +51,9 @@ void GaussFit::addData(double x, double y) { data.push_back(Eigen::Vector2d(x, y
 double* GaussFit::fit(int type_) {
     double x, y;
 
-    SigmaClip* SC1 = new SigmaClip(1, 5, dataMax2DInd, dataStd2DSQRT);
     SigmaClip* SC2 = new SigmaClip();
-    data = SC1->clipN(data);
     data = SC2->clip(data);
 
-    if (getTotal() <= 400) {
-        for (int i = 0; i < 3; i++) parma[i] = 0;
-        return parma;
-    }
-
     parma[0] = dataMax2D(data);
     parma[1] = dataAvg2D(data);
     parma[2] = dataStd2D(data);
@@ -89,7 +82,7 @@ double* GaussFit::fit(int type_) {
     if (DEBUG) std::cout << parma[0] << " " << parma[1] << ", " << parma[2] << std::endl;
     if (DEBUG) std::cout << RSquare() << std::endl;
 
-    if (RSquare() < 0.5)
+    if (RSquare() < 0.6)
         for (int i = 0; i < 3; i++) parma[i] = 0;
 
     return parma;
diff --git a/include/clip.h b/include/clip.h
index 0983791..a6e2a17 100644
--- a/include/clip.h
+++ b/include/clip.h
@@ -62,23 +62,4 @@ std::vector<Eigen::Vector2d> SigmaClip::clip(std::vector<Eigen::Vector2d> data)
     return data;
 }
 
-std::vector<Eigen::Vector2d> SigmaClip::clipN(std::vector<Eigen::Vector2d> data) {
-    std::vector<Eigen::Vector2d> dataN;
-    std::vector<Eigen::Vector2d>::iterator itor;
-
-    minValue = INF, maxValue = -INF;
-    for (int k = 1; k <= maxiters; k++) {
-        computeBound(data);
-        for (itor = data.begin(); itor != data.end();) {
-            if ((*itor)(0) < minValue || (*itor)(0) > maxValue) {
-                dataN.push_back(Eigen::Vector2d((*itor)(0), (*itor)(1)));
-                data.erase(itor);
-            } else
-                itor++;
-        }
-    }
-
-    return dataN;
-}
-
 #endif
diff --git a/include/utils.h b/include/utils.h
index dd50262..2a46b90 100644
--- a/include/utils.h
+++ b/include/utils.h
@@ -87,7 +87,7 @@ double dataMax2DInd(std::vector<Eigen::Vector2d> data) {
 
 double dataStd2DSQRT(std::vector<Eigen::Vector2d> data) { return std::sqrt(dataMax2D(data)); }
 
-void readROOTData(const char *fin, TH1F Left[6][8], TH1F Right[6][8], int n = 6, int m = 8,
+void readROOTData(const char *fin, std::vector<int> adcValue[6][8][2], int n = 6, int m = 8,
                   int thMin = 800, int thMax = 4000) {
     // read file
     TFile *fRun = new TFile(fin);
@@ -120,20 +120,10 @@ void readROOTData(const char *fin, TH1F Left[6][8], TH1F Right[6][8], int n = 6,
                 x1 = dataArray[j][k];
                 x2 = dataArray[j][k + m];
                 if ((x1 + x2) < thMin || (x1 + x2) > thMax) continue;
-                Left[j][k].Fill(dataArray[j][k]);
-                Right[j][k].Fill(dataArray[j][k + m]);
+                adcValue[j][k][0].push_back(dataArray[j][k]);
+                adcValue[j][k][1].push_back(dataArray[j][k]);
             }
     }
-
-    // Rebin
-    int nMax;
-    for (int i = 0; i < n; i++)
-        for (int j = 0; j < m; j++) {
-            nMax = Left[i][j].GetMaximum();
-            if (nMax < 50) Left[i][j] = *(TH1F *)(Left[i][j].Rebin(8));
-            nMax = Right[i][j].GetMaximum();
-            if (nMax < 50) Right[i][j] = *(TH1F *)(Right[i][j].Rebin(8));
-        }
 }
 
 string rmString(string str, string substr) {
diff --git a/main.cpp b/main.cpp
index 02aedfe..8633c7a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -22,9 +22,7 @@ int main() {
             run = cR(i, 0);
         FH[i - 1] = FileHandler("2016Q3D/root/raw/201609Q3D" + run + ".root", 5);
         FH[i - 1].pX = stoi(cR(i, 5));
-        FH[i - 1].solve();
-        if (!DEBUG) FH[i - 1].save("result/adc/201609Q3D" + run + ".csv");
-        if (DEBUG) break;
+        FH[i - 1].readData();
     }
 
     return 0;