diff --git a/.gitignore b/.gitignore
index eaac86d..e3021eb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,14 +1,16 @@
 # data file
 *.root
 *.log
+*.csv
+*.json
+2016Q3D/
 
 # build cache
 build/
-2016Q3D/
 
 # config
 .vscode
 .vs
-*.json
 
 *.code-workspace
+*.exe
diff --git a/Q3D.exe b/Q3D.exe
deleted file mode 100644
index 29f843b..0000000
Binary files a/Q3D.exe and /dev/null differ
diff --git a/include/csvReader.h b/include/csvReader.h
new file mode 100644
index 0000000..1a5f5cb
--- /dev/null
+++ b/include/csvReader.h
@@ -0,0 +1,74 @@
+#pragma once
+
+#ifndef csv_reader_h
+#define csv_reader_h
+
+#include <fstream>
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+
+using std::string;
+using std::vector;
+
+class csvReader {
+public:
+    csvReader(string);
+    ~csvReader();
+
+public:
+    string file;
+    vector<vector<string>> strArray;
+
+public:
+    int rows();
+    void readData();
+    string& operator()(int i, int j) const;
+};
+
+csvReader::csvReader(string file_) { file = file_; }
+
+csvReader::~csvReader() {}
+
+int csvReader::rows() { return strArray.size(); }
+
+void csvReader::readData() {
+    std::ifstream inFile(file);
+    string lineStr;
+    while (std::getline(inFile, lineStr)) {
+        std::stringstream ss(lineStr);
+        string str;
+        vector<string> lineArray;
+        while (std::getline(ss, str, ',')) lineArray.push_back(str);
+        strArray.push_back(lineArray);
+    }
+}
+
+string& csvReader::operator()(int i, int j) const {
+    vector<string> lineArray;
+    int n = strArray.size(), m;
+
+    if (i < 0 || i > n - 1) std::cout << "Row Index Out Of Bounds " << std::endl;
+    lineArray = strArray.at(i);
+    m = lineArray.size();
+    if (j < 0 || j > m - 1) std::cout << "Column Index Out Of Bounds " << std::endl;
+
+    return lineArray.at(j);
+}
+
+std::ostream& operator<<(std::ostream& cout, csvReader& cR) {
+    vector<string> lineArray;
+    int n = cR.strArray.size(), m;
+
+    for (int i = 0; i < n; i++) {
+        lineArray = cR.strArray.at(i);
+        m = lineArray.size();
+        for (int j = 0; j < m; j++) cout << lineArray.at(j) << " ";
+        if (i < n - 1) cout << std::endl;
+    }
+
+    return cout;
+}
+
+#endif
diff --git a/include/getADC.h b/include/getADC.h
index 2633e83..620daee 100644
--- a/include/getADC.h
+++ b/include/getADC.h
@@ -3,11 +3,13 @@
 
 #include <iostream>
 
+#define CHANNEL_NUMBER 4096
+
 double getADC(TH1F *hist) {
     int n, cnt = 0;
     double *parma = new double[3];
     GaussFit *GF = new GaussFit();
-    for (int k = 0; k < 300; k++) {
+    for (int k = 0; k < CHANNEL_NUMBER; k++) {
         n = hist->GetBinContent(k);
         if (n == 0) continue;
         GF->addData(k, n);
diff --git a/main.cpp b/main.cpp
index 81210e2..9dc9730 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,4 +1,5 @@
-#include "getADC.h"
+#include "csvReader.h"
+// #include "getADC.h"
 #include <TFile.h>
 #include <TH1F.h>
 #include <TTree.h>
@@ -122,21 +123,23 @@ void readData(const char *fin, TH1F Left[5][8], TH1F Right[5][8]) {
 }
 
 int main() {
-    TH1F Left[5][8];
-    TH1F Right[5][8];
+    // TH1F Left[5][8];
+    // TH1F Right[5][8];
 
-    string L, R;
-    for (int i = 0; i < 5; i++)
-        for (int j = 0; j < 8; 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(), 300, 0, 300);
-            Right[i][j] = TH1F(R.c_str(), R.c_str(), 300, 0, 300);
-        }
+    // string L, R;
+    // for (int i = 0; i < 5; i++)
+    //     for (int j = 0; j < 8; 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);
+    //     }
 
-    readData("F:/NuclearAstroPhy/Q3D-Calibration/2016Q3D/root/raw/201609Q3D1002.root", Left, Right);
-    double x = getADC(&Left[0][0]);
-    cout << x << endl;
+    // readData("F:/NuclearAstroPhy/Q3D-Calibration/2016Q3D/root/raw/201609Q3D1002.root", Left,
+    // Right); double x = getADC(&Left[0][0]); cout << x << endl;
+
+    csvReader cR("config.csv");
+    cR.readData();
 
     return 0;
 }