diff --git a/include/BindHandler.h b/include/BindHandler.h
index 0790230..2ec132d 100644
--- a/include/BindHandler.h
+++ b/include/BindHandler.h
@@ -3,13 +3,19 @@
 #ifndef bind_handler_h
 #define bind_handler_h
 
-#include "GaussFit.h"
 #include "FileHandler.h"
+#include "GaussFit.h"
 
 class BindHandler {
 public:
-    BindHandler();
-    ~BindHandler() {};
+    BindHandler(){};
+    ~BindHandler(){};
+
+public:
+    std::vector<FileHandler> data;
+
+public:
+    void addData(FileHandler);
 };
 
 #endif
diff --git a/include/FileHandler.h b/include/FileHandler.h
index 83a3757..e26938f 100644
--- a/include/FileHandler.h
+++ b/include/FileHandler.h
@@ -10,9 +10,9 @@ 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;
diff --git a/include/GaussFit.h b/include/GaussFit.h
index da13955..ff6d017 100644
--- a/include/GaussFit.h
+++ b/include/GaussFit.h
@@ -27,8 +27,12 @@ double* GaussianJacobian(double x, double* p) {
 
 class GaussFit {
 public:
-    GaussFit() {};
-    ~GaussFit() {};
+    GaussFit(){};
+    ~GaussFit(){};
+
+public:
+    double* parma = new double[3];
+    std::vector<Eigen::Vector2d> data;
 
 public:
     void addData(double x, double y);
@@ -36,10 +40,6 @@ public:
     double RSquare();
     int getTotal();
     void draw(std::string title = "./Figure.png");
-
-public:
-    double* parma = new double[3];
-    std::vector<Eigen::Vector2d> data;
 };
 
 void GaussFit::addData(double x, double y) { data.push_back(Eigen::Vector2d(x, y)); }
diff --git a/include/GaussNewton.h b/include/GaussNewton.h
index 694b71f..58df989 100644
Binary files a/include/GaussNewton.h and b/include/GaussNewton.h differ
diff --git a/include/LevenbergMarquardt.h b/include/LevenbergMarquardt.h
index a0374d3..0c8a2b1 100644
Binary files a/include/LevenbergMarquardt.h and b/include/LevenbergMarquardt.h differ
diff --git a/include/clip.h b/include/clip.h
index 3b1d982..b2b6659 100644
--- a/include/clip.h
+++ b/include/clip.h
@@ -18,9 +18,8 @@ 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);
 
 private:
     void computeBound(std::vector<Eigen::Vector2d> data);
@@ -45,7 +44,7 @@ void SigmaClip::computeBound(std::vector<Eigen::Vector2d> data) {
 
 std::vector<Eigen::Vector2d> SigmaClip::clip(std::vector<Eigen::Vector2d> data) {
     std::vector<Eigen::Vector2d>::iterator itor;
-    
+
     minValue = INF, maxValue = -INF;
     for (int k = 1; k <= maxiters; k++) {
         computeBound(data);