diff --git a/Gtk3/gtk28/gtk28.depend b/Gtk3/gtk28/gtk28.depend
index be11256..65ce7ef 100644
--- a/Gtk3/gtk28/gtk28.depend
+++ b/Gtk3/gtk28/gtk28.depend
@@ -30,7 +30,7 @@
 
 1606780433 /root/cpp50/winpe.xpm
 
-1608950527 source:/root/gtk28/gtkwin.cpp
+1608952131 source:/root/gtk28/gtkwin.cpp
 	"gtkwin.h"
 	"test.h"
 	"winpe.xpm"
@@ -39,7 +39,7 @@
 1608952150 /root/gtk28/gtkwin.h
 	<gtk/gtk.h>
 
-1608874688 /root/gtk28/test.h
+1609035234 /root/gtk28/test.h
 	<gtk/gtk.h>
 
 1606780433 /root/gtk28/winpe.xpm
diff --git a/Gtk3/gtk28/test.cpp b/Gtk3/gtk28/test.cpp
index 8c1f9d4..9a9181b 100644
--- a/Gtk3/gtk28/test.cpp
+++ b/Gtk3/gtk28/test.cpp
@@ -6,6 +6,7 @@
 
 void print(GtkWidget *widget,gpointer data){
     const gchar *filename;
+    //Use the combo box id to check the selection
     int id=gtk_combo_box_get_active(GTK_COMBO_BOX(data));
     switch(id){
         case 0:
@@ -43,6 +44,7 @@ void config2_activate(GtkWidget *widget,gpointer data){
 }
 
 void InputBox(const gchar *content,const char *filename){
+    //Initalize InputBox
     const gchar *str;
     int response;
     GtkWidget *dialog=gtk_dialog_new();
@@ -53,6 +55,7 @@ void InputBox(const gchar *content,const char *filename){
     gtk_window_set_title(_dialog,"Change config");
     gtk_dialog_add_buttons(dialog1,"Cancel",GTK_RESPONSE_CANCEL,"OK",GTK_RESPONSE_OK,NULL);
 
+    //Get content_area and put entry and label to the dialog
     GtkWidget *content_area=gtk_dialog_get_content_area(GTK_DIALOG(_dialog));
     GtkContainer *_content_area=GTK_CONTAINER(content_area);
     GtkWidget *label=gtk_label_new(" ");
@@ -68,6 +71,7 @@ void InputBox(const gchar *content,const char *filename){
     gtk_container_add(_content_area,entry);
     gtk_widget_show_all(content_area);
     response=gtk_dialog_run(dialog1);
+    //Check the response and update the file with the "OK" Response
     if(response==GTK_RESPONSE_OK){
         str=gtk_entry_get_text(GTK_ENTRY(entry));
         freopen(filename,"w",stdout);
@@ -85,6 +89,7 @@ void entry_activate(GtkWidget *widget,gpointer data){
 }
 
 void MsgBox(const gchar *title,const gchar *msg){
+    //Initalize the MsgBox
     GtkWidget *dialog=gtk_dialog_new();
     GtkWindow *win=GTK_WINDOW(dialog);
     gtk_window_set_default_size(win,300,150);
@@ -92,6 +97,7 @@ void MsgBox(const gchar *title,const gchar *msg){
     gtk_window_set_title(win,title);
     gtk_dialog_add_button(GTK_DIALOG(dialog),"OK",GTK_RESPONSE_OK);
 
+    //Get GtkDialog's content_area and put widgets
     GtkWidget *content_area=gtk_dialog_get_content_area(GTK_DIALOG(dialog));
     GtkContainer *_content_area=GTK_CONTAINER(content_area);
     GtkWidget *label=gtk_label_new(" ");
@@ -105,6 +111,7 @@ void MsgBox(const gchar *title,const gchar *msg){
     label=gtk_label_new(msg);
     hbox.pack_start(label,FALSE,FALSE,5);
 
+    //Add a GtkBox to the dialog and run
     gtk_container_add(_content_area,hbox.hbox);
     gtk_widget_show_all(content_area);
     gtk_dialog_run(GTK_DIALOG(dialog));
diff --git a/Gtk3/gtk28/test.h b/Gtk3/gtk28/test.h
index 2acaac9..82303e0 100644
--- a/Gtk3/gtk28/test.h
+++ b/Gtk3/gtk28/test.h
@@ -1,19 +1,28 @@
 #include <gtk/gtk.h>
 
+//Show config
 void print(GtkWidget *widget,gpointer data);
 
+//Quit application
 void quit(GtkWidget *widget,gpointer data);
 
+//Callback function of "config" menuitem
 void config_activate(GtkWidget *widget,gpointer data);
 
+//Callback function of "config1" menuitem
 void config1_activate(GtkWidget *widget,gpointer data);
 
+//InputBox:Input content and write the content to specificed file
 void InputBox(const gchar *content,const char *filename);
 
+//A callback function of entry "activate" signal
 void entry_activate(GtkWidget *widget,gpointer data);
 
+//MsgBox:Show Message and use a specific title
 void MsgBox(const gchar *title,const gchar *msg);
 
+//Callback function of "config2" menuitem
 void config2_activate(GtkWidget *widget,gpointer data);
 
+//Callback function of "about" menuitem
 void about_activate(GtkWidget *widget,gpointer data);