diff --git a/Log/pswd.log b/Log/pswd.log
new file mode 100644
index 0000000..69117af
--- /dev/null
+++ b/Log/pswd.log
@@ -0,0 +1,5 @@
+
+[ 2024/12/16 3:29:37 ] Failed for Unlock by password: j
+[ 2024/12/16 3:29:37 ] Successed for Unlock by password: j
+[ 2024/12/16 3:31:8 ] Failed for Unlock by password: 2
+[ 2024/12/16 3:31:8 ] Successed for Unlock by password: 3
diff --git a/main.cpp b/main.cpp
new file mode 100644
index 0000000..ac78836
--- /dev/null
+++ b/main.cpp
@@ -0,0 +1,29 @@
+#include "variable.h" //The customize function by self, so used "" for customize-function
+
+int main()
+{
+    if(!std::filesystem::exists(Log_Directory))
+    {   
+        //std::filesystem::create_directories(Log_Directory);  // create the directory
+        if(std::filesystem::create_directories(Log_Directory))
+        {
+            //std::cout  << "Created!";
+        }
+        else
+        {
+            std::cerr << "FILE WAS FAILD TO CREAT, PLEASE TYR AGAING !\n";
+            return 1;   
+        }
+    }
+
+    in.open(Log_file); //start the file first
+    if(!out.is_open()) //if the file which called "Log_file" not start, the code will create for the file which called "pswd.log"
+    { 
+        out.open(Log_file, std::ios::app);
+        out << "[ " << 1900 + ltm->tm_year << "/" << 1 + ltm->tm_mon << "/" << ltm->tm_mday << " " << ltm->tm_hour << ":" << ltm->tm_min << ":" << ltm->tm_sec << " ]" << " Empty Log was created!" << std::endl; //Wrote in pswd.log
+    }
+    in.close();
+    out.close();
+
+    return 0;
+}
\ No newline at end of file
diff --git a/main.exe b/main.exe
new file mode 100644
index 0000000..c04dd64
Binary files /dev/null and b/main.exe differ
diff --git a/variable.h b/variable.h
new file mode 100644
index 0000000..c67c826
--- /dev/null
+++ b/variable.h
@@ -0,0 +1,27 @@
+#include <iostream>
+#include <fstream> // Only can used create file but if file path not exists it will faild for action
+#include <iomanip> // IO format setup
+#include <filesystem> // Create file Path if doesn't exist,but it can't write the files  
+#include <ctime> // system time
+#include <windows.h> //Windows API
+//#include <unistd.h> //Unix and Linux API
+
+//std::string log_File_Path = "file_log.log";
+std::ifstream in;
+std::ofstream out;
+
+time_t log_wrote_time = time(0); //Get the time from now
+struct tm *ltm = localtime(&log_wrote_time); //Get the structure from time of local
+
+std::string Log_Directory = "./Log/";
+std::string Log_file = Log_Directory + "pswd.log";
+
+std::string str_password = ""; //saved password
+std::string check_str_password = ""; //check password
+int times_for_locked = 3; //3 times for opportunity and for try to lock the secure-lock 
+char option; // CLI of option 
+/*
+ Note:
+ "return 0" is normal status
+ "return 1" is error status
+*/ 
\ No newline at end of file
diff --git a/while.cpp b/while.cpp
new file mode 100644
index 0000000..a757783
--- /dev/null
+++ b/while.cpp
@@ -0,0 +1,81 @@
+#include "variable.h"
+
+int main()
+{
+    while(true)
+    {
+        //CLI initialize
+        std::cout << "---------------------------------" << std::endl;
+        std::cout << "             Options             " << std::endl;
+        std::cout << "---------------------------------" << std::endl;
+        std::cout << "(1). Exit" << std::endl;
+        std::cout << "(2). Save the password " << std::endl;  //save the password and it will write "log" for record password wrote
+        std::cout << "(3). Test unlock current password" << std::endl; //Test and it will to save "Success-log" and "Faild-log"
+        std::cout << "---------------------------------" << std::endl;
+        std::cout << "[Enter]: ";
+        //Enter select
+        std::cin >> option;
+        
+        //start to judge
+        if(option == '1')
+        {
+            exit(1); //End the program
+        }
+        else if(option == '2')
+        {
+            system("cls"); // Windows API
+            std::cout << "[Enter the new password]: ";
+            std::cin >> str_password;
+            out.open(Log_file, std::ios::app);
+            out << "[ " << 1900 + ltm->tm_year << "/" << 1 + ltm->tm_mon << "/" << ltm->tm_mday << " " << ltm->tm_hour << ":" << ltm->tm_min << ":" << ltm->tm_sec << " ] " << "New password created: " << str_password << std::endl; //Wrote into pswd.log
+            out.close();
+            system("cls");
+        }
+        else if(option == '3')
+        {
+            system("cls");
+            std::cout << "[Enter the current password]: ";
+            std::cin >> check_str_password;
+            if(check_str_password == str_password)
+            {
+                std::cout << "Successed!" << std::endl;
+                out.open(Log_file, std::ios::app);
+                out << "[ " << 1900 + ltm->tm_year << "/" << 1 + ltm->tm_mon << "/" << ltm->tm_mday << " " << ltm->tm_hour << ":" << ltm->tm_min << ":" << ltm->tm_sec << " ] " << "Successed for Unlock by password: " << check_str_password << std::endl; //Wrote into pswd.log
+                out.close();
+                system("cls");
+            }
+            else
+            {   
+                out.open(Log_file, std::ios::app);
+                out << "[ " << 1900 + ltm->tm_year << "/" << 1 + ltm->tm_mon << "/" << ltm->tm_mday << " " << ltm->tm_hour << ":" << ltm->tm_min << ":" << ltm->tm_sec << " ] " << "Failed for Unlock by password: " << check_str_password << std::endl; //Wrote into pswd.log
+                out.close();
+                while(true)
+                {
+                    if(times_for_locked == 0){
+                        exit(1);
+                    }
+                    if(times_for_locked == 1){
+                        std::cout << "WARNING! THE LAST CHANCE FOR ENTER PASSWORD, IF ENTER WRONG PASSWORD AGAIN, THE PROGRAM WILL CLOSED!" << std::endl;
+                    }
+                    std::cout << "FAILED! WRONG PASSWORD!" << std::endl << "PLEASE ENTER IN AGAIN: ";
+                    std::cin >> check_str_password;
+                    system("cls");
+                    if(check_str_password == check_str_password) 
+                    {
+                        break;
+                    }
+                    times_for_locked = times_for_locked - 1; //reduse the times with 1
+                    out.open(Log_file, std::ios::app);
+                    out << "[ " << 1900 + ltm->tm_year << "/" << 1 + ltm->tm_mon << "/" << ltm->tm_mday << " " << ltm->tm_hour << ":" << ltm->tm_min << ":" << ltm->tm_sec << " ] " << "Failed for Unlock by password: " << check_str_password << std::endl; //Wrote into pswd.log
+                    out.close();    
+                }
+                std::cout << "Successed!" << std::endl;
+                out.open(Log_file, std::ios::app);
+                out << "[ " << 1900 + ltm->tm_year << "/" << 1 + ltm->tm_mon << "/" << ltm->tm_mday << " " << ltm->tm_hour << ":" << ltm->tm_min << ":" << ltm->tm_sec << " ] " << "Successed for Unlock by password: " << check_str_password << std::endl; //Wrote into pswd.log
+                out.close();
+                system("cls");                 
+            }
+            times_for_locked = 3; //regive the value
+        }
+    }
+}
\ No newline at end of file
diff --git a/while.exe b/while.exe
new file mode 100644
index 0000000..c467f70
Binary files /dev/null and b/while.exe differ