diff --git a/Spring-HTML/src/main/java/com/example/demo/controller/MainController.java b/Spring-HTML/src/main/java/com/example/demo/controller/MainController.java
index 1404cb5..bc6363e 100644
--- a/Spring-HTML/src/main/java/com/example/demo/controller/MainController.java
+++ b/Spring-HTML/src/main/java/com/example/demo/controller/MainController.java
@@ -1,42 +1,112 @@
 package com.example.demo.controller;
 
+import java.util.List;
+
+import jakarta.servlet.http.HttpSession;
+
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ModelAttribute;
+import org.springframework.web.bind.annotation.PostMapping;
+
+import com.example.demo.entity.Employee;
+import com.example.demo.form.EmployeeForm;
+import com.example.demo.form.LoginForm;
+import com.example.demo.service.EmployeeService;
 
 @Controller
 public class MainController {
-	@RequestMapping(value = "/",method = RequestMethod.GET)
-	public String loin() {
-		return"login";
-	}
-	@RequestMapping(value = "/doLogin",method = RequestMethod.POST)
-	public String doLoin() {
-		return"menu";
-	}
-	@RequestMapping(value = "/logout",method = RequestMethod.POST)
-	public String logout() {
-		return "login";
-	}
-	@RequestMapping(value = "/select",method = RequestMethod.POST)
-	public String select() {
-		return "select";
-	}
-	@RequestMapping(value = "/back",method = RequestMethod.POST)
-	public String back() {
-		return "menu";
-	}
-	@RequestMapping(value = "/insert",method = RequestMethod.POST)
-	public String insert() {
-		return "insert";
-	}
-	@RequestMapping(value = "/update",method = RequestMethod.POST)
-	public String update() {
-		return "update";
-	}
-	@RequestMapping(value = "/delete",method = RequestMethod.POST)
-	public String delete() {
-		return "delete";
-	}
 
-}
+    @Autowired
+    private HttpSession session;
+
+    @Autowired
+    private EmployeeService employeeService;
+
+    @GetMapping("/")
+    public String login(Model model) {
+        model.addAttribute("loginForm", new LoginForm());
+        return "login";
+    }
+
+    @PostMapping("/doLogin")
+    public String doLogin(@ModelAttribute LoginForm form, Model model) {
+        var employeeOpt = employeeService.login(form.getMail(), form.getPass());
+        if (employeeOpt.isPresent()) {
+            session.setAttribute("login_emp", employeeOpt.get());
+            return "menu";
+        }
+        model.addAttribute("error", "メールアドレスまたはパスワードが違います");
+        return "login";
+    }
+
+    @PostMapping("/logout")
+    public String logout() {
+        session.invalidate(); // Session ကို ဖျက်ပစ်ခြင်း
+        return "redirect:/";
+    }
+
+    @PostMapping("/back")
+    public String back() {
+        return "menu";
+    }
+
+    // --- ရှာဖွေခြင်း (select) ---
+    @PostMapping("/select")
+    public String select(Model model) {
+    	List<Employee> list = employeeService.getAllEmployee();
+        model.addAttribute("employeeList",list);
+        return "select";
+    }
+
+    // --- သစ်ထည့်ခြင်း (insert) ---
+    @PostMapping("/insert")
+    public String insert(Model model) {
+        model.addAttribute("employeeForm", new EmployeeForm());
+        return "insert";
+    }
+
+    @PostMapping("/insertConfirm")
+    public String insertConfirm(@ModelAttribute EmployeeForm form, Model model) {
+        model.addAttribute("employeeForm", form);
+        return "insertConfirm";
+    }
+
+    @PostMapping("/insertResult")
+    public String insertResult(@ModelAttribute EmployeeForm form) {
+        // Form -> Entity သို့ ပြောင်းပြီး Save လုပျရပါမညျ
+        return "insertResult";
+    }
+
+    // --- ပြင်ဆင်ခြင်း (update) ---
+    @PostMapping("/update")
+    public String update(Model model) {
+        model.addAttribute("employeeForm", new EmployeeForm());
+        return "update";
+    }
+
+    @PostMapping("/updateConfirm")
+    public String updateConfirm(@ModelAttribute EmployeeForm form, Model model) {
+        model.addAttribute("employeeForm", form);
+        return "updateConfirm";
+    }
+
+    @PostMapping("/updateResult")
+    public String updateResult(@ModelAttribute EmployeeForm form) {
+        return "updateResult";
+    }
+
+    // --- ဖျက်ဆီးခြင်း (delete) ---
+    @PostMapping("/delete")
+    public String delete() {
+        return "delete";
+    }
+
+    @PostMapping("/deleteResult")
+    public String deleteResult(Integer id) {
+        // employeeService.deleteById(id);
+        return "deleteResult";
+    }
+}
\ No newline at end of file
diff --git a/Spring-HTML/src/main/java/com/example/demo/entity/Employee.java b/Spring-HTML/src/main/java/com/example/demo/entity/Employee.java
new file mode 100644
index 0000000..749ac79
--- /dev/null
+++ b/Spring-HTML/src/main/java/com/example/demo/entity/Employee.java
@@ -0,0 +1,29 @@
+package com.example.demo.entity;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+
+import lombok.Data;
+@Data
+@Entity
+@Table(name="employee")
+public class Employee {
+	@Id
+	@GeneratedValue(strategy = GenerationType.IDENTITY)
+	@Column(name ="id_employee", nullable=false)
+	private Integer idEmployee;
+	@Column(name ="nm_employee", nullable=false)
+	private String nmEmployee;
+	@Column(name ="kn_employee", nullable=false)
+	private String knEmployee;
+	@Column(name ="mail_address", nullable=false)
+	private String mailAddress;
+	@Column(name ="password", nullable=false)
+	private String password;
+	@Column(name ="id_department", nullable=false)
+	private Integer idDepartment;
+}
diff --git a/Spring-HTML/src/main/java/com/example/demo/form/EmployeeForm.java b/Spring-HTML/src/main/java/com/example/demo/form/EmployeeForm.java
new file mode 100644
index 0000000..0164d00
--- /dev/null
+++ b/Spring-HTML/src/main/java/com/example/demo/form/EmployeeForm.java
@@ -0,0 +1,14 @@
+package com.example.demo.form;
+
+
+import lombok.Data;
+
+@Data
+public class EmployeeForm {
+
+	private String nmEmp;
+	
+	private String knEmp;
+	
+
+}
\ No newline at end of file
diff --git a/Spring-HTML/src/main/java/com/example/demo/form/LoginForm.java b/Spring-HTML/src/main/java/com/example/demo/form/LoginForm.java
new file mode 100644
index 0000000..6a00136
--- /dev/null
+++ b/Spring-HTML/src/main/java/com/example/demo/form/LoginForm.java
@@ -0,0 +1,15 @@
+package com.example.demo.form;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class LoginForm {
+	private String mail;
+	private String pass;
+	
+}
+
diff --git a/Spring-HTML/src/main/java/com/example/demo/repsitory/EmployeeRepository.java b/Spring-HTML/src/main/java/com/example/demo/repsitory/EmployeeRepository.java
new file mode 100644
index 0000000..888f131
--- /dev/null
+++ b/Spring-HTML/src/main/java/com/example/demo/repsitory/EmployeeRepository.java
@@ -0,0 +1,12 @@
+package com.example.demo.repsitory;
+
+import java.util.Optional;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+import com.example.demo.entity.Employee;
+
+public interface EmployeeRepository extends JpaRepository<Employee, Integer> {
+	Optional<Employee> findByMailAddressAndPassword(String mail, String pass);
+
+}
diff --git a/Spring-HTML/src/main/java/com/example/demo/service/EmployeeService.java b/Spring-HTML/src/main/java/com/example/demo/service/EmployeeService.java
new file mode 100644
index 0000000..0a760df
--- /dev/null
+++ b/Spring-HTML/src/main/java/com/example/demo/service/EmployeeService.java
@@ -0,0 +1,36 @@
+package com.example.demo.service;
+
+import java.util.List;
+import java.util.Optional;
+
+import jakarta.transaction.Transactional;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import com.example.demo.entity.Employee;
+import com.example.demo.repsitory.EmployeeRepository;
+
+@Service
+@Transactional
+public class EmployeeService {
+	@Autowired
+    private EmployeeRepository employeeRepository;
+
+    // Login စစ်ဆေးခြင်း
+    public Optional<Employee> login(String mail, String pass) {
+        return employeeRepository.findByMailAddressAndPassword(mail, pass);
+    }
+ // အချက်အလက်အားလုံး ရှာဖွေခြင်း
+    public List<Employee> getAllEmployee() {
+        return employeeRepository.findAll();
+    }
+    // အချက်အလက် သိမ်းဆည်းခြင်း / ပြင်ဆင်ခြင်း
+    public Employee save(Employee employee) {
+        return employeeRepository.save(employee);
+    }
+    // အချက်အလက် ဖျက်ဆီးခြင်း
+    public void deleteById(Integer id) {
+        employeeRepository.deleteById(id);
+    }
+}
\ No newline at end of file
diff --git a/Spring-HTML/src/main/resources/templates/delete.html b/Spring-HTML/src/main/resources/templates/delete.html
index 42f9527..513716f 100644
--- a/Spring-HTML/src/main/resources/templates/delete.html
+++ b/Spring-HTML/src/main/resources/templates/delete.html
@@ -1,20 +1,25 @@
 <!DOCTYPE html>
 <html xmlns:th="http://www.thymeleaf.org">
-
 <head>
 	<meta charset="UTF-8">
 	<title>削除ページ</title>
 </head>
-
 <body>
-	<h3>	削除</h3>
+	<h3>削除</h3>
 	<form action="logout" method="post">
 		<input type="submit" value="ログアウト">
 	</form>
+
+	<!-- ID တစ်ခုတည်း ရိုက်ထည့်ရန် Form -->
+	<form action="deleteResult" method="post">
+		<div><label>id: <input type="number" name="idEmployee"></label></div>
+		<br>
+		<input type="submit" value="削除">
+	</form>
+
+	<br>
 	<form action="back" method="post">
 		<input type="submit" value="戻る">
 	</form>
-
 </body>
-
 </html>
\ No newline at end of file
diff --git a/Spring-HTML/src/main/resources/templates/deleteResult.html b/Spring-HTML/src/main/resources/templates/deleteResult.html
new file mode 100644
index 0000000..bf01606
--- /dev/null
+++ b/Spring-HTML/src/main/resources/templates/deleteResult.html
@@ -0,0 +1,20 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+
+<head>
+	<meta charset="UTF-8">
+	<title>削除確認ページ</title>
+</head>
+
+<body>
+	<h3>	削除完了しました。</h3>
+	<form action="logout" method="post">
+		<input type="submit" value="ログアウト">
+	</form>
+	<form action="back" method="post">
+		<input type="submit" value="戻る">
+	</form>
+
+</body>
+
+</html>
\ No newline at end of file
diff --git a/Spring-HTML/src/main/resources/templates/insert.html b/Spring-HTML/src/main/resources/templates/insert.html
index daaf8bb..8ad6e26 100644
--- a/Spring-HTML/src/main/resources/templates/insert.html
+++ b/Spring-HTML/src/main/resources/templates/insert.html
@@ -11,6 +11,17 @@
 	<form action="logout" method="post">
 		<input type="submit" value="ログアウト">
 	</form>
+	<!-- Input Form များ -->
+		<form action="insertConfirm" method="post">
+			<div><label>name: <input type="text" name="nmEmp"></label></div>
+			<div><label>kana: <input type="text" name="knEmp"></label></div>
+			<div><label>mail: <input type="email" name="mail"></label></div>
+			<div><label>pass: <input type="password" name="pass"></label></div>
+			<div><label>id_dep: <input type="number" name="idDepartment"></label></div>
+			<br>
+			<input type="submit" value="登録">
+		</form>
+	<br>
 	<form action="back" method="post">
 		<input type="submit" value="戻る">
 	</form>
diff --git a/Spring-HTML/src/main/resources/templates/insertConfirm.html b/Spring-HTML/src/main/resources/templates/insertConfirm.html
new file mode 100644
index 0000000..22bc43a
--- /dev/null
+++ b/Spring-HTML/src/main/resources/templates/insertConfirm.html
@@ -0,0 +1,17 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+<head>
+<meta charset="UTF-8">
+<title>insert Result</title>
+</head>
+<body>
+	<h3>登録完了しました。</h3>
+		<form action="logout" method="post">
+			<input type="submit" value="ログアウト">
+		</form>
+		<form action="back" method="post">
+				<input type="submit" value="戻る">
+			</form>
+
+</body>
+</html>
\ No newline at end of file
diff --git a/Spring-HTML/src/main/resources/templates/login.html b/Spring-HTML/src/main/resources/templates/login.html
index 23ed56a..6784de0 100644
--- a/Spring-HTML/src/main/resources/templates/login.html
+++ b/Spring-HTML/src/main/resources/templates/login.html
@@ -8,6 +8,8 @@
 
 <body>
 	<form action="doLogin" method="post">
+		<input type="email"name="mail"placeholder="メールアドレス">
+		<input type="password"name="pass"placeholder="パスワード">
 		<input type="submit" value="ログイン">
 
 	</form>
diff --git a/Spring-HTML/src/main/resources/templates/menu.html b/Spring-HTML/src/main/resources/templates/menu.html
index 154de2d..1f5aece 100644
--- a/Spring-HTML/src/main/resources/templates/menu.html
+++ b/Spring-HTML/src/main/resources/templates/menu.html
@@ -21,7 +21,13 @@
 	</form>
 	<form action="delete" method="post">
 	<input type="submit" value="削除">
+	
 	</form>
+	
+	<!-- ログイン者情報の表示（キー名を login_emp に修正） -->
+	<div th:if="${session.login_emp != null}">
+			<span th:text="|ログイン者：${session.login_emp.nmEmployee}|"></span>
+		</div>
 
 </body>
 
diff --git a/Spring-HTML/src/main/resources/templates/select.html b/Spring-HTML/src/main/resources/templates/select.html
index 20351f1..540665e 100644
--- a/Spring-HTML/src/main/resources/templates/select.html
+++ b/Spring-HTML/src/main/resources/templates/select.html
@@ -6,15 +6,32 @@
 	<title>検索ページ</title>
 </head>
 
-<body>
-	<h3>	検索</h3>
+<brbody>
+	<h3> 検索</h3>
 	<form action="logout" method="post">
 		<input type="submit" value="ログアウト">
 	</form>
+
+	<!-- ဇယားဖြင့် အချက်အလက်များ ပြသခြင်း -->
+	<table border="1">
+		<tr>
+			<th>ID</th>
+			<th>名前</th>
+			<th>カナ</th>
+			<th>メールアドレス</th>
+		</tr>
+		<tr th:each="emp : ${employeeList}">
+			<td th:text="${emp.idEmployee}"></td>
+			<td th:text="${emp.nmEmployee}"></td>
+			<td th:text="${emp.knEmployee}"></td>
+			<td th:text="${emp.mailAddress}"></td>
+		</tr>
+	</table>
+	<br>
 	<form action="back" method="post">
 		<input type="submit" value="戻る">
 	</form>
 
-</body>
+	</body>
 
 </html>
\ No newline at end of file
diff --git a/Spring-HTML/src/main/resources/templates/update.html b/Spring-HTML/src/main/resources/templates/update.html
index 9dd2da8..0e0ce09 100644
--- a/Spring-HTML/src/main/resources/templates/update.html
+++ b/Spring-HTML/src/main/resources/templates/update.html
@@ -11,6 +11,18 @@
 	<form action="logout" method="post">
 		<input type="submit" value="ログアウト">
 	</form>
+	<!-- Input Form များ -->
+		<form action="updateConfirm" method="post">
+			<div><label>id: <input type="number" name="idEmployee"></label></div>
+			<div><label>name: <input type="text" name="nmEmp"></label></div>
+			<div><label>kana: <input type="text" name="knEmp"></label></div>
+			<div><label>mail: <input type="email" name="mail"></label></div>
+			<div><label>pass: <input type="password" name="pass"></label></div>
+			<div><label>id_dep: <input type="number" name="idDepartment"></label></div>
+			<br>
+			<input type="submit" value="更新">
+		</form>
+		<br>
 	<form action="back" method="post">
 		<input type="submit" value="戻る">
 	</form>
diff --git a/Spring-HTML/src/main/resources/templates/updateConfirm.html b/Spring-HTML/src/main/resources/templates/updateConfirm.html
new file mode 100644
index 0000000..c8ef839
--- /dev/null
+++ b/Spring-HTML/src/main/resources/templates/updateConfirm.html
@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html xmlns:th="http://www.thymeleaf.org">
+
+<head>
+	<meta charset="UTF-8">
+	<title>更新ページ</title>
+</head>
+
+<body>
+	<h3>	更新完了しました。</h3>
+	<form action="logout" method="post">
+		<input type="submit" value="ログアウト">
+	</form>
+	<br>
+		<form action="back" method="post">
+			<input type="submit" value="戻る">
+		</form>
+<body>
+
+</body>
+</html>
\ No newline at end of file