diff --git a/src/main/java/com/example/demo/app/domain/service/AllocationService.java b/src/main/java/com/example/demo/app/domain/service/AllocationService.java
index 753a356..1f922cc 100644
--- a/src/main/java/com/example/demo/app/domain/service/AllocationService.java
+++ b/src/main/java/com/example/demo/app/domain/service/AllocationService.java
@@ -8,6 +8,4 @@ public interface AllocationService {
 	
 	public List<AllocationModel> findAll();
 	
-	public List<AllocationModel> save(List<AllocationModel> allocationModelList);
-
 }
diff --git a/src/main/java/com/example/demo/app/domain/service/CourseService.java b/src/main/java/com/example/demo/app/domain/service/CourseService.java
index f49459c..a7cbd11 100644
--- a/src/main/java/com/example/demo/app/domain/service/CourseService.java
+++ b/src/main/java/com/example/demo/app/domain/service/CourseService.java
@@ -3,6 +3,7 @@ package com.example.demo.app.domain.service;
 import java.util.List;
 
 import com.example.demo.app.domain.model.CourseModel;
+import com.example.demo.app.presentation.form.AllocationFormList;
 
 public interface CourseService {
 	
@@ -12,12 +13,14 @@ public interface CourseService {
 	
 	public Long findByName(String courName);
 	
-	public CourseModel save(CourseModel courseModel, Long userId);
+	public CourseModel save(CourseModel courseModel, Long userId, AllocationFormList allocationFormList);
 
 	public List<CourseModel> findAllByUserId(Long userId);
 	
 	public List<CourseModel> findAllByNull();
 
+	public String deleteCourse(Long courseId, Long userId);
+	
 }
 
 
diff --git a/src/main/java/com/example/demo/app/domain/service/impl/AllocationServiceImpl.java b/src/main/java/com/example/demo/app/domain/service/impl/AllocationServiceImpl.java
index 5f18d33..d2d836c 100644
--- a/src/main/java/com/example/demo/app/domain/service/impl/AllocationServiceImpl.java
+++ b/src/main/java/com/example/demo/app/domain/service/impl/AllocationServiceImpl.java
@@ -1,6 +1,5 @@
 package com.example.demo.app.domain.service.impl;
 
-import java.util.ArrayList;
 import java.util.List;
 
 import org.springframework.stereotype.Service;
@@ -26,26 +25,5 @@ public class AllocationServiceImpl implements AllocationService {
 		return AllocationEntity.createAllocationModelList(allocationRepository.findAll());
 	}
 
-	public List<AllocationModel> save(List<AllocationModel> allocationModelList) {
-
-		List<AllocationEntity> allocationEntityList = new ArrayList<>();
-
-		allocationModelList.forEach(allocationModel -> {
-			allocationEntityList.add(
-					AllocationModel.convertTo(
-							categoryRepository.findById(allocationModel.getCategoryId()).get(),
-							courseRepository.findById(allocationModel.getCourseId()).get(),
-							allocationModel.getAllocationRatio()));
-
-		});
-
-		List<AllocationModel> result = new ArrayList<>();
-		for (AllocationEntity allocationEntity : allocationEntityList) {
-			result.add(AllocationModel.convertFrom(allocationRepository.save(allocationEntity)));
-		}
-
-		
-		return result;
-	}
 
 }
diff --git a/src/main/java/com/example/demo/app/domain/service/impl/CourseServiceImpl.java b/src/main/java/com/example/demo/app/domain/service/impl/CourseServiceImpl.java
index cdba07c..59e0f99 100644
--- a/src/main/java/com/example/demo/app/domain/service/impl/CourseServiceImpl.java
+++ b/src/main/java/com/example/demo/app/domain/service/impl/CourseServiceImpl.java
@@ -7,14 +7,19 @@ import jakarta.transaction.Transactional;
 
 import org.springframework.stereotype.Service;
 
+import com.example.demo.app.domain.model.AllocationModel;
 import com.example.demo.app.domain.model.CourseModel;
 import com.example.demo.app.domain.service.CourseService;
+import com.example.demo.app.infra.entity.AllocationEntity;
 import com.example.demo.app.infra.entity.CourseEntity;
 import com.example.demo.app.infra.entity.CourseOwnerEntity;
 import com.example.demo.app.infra.entity.UserEntity;
+import com.example.demo.app.infra.repository.AllocationRepository;
+import com.example.demo.app.infra.repository.CategoryRepository;
 import com.example.demo.app.infra.repository.CourseOwnerRepository;
 import com.example.demo.app.infra.repository.CourseRepository;
 import com.example.demo.app.infra.repository.UserRepository;
+import com.example.demo.app.presentation.form.AllocationFormList;
 
 import lombok.RequiredArgsConstructor;
 
@@ -22,53 +27,121 @@ import lombok.RequiredArgsConstructor;
 @RequiredArgsConstructor
 public class CourseServiceImpl implements CourseService {
 
+	private final AllocationRepository allocationRepository;
+
 	private final CourseRepository courseRepository;
 	private final UserRepository userRepository;
 	private final CourseOwnerRepository courseOwnerRepository;
-	
-	public List<CourseModel> findAll(){
-		
+	private final CategoryRepository categoryRepository;
+
+	public List<CourseModel> findAll() {
+
 		return CourseEntity.createCourseModelList(courseRepository.findAll());
 	}
-	
-	public List<CourseModel> findAllByUserId(Long userId) { 
-		
+
+	public List<CourseModel> findAllByUserId(Long userId) {
+
 		return CourseModel.convertFrom(courseRepository.findAllByUserId(userId));
 	}
-	
+
 	public List<CourseModel> findAllByNull() {
 		return CourseModel.convertFrom(courseRepository.findAllByNull());
 	}
-	
+
 	public CourseModel findById(Long courseId) {
 		return CourseModel.convertFrom(courseRepository.findByCourseId(courseId));
 	}
-	
+
 	public Long findByName(String courseName) {
 		return courseRepository.findByCourseName(courseName).getCourseId();
 	}
-	
+
 	@Transactional
-	public CourseModel save(CourseModel courseModel, Long userId) {
-		
-		 List<UserEntity> userEntityList = new ArrayList<>();
-		 userEntityList.add(userRepository.findById(userId).get());
-		CourseEntity result = courseRepository.save( CourseModel.convertTo(courseModel));
-		
+	public CourseModel save(CourseModel courseModel, Long userId, AllocationFormList allocationFormList) {
+
+		List<UserEntity> userEntityList = new ArrayList<>();
+		userEntityList.add(userRepository.findById(userId).get());
+		CourseEntity result = courseRepository.save(CourseModel.convertTo(courseModel));
+
+		List<AllocationModel> allocationModelList = new ArrayList<>();
+
+		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId4(),
+				result.getCourseId(),
+				allocationFormList.getAllocationRatio4()));
+		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId5(),
+				result.getCourseId(),
+				allocationFormList.getAllocationRatio5()));
+		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId6(),
+				result.getCourseId(),
+				allocationFormList.getAllocationRatio6()));
+		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId7(),
+				result.getCourseId(),
+				allocationFormList.getAllocationRatio7()));
+		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId8(),
+				result.getCourseId(),
+				allocationFormList.getAllocationRatio8()));
+		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId9(),
+				result.getCourseId(),
+				allocationFormList.getAllocationRatio9()));
+		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId10(),
+				result.getCourseId(),
+				allocationFormList.getAllocationRatio10()));
+		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId11(),
+				result.getCourseId(),
+				allocationFormList.getAllocationRatio11()));
+
+		allocationModelList.stream().forEach(allocation -> {
+			System.out.println(allocation.getCourseId());
+		});
+
 		UserEntity user = userRepository.findById(userId).orElse(null);
-		
+
 		user.setCourseEntity(result);
-		
+
 		UserEntity userResult = userRepository.save(user);
-		
+
 		CourseOwnerEntity courseOwnerEntity = new CourseOwnerEntity();
 		courseOwnerEntity.setUserEntity(userResult);
 		courseOwnerEntity.setCourseEntity(result);
-		
+
 		courseOwnerRepository.save(courseOwnerEntity);
-		
+
+		List<AllocationEntity> allocationEntityList = new ArrayList<>();
+
+		allocationModelList.forEach(allocationModel -> {
+			allocationEntityList.add(
+					AllocationModel.convertTo(
+							categoryRepository.findById(allocationModel.getCategoryId()).get(),
+							courseRepository.findById(allocationModel.getCourseId()).get(),
+							allocationModel.getAllocationRatio()));
+
+		});
+
+		List<AllocationModel> resultList = new ArrayList<>();
+		for (AllocationEntity allocationEntity : allocationEntityList) {
+			resultList.add(AllocationModel.convertFrom(allocationRepository.save(allocationEntity)));
+		}
+
 		return CourseModel.convertFrom(result);
-		
-		
+
+	}
+
+	@Transactional
+	public String deleteCourse(Long courseId, Long userId) {
+
+		UserEntity userEntity = userRepository.findById(userId).orElse(null);
+		System.out.println("***********************ここでエラー1");
+		if (userEntity.getCourseEntity().getCourseId() == courseId) {
+			return "selected";
+		}
+		System.out.println("***********************ここでエラー2");
+		allocationRepository.deleteByCourseId(courseId);
+		System.out.println("***********************ここでエラー3");
+		courseOwnerRepository.deleteByCourseId(courseId);
+		System.out.println("***********************ここでエラー4");
+		courseRepository.deleteById(courseId);
+		System.out.println("***********************ここでエラー5");
+		return "ok";
+
 	}
 }
diff --git a/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java b/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java
index 28656c2..9546e16 100644
--- a/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java
+++ b/src/main/java/com/example/demo/app/infra/repository/AllocationRepository.java
@@ -3,6 +3,7 @@ package com.example.demo.app.infra.repository;
 import java.util.List;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 
 import com.example.demo.app.domain.model.CourseInfoModel;
@@ -28,5 +29,9 @@ public interface AllocationRepository extends JpaRepository<AllocationEntity, Al
 			+ " ORDER BY a.courseEntity.courseId ASC, "
 			+ " a.categoryEntity.categoryId ASC ")
 	List<CourseInfoModel> findAllJoinedAllocation();
+	
+	@Modifying
+	@Query("delete from AllocationEntity a where a.courseEntity.courseId = :courseId")
+	void deleteByCourseId(Long courseId);
 
 }
diff --git a/src/main/java/com/example/demo/app/infra/repository/CourseOwnerRepository.java b/src/main/java/com/example/demo/app/infra/repository/CourseOwnerRepository.java
index 0d387cc..0f0cee9 100644
--- a/src/main/java/com/example/demo/app/infra/repository/CourseOwnerRepository.java
+++ b/src/main/java/com/example/demo/app/infra/repository/CourseOwnerRepository.java
@@ -1,9 +1,15 @@
 package com.example.demo.app.infra.repository;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Modifying;
+import org.springframework.data.jpa.repository.Query;
 
 import com.example.demo.app.infra.entity.CourseOwnerEntity;
 
 public interface CourseOwnerRepository extends JpaRepository<CourseOwnerEntity, Long>{
 
+	@Modifying
+	@Query("delete from CourseOwnerEntity c where c.courseEntity.courseId = :courseId")
+	public void deleteByCourseId(Long courseId);
+	
 }
diff --git a/src/main/java/com/example/demo/app/presentation/controller/CourseController.java b/src/main/java/com/example/demo/app/presentation/controller/CourseController.java
index a9b92e4..7f047ba 100644
--- a/src/main/java/com/example/demo/app/presentation/controller/CourseController.java
+++ b/src/main/java/com/example/demo/app/presentation/controller/CourseController.java
@@ -13,7 +13,6 @@ import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestParam;
 
 import com.example.demo.aop.aspect.SessionCheck;
-import com.example.demo.app.domain.model.AllocationModel;
 import com.example.demo.app.domain.model.CourseModel;
 import com.example.demo.app.domain.model.LoginModel;
 import com.example.demo.app.domain.service.AllocationService;
@@ -111,48 +110,44 @@ public class CourseController {
 
 		LoginModel loginUser = (LoginModel) session.getAttribute(SessionKeyword.LOGIN_USER);
 
-		CourseForm form = CourseForm
-				.convertFrom(courseService.save(CourseForm.convertTo(courseForm), loginUser.getUserId()));
-
-		session.setAttribute(PageReturnAttributeKeyword.COURSE_ID, form.getCourseId());
+		model.addAttribute("courseForm", courseForm);
 
 		return TransitionTargetPageNameKeyword.COURSE_CREATE_RATIO_HTML;
 	}
 
 	@SessionCheck
 	@PostMapping(TransitionTargetPageNameKeyword.COURSE_CREATE)
-	public String createCoursePost(@ModelAttribute AllocationFormList allocationFormList, HttpSession session) {
+	public String createCoursePost(@ModelAttribute CourseForm courseForm,
+			@ModelAttribute AllocationFormList allocationFormList, HttpSession session) {
+		LoginModel loginUser = (LoginModel) session.getAttribute(SessionKeyword.LOGIN_USER);
 
-		List<AllocationModel> allocationModelList = new ArrayList<>();
-
-		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId4(),
-				(Long) session.getAttribute(PageReturnAttributeKeyword.COURSE_ID),
-				allocationFormList.getAllocationRatio4()));
-		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId5(),
-				(Long) session.getAttribute(PageReturnAttributeKeyword.COURSE_ID),
-				allocationFormList.getAllocationRatio5()));
-		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId6(),
-				(Long) session.getAttribute(PageReturnAttributeKeyword.COURSE_ID),
-				allocationFormList.getAllocationRatio6()));
-		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId7(),
-				(Long) session.getAttribute(PageReturnAttributeKeyword.COURSE_ID),
-				allocationFormList.getAllocationRatio7()));
-		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId8(),
-				(Long) session.getAttribute(PageReturnAttributeKeyword.COURSE_ID),
-				allocationFormList.getAllocationRatio8()));
-		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId9(),
-				(Long) session.getAttribute(PageReturnAttributeKeyword.COURSE_ID),
-				allocationFormList.getAllocationRatio9()));
-		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId10(),
-				(Long) session.getAttribute(PageReturnAttributeKeyword.COURSE_ID),
-				allocationFormList.getAllocationRatio10()));
-		allocationModelList.add(new AllocationModel(allocationFormList.getCategoryId11(),
-				(Long) session.getAttribute(PageReturnAttributeKeyword.COURSE_ID),
-				allocationFormList.getAllocationRatio11()));
-
-		allocationService.save(allocationModelList);
+		courseService.save(CourseForm.convertTo(courseForm), loginUser.getUserId(), allocationFormList);
 
 		return TransitionTargetPageNameKeyword.REDIRECT + TransitionTargetPageNameKeyword.COURSE;
 	}
 
+	@SessionCheck
+	@PostMapping("/course/delete")
+	public String createCoursePost(@RequestParam Long courseId, HttpSession session, Model model) {
+
+		LoginModel loginUser = (LoginModel) session.getAttribute(SessionKeyword.LOGIN_USER);
+
+		System.out.println("**********************cousrId: " + courseId);
+		String condition = courseService.deleteCourse(courseId, loginUser.getUserId());
+
+		if (condition.equals("selected")) {
+
+			model.addAttribute("message", "適用中のコースは選べません");
+
+			return TransitionTargetPageNameKeyword.REDIRECT + TransitionTargetPageNameKeyword.COURSE;
+
+		} else if (condition.equals("ok")) {
+			return TransitionTargetPageNameKeyword.REDIRECT + TransitionTargetPageNameKeyword.COURSE;
+		}
+		model.addAttribute("message", "エラーが発生しました");
+
+		return TransitionTargetPageNameKeyword.REDIRECT + TransitionTargetPageNameKeyword.COURSE;
+
+	}
+
 }
\ No newline at end of file
diff --git a/src/main/java/com/example/demo/app/presentation/controller/TransactionController.java b/src/main/java/com/example/demo/app/presentation/controller/TransactionController.java
index 7a0f253..d1e79fb 100644
--- a/src/main/java/com/example/demo/app/presentation/controller/TransactionController.java
+++ b/src/main/java/com/example/demo/app/presentation/controller/TransactionController.java
@@ -297,6 +297,23 @@ public class TransactionController {
 				transactionService.findMoneyRecord(transactionId),
 				CategoryForm.convertFrom(categoryService.findByTransactionId(transactionId)).getTransactionType());
 
+		List<CategoryForm> expenseList = new ArrayList<CategoryForm>();
+
+		List<CategoryForm> incomeList = new ArrayList<CategoryForm>();
+
+		for (CategoryForm categoryForm : categoryFormList) {
+
+			if (categoryForm.getTransactionType() == 0) {
+				expenseList.add(categoryForm);
+			} else {
+				incomeList.add(categoryForm);
+			}
+
+		}
+
+		model.addAttribute(PageReturnAttributeKeyword.EXPENSE_LIST, expenseList);
+		model.addAttribute(PageReturnAttributeKeyword.INCOME_LIST, incomeList);
+		
 		model.addAttribute(PageReturnAttributeKeyword.TRANSACTION_ID, transactionId);
 
 		model.addAttribute(PageReturnAttributeKeyword.TRANSACTION_FORM, transactionForm);
@@ -304,6 +321,8 @@ public class TransactionController {
 		model.addAttribute(PageReturnAttributeKeyword.CATEGORY_FORM_LIST, categoryFormList);
 
 		model.addAttribute(PageReturnAttributeKeyword.TODAY, today);
+		
+		session.setAttribute(SessionKeyword.T_TYPE, transactionForm.getTransactionType());
 
 		return TransitionTargetPageNameKeyword.TRANSACTION_UPDATE_HTML;
 
diff --git a/src/main/resources/templates/course_create_ratio.html b/src/main/resources/templates/course_create_ratio.html
index ad7df48..2af2034 100644
--- a/src/main/resources/templates/course_create_ratio.html
+++ b/src/main/resources/templates/course_create_ratio.html
@@ -24,60 +24,66 @@
 
 					<div class="mb-3">
 						<label class="form-label" for="allocationRatio4">固定費</label>
-						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()" id="allocationRatio4" th:field="*{allocationRatio4}" required>
+						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()"
+							id="allocationRatio4" th:field="*{allocationRatio4}" required>
 					</div>
 
 					<br>
 
 					<div class="mb-3">
 						<label class="form-label" for="allocationRatio5">食費</label>
-						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()" id="allocationRatio5" th:field="*{allocationRatio5}" required>
+						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()"
+							id="allocationRatio5" th:field="*{allocationRatio5}" required>
 					</div>
 
 					<br>
 
 					<div class="mb-3">
 						<label class="form-label" for="allocationRatio6">交通費</label>
-						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()" id="allocationRatio6" th:field="*{allocationRatio6}" required>
+						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()"
+							id="allocationRatio6" th:field="*{allocationRatio6}" required>
 					</div>
 
 					<br>
 
 					<div class="mb-3">
 						<label class="form-label" for="allocationRatio7">日用品費</label>
-						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()" id="allocationRatio7" th:field="*{allocationRatio7}" required>
+						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()"
+							id="allocationRatio7" th:field="*{allocationRatio7}" required>
 					</div>
 
 					<br>
 
 					<div class="mb-3">
 						<label class="form-label" for="allocationRatio8">被服/美容費</label>
-						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()" id="allocationRatio8" th:field="*{allocationRatio8}" required>
+						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()"
+							id="allocationRatio8" th:field="*{allocationRatio8}" required>
 					</div>
 
 					<br>
 
 					<div class="mb-3">
 						<label class="form-label" for="allocationRatio9">医療費</label>
-						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()" id="allocationRatio9" th:field="*{allocationRatio9}" required>
+						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()"
+							id="allocationRatio9" th:field="*{allocationRatio9}" required>
 					</div>
 
 					<br>
 
 					<div class="mb-3">
 						<label class="form-label" for="allocationRatio10">趣味/娯楽費</label>
-						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()" id="allocationRatio10"
-							th:field="*{allocationRatio10}" required>
+						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()"
+							id="allocationRatio10" th:field="*{allocationRatio10}" required>
 					</div>
 
 					<br>
 
 					<div class="mb-3">
 						<label class="form-label" for="allocationRatio11">その他</label>
-						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()" id="allocationRatio11"
-							th:field="*{allocationRatio11}" required>
+						<input class="form-control" type="number" min="0" max="100" onchange="inputChange()"
+							id="allocationRatio11" th:field="*{allocationRatio11}" required>
 					</div>
-					
+
 					<div class="mb-3">
 						<label class="form-label" for="allocationRatioTotal">合計(%)</label>
 						<input class="form-control" type="number" value="0" id="allocationRatioTotal" readonly>
@@ -88,32 +94,40 @@
 						<button type="submit" class="btn btn-primary" id="submit" disabled="true">登録</button>
 
 					</div>
-				</form>
+
+					<span th:object="${courseForm}">
+
+						<input type="hidden" id="courseName" th:field="*{courseName}" required>
+						<br>
+
+						<input type="hidden" id="description" th:field="*{description}">
+					</span>
 			</div>
 		</div>
 	</div>
+	</div>
 
 	<div th:replace="~{footer :: footer}"></div>
-	
+
 	<script>
-		
-		function inputChange(){
-			let total=0;
-			
-			for(let i=4; i<=11; i++){
+
+		function inputChange() {
+			let total = 0;
+
+			for (let i = 4; i <= 11; i++) {
 				total += Number(document.getElementById(`allocationRatio${i}`).value || 0);
-				if(total == 100){
+				if (total == 100) {
 					document.getElementById('submit').disabled = false;
-				}else{
+				} else {
 					document.getElementById('submit').disabled = true;
 				}
 			}
-			
-			
+
+
 			document.getElementById("allocationRatioTotal").value = total;
-			
+
 		}
-		
+
 	</script>
 
 </body>
diff --git a/src/main/resources/templates/select_course.html b/src/main/resources/templates/select_course.html
index 7eea6ee..e2a5b43 100644
--- a/src/main/resources/templates/select_course.html
+++ b/src/main/resources/templates/select_course.html
@@ -23,6 +23,13 @@
 	    </th:block>
 	
 	<form th:action="${mode == 'regist'} ? @{/user/register/return}: @{/change}" method="post">
+	<th:block th:if="${mode == 'change'}">
+		<form th:action="@{/course/create}" method="get">
+			<button type="submit">新規登録</button>
+		</form>
+
+	</th:block>
+	<form th:action="${mode == 'regist'} ? @{/user/register/return}: @{/change}" id="totalForm" method="post">
 		<button type="submit" class="btn btn-primary w-100">確定</button>
 
 		<div class="accordion" id="accordionExample">
@@ -35,6 +42,8 @@
 						aria-controls="'collapse' + ${course.courseId}">
 						<span th:text="${course.courseName}"></span>
 					</button>
+					<p style="width: 120px;"><button type="button" class="btn btn-danger w-100"
+							th:attr="data-course-id=${course.courseId}" onclick="deleteCourse(this)">削除</button></p>
 				</h2>
 				<div th:id="'collapse' + ${course.courseId}" class="accordion-collapse collapse"
 					data-bs-parent="#accordionExample" style="padding-bottom: 120px;">
@@ -62,6 +71,43 @@
 		<div th:replace="~{footer :: footer}"></div>
 	</th:block>
 
+	<script th:inline="javascript">
+
+		const message = /*[[${message}]]*/ null;
+
+		if (message != null) {
+			alert(message);
+		}
+
+		function deleteCourse(button) {
+
+			const courseId = button.dataset.courseId;
+
+			const totalForm = document.getElementById("totalForm");
+
+			const input = document.createElement("input");
+
+			const radioButtons = totalForm.querySelectorAll('input[name="courseId"]');
+			radioButtons.forEach(radio => {
+				radio.disabled = true;
+			});
+
+			input.type = "hidden";
+			input.name = "courseId";
+			input.value = courseId;
+
+			totalForm.appendChild(input);
+
+			totalForm.action = "/course/delete";
+			totalForm.method = "post";
+			courseId.value = courseId;
+
+			totalForm.submit();
+		}
+
+
+	</script>
+
 	<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.7/dist/js/bootstrap.bundle.min.js"></script>
 </body>
 
diff --git a/src/main/resources/templates/transaction_create.html b/src/main/resources/templates/transaction_create.html
index 53e3bd3..0c818e9 100644
--- a/src/main/resources/templates/transaction_create.html
+++ b/src/main/resources/templates/transaction_create.html
@@ -113,58 +113,66 @@
 
 	<div th:replace="~{footer :: footer}"></div>
 
-	<script inline="javascript">
-		const transactionType = document.getElementById("transactionType");
-		const categoryId = document.getElementById("categoryId");
+	<script th:inline="javascript">
+			const transactionType = document.getElementById("transactionType");
+			const categoryId = document.getElementById("categoryId");
 
-		const expenseList = document.getElementsByClassName("expenseListClass");
-		const incomeList = document.getElementsByClassName("incomeListClass");
+			const expenseList = document.getElementsByClassName("expenseListClass");
+			const incomeList = document.getElementsByClassName("incomeListClass");
 
-		const tType = '[[${session.tType}]]';
-		
-		if (tType == "0") {
-			transactionType.value = 0;
-		} else if (tType == "1") {
-			transactionType.value = 1;
-		}
-		
-		
-		transactionType.addEventListener("change", function () {
+			const tType = '[[${session.tType}]]';
+			
+			function toggleCategory() {
 
-			if (this.value === "0") {
+			    if (transactionType.value === "0") {
 
-				for (let i = 0; i < expenseList.length; i++) {
-					expenseList[i].style.display = "";
-				}
+			        for (let i = 0; i < expenseList.length; i++) {
+			            expenseList[i].style.display = "";
+			        }
 
-				for (let i = 0; i < incomeList.length; i++) {
-					incomeList[i].style.display = "none";
-				}
+			        for (let i = 0; i < incomeList.length; i++) {
+			            incomeList[i].style.display = "none";
+			        }
 
-			} else if (this.value === "1") {
+			    } else if (transactionType.value === "1") {
 
-				for (let i = 0; i < expenseList.length; i++) {
-					expenseList[i].style.display = "none";
-				}
+			        for (let i = 0; i < expenseList.length; i++) {
+			            expenseList[i].style.display = "none";
+			        }
 
-				for (let i = 0; i < incomeList.length; i++) {
-					incomeList[i].style.display = "";
-				}
+			        for (let i = 0; i < incomeList.length; i++) {
+			            incomeList[i].style.display = "";
+			        }
 
-			} else {
+			    } else {
 
-				for (let i = 0; i < expenseList.length; i++) {
-					expenseList[i].style.display = "none";
-				}
+					for (let i = 0; i < expenseList.length; i++) {
+						expenseList[i].style.display = "none";
+					}
 
-				for (let i = 0; i < incomeList.length; i++) {
-					incomeList[i].style.display = "none";
+					for (let i = 0; i < incomeList.length; i++) {
+						incomeList[i].style.display = "none";
+					}
 				}
 			}
 
-			categoryId.value = "";
-		});
-	</script>
+			transactionType.addEventListener("change", function () {
+
+			    toggleCategory();
+
+			    categoryId.value = "";
+
+			});
+			
+			if (tType == "0") {
+				transactionType.value = "0";
+			} else if (tType == "1") {
+				transactionType.value = "1";
+			}
+			
+			toggleCategory();
+			
+		</script>
 
 
 </body>
diff --git a/src/main/resources/templates/transaction_update.html b/src/main/resources/templates/transaction_update.html
index 3817ee4..845047c 100644
--- a/src/main/resources/templates/transaction_update.html
+++ b/src/main/resources/templates/transaction_update.html
@@ -83,21 +83,36 @@
                             カテゴリ
                         </label>
 
-                        <select id="categoryId"
-                                class="form-select"
-                                th:field="*{categoryId}"
-								required>
+<!--                        <select id="categoryId"-->
+<!--                                class="form-select"-->
+<!--                                th:field="*{categoryId}"-->
+<!--								required>-->
 
-                            <option value="">
-                                選択してください
-                            </option>
+<!--                            <option value="">-->
+<!--                                選択してください-->
+<!--                            </option>-->
 
-                            <option th:each="category : ${categoryFormList}"
-                                    th:value="${category.categoryId}"
-                                    th:text="${category.categoryName}">
-                            </option>
+<!--                            <option th:each="category : ${categoryFormList}"-->
+<!--                                    th:value="${category.categoryId}"-->
+<!--                                    th:text="${category.categoryName}">-->
+<!--                            </option>-->
 
-                        </select>
+<!--                        </select>-->
+						<select id="categoryId" class="form-select" th:field="*{categoryId}" required>
+
+							<option value="">
+								選択してください
+							</option>
+
+							<option class="expenseListClass" th:each="category : ${expenseList}"
+								th:value="${category.categoryId}" th:text="${category.categoryName}">
+							</option>
+
+							<option class="incomeListClass" th:each="category : ${incomeList}"
+								th:value="${category.categoryId}" th:text="${category.categoryName}">
+							</option>
+
+						</select>
 
                     </div>
 
@@ -141,6 +156,68 @@
     <div th:replace="~{footer :: footer}">
     </div>
 
+	<script th:inline="javascript">
+		const transactionType = document.getElementById("transactionType");
+		const categoryId = document.getElementById("categoryId");
+
+		const expenseList = document.getElementsByClassName("expenseListClass");
+		const incomeList = document.getElementsByClassName("incomeListClass");
+
+		const tType = '[[${session.tType}]]';
+		
+		function toggleCategory() {
+
+		    if (transactionType.value === "0") {
+
+		        for (let i = 0; i < expenseList.length; i++) {
+		            expenseList[i].style.display = "";
+		        }
+
+		        for (let i = 0; i < incomeList.length; i++) {
+		            incomeList[i].style.display = "none";
+		        }
+
+		    } else if (transactionType.value === "1") {
+
+		        for (let i = 0; i < expenseList.length; i++) {
+		            expenseList[i].style.display = "none";
+		        }
+
+		        for (let i = 0; i < incomeList.length; i++) {
+		            incomeList[i].style.display = "";
+		        }
+
+		    } else {
+
+				for (let i = 0; i < expenseList.length; i++) {
+					expenseList[i].style.display = "none";
+				}
+
+				for (let i = 0; i < incomeList.length; i++) {
+					incomeList[i].style.display = "none";
+				}
+			}
+		}
+
+		transactionType.addEventListener("change", function () {
+
+		    toggleCategory();
+
+		    categoryId.value = "";
+
+		});
+		
+		if (tType == "0") {
+			transactionType.value = "0";
+		} else if (tType == "1") {
+			transactionType.value = "1";
+		}
+		
+		toggleCategory();
+		
+	</script>
+
+	
 </body>
 
 </html>
\ No newline at end of file