[FIX] 所持金がnullに表示されるバグを修正しました。

src/main/java/com/example/demo/app/presentation/controller/GoalController.java

@@ -275,7 +275,9 @@ public class GoalController {
 
 		int currentAmount = goalService.getCurrentAmount(userId);
 
-		model.addAttribute(PageReturnAttributeKeyword.CURRENT_AMOUNT, currentAmount);
+		System.out.println("************************currentAmount : " + currentAmount);
+		
+		session.setAttribute(PageReturnAttributeKeyword.CURRENT_AMOUNT, currentAmount);
 
 		return TransitionTargetPageNameKeyword.GOAL_CREATE_HTML;
 	}
@@ -292,7 +294,7 @@ public class GoalController {
 			model.addAttribute(PageReturnAttributeKeyword.MESSAGE, "現在所持金より高い金額を設定してください。");
 			return TransitionTargetPageNameKeyword.GOAL_CREATE_HTML;
 		}
-
+		
 		return TransitionTargetPageNameKeyword.REDIRECT + TransitionTargetPageNameKeyword.GOAL;
 	}
 

src/main/resources/templates/goal_create.html

@@ -37,7 +37,9 @@
 					<div>
 						<label>目標金額</label>
 						<input type="number" th:field="*{targetAmount}" required min="1">
-						<span th:text="|所持金：${currentAmount}円|"></span>
+						<br>
+						<span th:text="|所持金：${session.currentAmount}円|"></span>
+						<input type="hidden" name="currentAmount" th:value="${currentAmount}">
 						<span th:if="${message != null}">
 							<span th:text="${message}" style="color: red;"></span>
 						</span>