diff --git a/src/main/java/jp/example/www/dao/MemoappDaoImpl.java b/src/main/java/jp/example/www/dao/MemoappDaoImpl.java
index 2a6d68e..0927438 100644
--- a/src/main/java/jp/example/www/dao/MemoappDaoImpl.java
+++ b/src/main/java/jp/example/www/dao/MemoappDaoImpl.java
@@ -26,8 +26,7 @@ public List<MemoBean> getMemos() {
             Class.forName("com.mysql.cj.jdbc.Driver");
             //con = DriverManager.getConnection(url, user, pass);
             Context initContext = new InitialContext();
-            Context envContext  = (Context)initContext.lookup("java:/comp/env");
-            DataSource ds = (DataSource)envContext.lookup("jdbc/memoapp_db");
+            DataSource ds = (DataSource)initContext.lookup("jdbc/memoapp_db");
             con = ds.getConnection();
             System.out.println("con: " + con);
             smt = con.createStatement();
@@ -70,8 +69,7 @@ public void save(MemoBean memo) {
             Class.forName("com.mysql.cj.jdbc.Driver");
             //con = DriverManager.getConnection(url, user, pass);
             Context initContext = new InitialContext();
-            Context envContext  = (Context)initContext.lookup("java:/comp/env");
-            DataSource ds = (DataSource)envContext.lookup("jdbc/memoapp_db");
+            DataSource ds = (DataSource)initContext.lookup("jdbc/memoapp_db");
             con = ds.getConnection();
             smt = con.createStatement();
             System.out.println("smt: " + smt);