diff --git a/src/main/java/org/ntlab/citrusserver/repositories/ScheduleManager.java b/src/main/java/org/ntlab/citrusserver/repositories/ScheduleManager.java
index 295576a..6b99f95 100644
--- a/src/main/java/org/ntlab/citrusserver/repositories/ScheduleManager.java
+++ b/src/main/java/org/ntlab/citrusserver/repositories/ScheduleManager.java
@@ -1,11 +1,13 @@
 package org.ntlab.citrusserver.repositories;
 
 import org.ntlab.citrusserver.entities.Account;
+import org.ntlab.citrusserver.entities.Book;
 import org.ntlab.citrusserver.entities.Schedule;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Repository;
 
 import java.util.HashMap;
+import java.util.Set;
 
 @Repository
 public class ScheduleManager {
@@ -28,16 +30,20 @@
                     Schedule>>>>> schedules
             = new HashMap<>();
 
-    public void getScheduleAll(String accountId){
+    public HashMap<Integer,HashMap<Integer,HashMap<Integer,HashMap<Integer,Schedule>>>> getScheduleAll(String accountId) {
+        return schedules.get(accountId);
     }
 
-    public void getScheduleYear(String accountId, int year){
+    public HashMap<Integer,HashMap<Integer,HashMap<Integer,Schedule>>> getScheduleYear(String accountId, int year){
+        return schedules.get(accountId).get(year);
     }
 
-    public void getScheduleMonth(String accountId, int year, int month){
+    public HashMap<Integer,HashMap<Integer,Schedule>> getScheduleMonth(String accountId, int year, int month){
+        return schedules.get(accountId).get(year).get(month);
     }
 
-    public void getScheduleDay(String accountId, int year, int month, int day){
+    public HashMap<Integer,Schedule> getScheduleDay(String accountId, int year, int month, int day){
+        return schedules.get(accountId).get(year).get(month).get(day);
     }
 
     public Schedule addSchedule(String accountId, int year, int month, int day, String title, String startTime, String endTime, int bookId){
@@ -70,13 +76,23 @@
         return schedules.get(accountId).get(year).get(month).get(day).get(scheduleId);
     }
 
-    public void deleteSchedule(String accountId, int year, int month, int day, int scheduleId){}
+    public void deleteSchedule(String accountId, int year, int month, int day, int scheduleId){
+        schedules.get(accountId).get(year).get(month).get(day).remove(scheduleId);
+    }
 
-    public void setScheduleStartTime(String accountId, int year, int month, int day, int scheduleId, int oldTime, int newTime){}
+    public void setScheduleStartTime(String accountId, int year, int month, int day, int scheduleId, String newTime){
+        schedules.get(accountId).get(year).get(month).get(day).get(scheduleId).setStartTime(newTime);
+    }
 
-    public void setScheduleEndTime(String accountId, int year, int month, int day, int scheduleId, int oldTime, int newTime){}
+    public void setScheduleEndTime(String accountId, int year, int month, int day, int scheduleId, String newTime){
+        schedules.get(accountId).get(year).get(month).get(day).get(scheduleId).setEndTime(newTime);
+    }
 
-    public void changeScheduleTitle(String accountId, int year, int month, int day, int scheduleId, String oldTitle, String newTitle){}
+    public void changeScheduleTitle(String accountId, int year, int month, int day, int scheduleId, String newTitle){
+        schedules.get(accountId).get(year).get(month).get(day).get(scheduleId).setTitle(newTitle);
+    }
 
-    public void setSchedulesBookId(String accountId, int year, int month, int day, int scheduleId, int newBookId){}
+    public void setSchedulesBookId(String accountId, int year, int month, int day, int scheduleId, int newBookId){
+        schedules.get(accountId).get(year).get(month).get(day).get(scheduleId).setScheduleId(newBookId);
+    }
 }