diff --git a/app/src/main/java/com/example/citrusclient/views/HomeFragment.java b/app/src/main/java/com/example/citrusclient/views/HomeFragment.java
index 0b808fe..8c23744 100644
--- a/app/src/main/java/com/example/citrusclient/views/HomeFragment.java
+++ b/app/src/main/java/com/example/citrusclient/views/HomeFragment.java
@@ -105,15 +105,6 @@
     }
 
     @Override
-    public void onSaveInstanceState(@NonNull Bundle outState) {
-        super.onSaveInstanceState(outState);
-        outState.putInt("year", year);
-        outState.putInt("month", month);
-        outState.putInt("day", day);
-    }
-
-
-    @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
@@ -188,9 +179,8 @@
             month = curDate.getMonthValue();
             day = curDate.getDayOfMonth();
             curDateButton.setText(year + "年" + month + "月" + day + "日");
-            scheduleList.clear();
-            scheduleAdapter.setSchedules(scheduleList, integerBookHashMap);
             scheduleAdapter.updateCurDate(curDate);
+            clearTodoSchedule(todoAdapter, scheduleAdapter);
             updateTodoSchedule(integerBookHashMap);
         });
 
@@ -201,11 +191,9 @@
             month = curDate.getMonthValue();
             day = curDate.getDayOfMonth();
             curDateButton.setText(year + "年" + month + "月" + day + "日");
-            scheduleList.clear();
-            scheduleAdapter.setSchedules(scheduleList, integerBookHashMap);
             scheduleAdapter.updateCurDate(curDate);
+            clearTodoSchedule(todoAdapter, scheduleAdapter);
             updateTodoSchedule(integerBookHashMap);
-
         });
 
 
@@ -215,6 +203,7 @@
         booksViewModel.getBookLiveData().observe(getViewLifecycleOwner(), new Observer<HashMap<Integer, Book>>() {
             @Override
             public void onChanged(HashMap<Integer, Book> idBookHashMap) {
+                clearTodoSchedule(todoAdapter, scheduleAdapter);
                 updateTodoSchedule(idBookHashMap);
             }
         });
@@ -259,7 +248,6 @@
         int curBookId = citrus.getCurBookId();
 
         if (idBookHashMap != null) {
-            todoList.clear();
             if(curBookId != -1) {
                 integerBookHashMap = new HashMap<>();
                 Book book = idBookHashMap.get(curBookId);
@@ -275,6 +263,13 @@
         scheduleViewModel.updateSchedulesByDay(accountId, year, month, day, token);
     }
 
+    private void clearTodoSchedule(MyTodoshelfAdapter todoAdapter, MyScheduleshelfAdapter scheduleAdapter) {
+        todoList.clear();
+        todoAdapter.setTodos(todoList, integerBookHashMap);
+        scheduleList.clear();
+        scheduleAdapter.setSchedules(scheduleList, integerBookHashMap);
+    }
+
 
 
     @Override