diff --git a/src/heurams/interface/screens/memorizor.py b/src/heurams/interface/screens/memorizor.py
index 57dbbd6..402bc28 100644
--- a/src/heurams/interface/screens/memorizor.py
+++ b/src/heurams/interface/screens/memorizor.py
@@ -3,6 +3,7 @@ from textual.app import ComposeResult
 from textual.widgets import Header, Footer, Label, Static, Button
 from textual.containers import Center
 from textual.screen import Screen
+from textual.reactive import reactive
 from enum import Enum, auto
 
 from heurams.context import config_var
@@ -33,8 +34,10 @@ class MemScreen(Screen):
         #print(self.phaser.state)
         self.procession: Procession = self.phaser.current_procession() # type: ignore
         #print(self.phaser.state)
+        self.rating = reactive(0)
 
-    def current_widget(self):
+
+    def puzzle_widget(self):
         try:
             self.fission = Fission(self.procession.current_atom, self.phaser.state)
             puzzle_info = next(self.fission.generate())
@@ -49,16 +52,25 @@ class MemScreen(Screen):
         yield Header(show_clock=True)
         with Center():
             yield Static(f"当前进度: {self.procession.process()}/{self.procession.total_length()}")
-        self.mount(self.current_widget()) # type: ignore
+        #self.mount(self.current_widget()) # type: ignore
+        yield Container(id="puzzle-container")
         yield Button("重新学习此单元", id="re-recognize", variant="warning")
         yield Footer()
 
-    def on_mount(self):
-        pass
+    def load_puzzle(self):
+        container = self.query_one("puzzle-container")
+        for i in puz_container.children:
+            i.remove()
+        container.mount(self.puzzle_widget())
 
     def on_button_pressed(self, event):
         event.stop()
-        if 
+
+    def watch_rating(self, old_value, new_value) -> None:
+        forwards = 1 if new_value >= 4 else 0
+        if forwards:
+            self.procession.forward(1)
+        self.load_puzzle()
 
     def action_play_voice(self):
         """朗读当前内容"""
diff --git a/src/heurams/interface/widgets/finished.py b/src/heurams/interface/widgets/finished.py
index 6b142b7..784be46 100644
--- a/src/heurams/interface/widgets/finished.py
+++ b/src/heurams/interface/widgets/finished.py
@@ -1,5 +1,6 @@
 from textual.widgets import (
     Label,
+    Button,
 )
 from textual.widget import Widget
 
@@ -9,4 +10,10 @@ class Finished(Widget):
         super().__init__(*children, name=name, id=id, classes=classes, disabled=disabled, markup=markup)
 
     def compose(self):
-        yield Label("本次记忆进程结束, 下次再会!", id="finished_msg")
+        yield Label("本次记忆进程结束", id="finished_msg")
+        yield Button("返回上一级", id="back-to-menu")
+
+    def on_button_pressed(self, event):
+        button_id = event.button.id
+        if button_id == 'back-to-menu':
+            self.app.pop_screen()
diff --git a/src/heurams/interface/widgets/mcq_puzzle.py b/src/heurams/interface/widgets/mcq_puzzle.py
index 5382597..fc6fddd 100644
--- a/src/heurams/interface/widgets/mcq_puzzle.py
+++ b/src/heurams/interface/widgets/mcq_puzzle.py
@@ -158,4 +158,4 @@ class MCQPuzzle(BasePuzzleWidget):
                 if button_id not in self.hashtable:
                     self.hashtable[button_id] = option
                 new_button = Button(option, id=button_id)
-                self.mount(new_button)
\ No newline at end of file
+                self.mount(new_button)
diff --git a/src/heurams/interface/widgets/placeholder.py b/src/heurams/interface/widgets/placeholder.py
index 69b0007..a47b52e 100644
--- a/src/heurams/interface/widgets/placeholder.py
+++ b/src/heurams/interface/widgets/placeholder.py
@@ -11,4 +11,7 @@ class Placeholder(Widget):
 
     def compose(self):
         yield Label("示例标签", id="testlabel")
-        yield Button("示例按钮", id="testbtn", classes="choice")
\ No newline at end of file
+        yield Button("示例按钮", id="testbtn", classes="choice")
+
+    def on_button_pressed(self, event):
+        pass
diff --git a/src/heurams/interface/widgets/recognition.py b/src/heurams/interface/widgets/recognition.py
index b3f0064..011be5f 100644
--- a/src/heurams/interface/widgets/recognition.py
+++ b/src/heurams/interface/widgets/recognition.py
@@ -1,3 +1,4 @@
+from textual.reactive import reactive
 from textual.widgets import (
     Markdown,
     Label,
@@ -84,4 +85,4 @@ class Recognition(BasePuzzleWidget):
 
     def on_button_pressed(self, event: Button.Pressed) -> None:
         if event.button.id == "ok":
-            self.post_message(self.RatingChanged(5))
\ No newline at end of file
+            self.post_message(self.RatingChanged(5))