feat: 改进缓存管理器

src/heurams/interface/screens/memorizor.py

@@ -41,7 +41,7 @@ class MemScreen(Screen):
             print(puzzle_info)
             return shim.puzzle2widget[puzzle_info["puzzle"]](atom = self.procession.current_atom, alia = puzzle_info["alia"])
         except (KeyError, StopIteration, AttributeError) as e:
-            print(f"Fission error: {e}")
+            print(f"调度展开出错: {e}")
             return Static("无法生成谜题")
         #print(shim.puzzle2widget[puzzle_info["puzzle"]])
 
@@ -50,7 +50,7 @@ class MemScreen(Screen):
         with Center():
             yield Static(f"当前进度: {self.procession.process()}/{self.procession.total_length()}")
         self.mount(self.current_widget()) # type: ignore
-        #yield Button("重新学习此单元", id="re-recognize", variant="warning")
+        yield Button("重新学习此单元", id="re-recognize", variant="warning")
         yield Footer()
 
     def on_mount(self):
@@ -63,12 +63,6 @@ class MemScreen(Screen):
         """朗读当前内容"""
         pass
 
-    def action_precache_current(self):
-        """预缓存当前单元集的音频"""
-        #from .precache import PrecachingScreen
-        #precache_screen = PrecachingScreen(self.nucleon_file)
-        #self.app.push_screen(precache_screen)
-
     def action_toggle_dark(self):
         self.app.action_toggle_dark()