diff --git a/screens.py b/screens.py
index 9f83a96..bf39832 100644
--- a/screens.py
+++ b/screens.py
@@ -153,29 +153,25 @@ class PreparationScreen(Screen):
 
     def compose(self) -> ComposeResult:
         yield Header(show_clock=True)
-        with Container(id="learning_screen_container"):
-            yield Label(f"记忆项目: [b]{self.nucleon_file.name}[/b]\n")
-            yield Label(
-                f"核子文件对象: ./nucleon/[b]{self.nucleon_file.name}[/b].toml"
-            )
-            yield Label(
-                f"电子文件对象: ./electron/[b]{self.electron_file.name}[/b].toml"
-            )
-            yield Label(f"核子数量:{len(self.nucleon_file)}")
+        with Container(id="vice_container"):
+            yield Label(f"准备就绪: [b]{self.nucleon_file.name}[/b]\n")
+            yield Label(f"内容源文件对象: ./nucleon/[b]{self.nucleon_file.name}[/b].toml")
+            yield Label(f"元数据文件对象: ./electron/[b]{self.electron_file.name}[/b].toml")
+            yield Label(f"\n单元数量:{len(self.nucleon_file)}\n")
             yield Button(
                 "开始记忆",
                 id="start_memorizing_button",
                 variant="primary",
                 classes="start-button",
             )
-            yield Static(f"\n全文如下:\n")
-            yield Static(self._get_full_content().replace("/", ""), classes="full")
+            yield Static(f"\n单元预览:\n")
+            yield Markdown(self._get_full_content().replace("/", ""), classes="full")
         yield Footer()
 
     def _get_full_content(self):
         content = ""
         for i in self.nucleon_file.nucleons:
-            content += i["content"]
+            content += " - " + i["content"] + "  \n"
         return content
 
     def action_go_back(self):
@@ -234,7 +230,7 @@ class DashboardScreen(Screen):
                     ))
         else:
             file_list_widget.append(
-                ListItem(Static("在 ./nucleon/ 中未找到任何核子文件. 请放置文件后重启应用."))
+                ListItem(Static("在 ./nucleon/ 中未找到任何内容源数据文件.\n请放置文件后重启应用."))
             )
             file_list_widget.disabled = True
 
diff --git a/styles.css b/styles.css
index 3423466..38e1e6d 100644
--- a/styles.css
+++ b/styles.css
@@ -8,14 +8,14 @@ Screen {
     width: 95%;
     height: auto;
     border: thick $primary-lighten-2;
-    padding: 2;
+    padding: 1;
 }
 
 #vice_container {
     align: center middle;
-    width: 95%;
+    width: 100%;
     height: auto;
-    padding: 2;
+    padding: 1;
 }
 
 #sentence {