diff --git a/.obsidian/appearance.json b/.obsidian/appearance.json
index ad5d4dc..e39d435 100644
--- a/.obsidian/appearance.json
+++ b/.obsidian/appearance.json
@@ -2,7 +2,7 @@
   "accentColor": "",
   "cssTheme": "Minimal",
   "monospaceFontFamily": "Maple Mono SC NF",
-  "theme": "obsidian",
+  "theme": "moonstone",
   "interfaceFontFamily": "霞鹜文楷",
   "textFontFamily": "霞鹜文楷等宽",
   "translucency": false
diff --git a/Books/动手学深度学习/引言.md b/Books/动手学深度学习/引言.md
index d330b59..2cda6d8 100644
--- a/Books/动手学深度学习/引言.md
+++ b/Books/动手学深度学习/引言.md
@@ -1,2 +1,3 @@
-# 关键部分
-## 数据
+
+
+# 线性神经网络