diff --git a/content/sparks.csv b/content/sparks.csv
index be34f25..900248f 100644
--- a/content/sparks.csv
+++ b/content/sparks.csv
@@ -1,6 +1,6 @@
-label,body,adj,noun,group
-🔥,**{{adj}}** 的{{noun}},高大,战士,基本
-💧,{{adj}}的{{noun}},矮小,法师,基本
-🌪️,{{adj}}的{{noun}},帅气,弓手,高级
-🌱,{{adj}}的{{noun}},丑陋,盗贼,高级
-⚡,{{adj}}的{{noun}},平庸,牧师,高级
+label,body,adj,noun
+1,**{{adj}}** 的{{noun}},高大,战士
+2,{{adj}}的{{noun}},矮小,法师
+3,{{adj}}的{{noun}},帅气,弓手
+4,{{adj}}的{{noun}},丑陋,盗贼
+5,{{adj}}的{{noun}},平庸,牧师
diff --git a/src/cli/commands/serve.ts b/src/cli/commands/serve.ts
index edeb4fd..c7cb380 100644
--- a/src/cli/commands/serve.ts
+++ b/src/cli/commands/serve.ts
@@ -15,7 +15,7 @@ interface ContentIndex {
  */
 const __filename = fileURLToPath(import.meta.url);
 const __dirname = dirname(__filename);
-const distDir = resolve(__dirname, "..", "..", "web");
+const distDir = resolve(__dirname, "..", "..", "..", "dist", "web");
 
 /**
  * MIME 类型映射
diff --git a/src/components/FileTree.tsx b/src/components/FileTree.tsx
index a46fa9b..2be08ec 100644
--- a/src/components/FileTree.tsx
+++ b/src/components/FileTree.tsx
@@ -2,6 +2,15 @@ import { Component, createMemo, createSignal, Show } from "solid-js";
 import { type FileNode, type TocNode } from "../data-loader";
 import { useNavigate } from "@solidjs/router";
 
+/**
+ * 检查当前文件路径是否在文件夹内
+ */
+function isPathInDir(currentPath: string, dirPath: string): boolean {
+  // 确保 dirPath 以 / 结尾，用于前缀匹配
+  const dirPathPrefix = dirPath.endsWith('/') ? dirPath : dirPath + '/';
+  return currentPath.startsWith(dirPathPrefix);
+}
+
 /**
  * 文件树节点组件
  */
@@ -13,9 +22,10 @@ export const FileTreeNode: Component<{
   onClose: () => void;
 }> = (props) => {
   const navigate = useNavigate();
-  const [isExpanded, setIsExpanded] = createSignal(true);
   const isDir = !!props.node.children;
   const isActive = createMemo(() => props.currentPath === props.node.path);
+  // 默认收起，除非当前文件在该文件夹内
+  const [isExpanded, setIsExpanded] = createSignal(isDir && isPathInDir(props.currentPath, props.node.path));
 
   const handleClick = () => {
     if (isDir) {
diff --git a/src/markdown/index.ts b/src/markdown/index.ts
index 3b69d02..a6c08df 100644
--- a/src/markdown/index.ts
+++ b/src/markdown/index.ts
@@ -5,7 +5,7 @@ import { createDirectives } from 'marked-directive';
 const marked = new Marked().use(createDirectives());
 
 export function parseMarkdown(content: string): string {
-  return marked.parse(content) as string;
+  return marked.parse(content.trimStart()) as string;
 }
 
 export { marked };