diff --git a/package.json b/package.json
index 8607d62..45f8a6d 100644
--- a/package.json
+++ b/package.json
@@ -4,17 +4,18 @@
   "type": "module",
   "private": true,
   "bin": {
-    "lmc": "dist/index.js"
+    "lmc": "dist/index.js",
+    "ttsc": "dist/tts.js"
   },
   "scripts": {
     "dev": "pnpm run bundle &>/dev/null && node dist/index.js",
     "check": "biome check --write && pnpm run tc",
     "clean": "rm -rf dist",
-    "build": "pnpm run check && pnpm run bundle --minify",
-    "build:bin": "pnpm run check && pnpm run bundle:bin --minify && pnpm run bin",
-    "bundle": "rolldown index.ts --dir=dist --platform=node",
-    "bundle:bin": "rolldown index.ts --dir=dist --platform=node --no-code-splitting --format=cjs",
-    "bin": "node --build-sea sea-config.json",
+    "build": "pnpm run check && pnpm run bundle --minify index.ts && pnpm run bundle --minify tts.ts",
+    "build:bin": "pnpm run check && pnpm run bundle:bin --minify index.ts && pnpm run bundle:bin --minify tts.ts && pnpm run bin",
+    "bundle": "rolldown --dir=dist --platform=node --transform.target=node22",
+    "bundle:bin": "rolldown --dir=dist --platform=node --no-code-splitting --format=cjs",
+    "bin": "node --build-sea sea-config.json && node --build-sea sea-config-tts.json",
     "tc": "tsc --noEmit --incremental"
   },
   "devDependencies": {
diff --git a/pnpm-workspace.yaml b/pnpm-workspace.yaml
deleted file mode 100644
index 5ed0b5a..0000000
--- a/pnpm-workspace.yaml
+++ /dev/null
@@ -1,2 +0,0 @@
-allowBuilds:
-  esbuild: true
diff --git a/src/render/markdown.ts b/src/render/markdown.ts
index 905c003..e3271ae 100644
--- a/src/render/markdown.ts
+++ b/src/render/markdown.ts
@@ -130,12 +130,12 @@ class LmcRenderer extends Renderer {
 
   override strong({ tokens }: Tokens.Strong) {
     const text = this.parser.parseInline(tokens);
-    return chalk.bold.rgb(254, 254, 254)(text);
+    return chalk.bold.rgb(245, 245, 245)(text);
   }
 
   override em({ tokens }: Tokens.Em) {
     const text = this.parser.parseInline(tokens);
-    return chalk.italic.rgb(254, 254, 254)(text);
+    return chalk.italic.rgb(245, 245, 245)(text);
   }
 
   override del({ tokens }: Tokens.Del) {
@@ -144,7 +144,7 @@ class LmcRenderer extends Renderer {
   }
 
   override codespan({ text }: Tokens.Codespan) {
-    return chalk.bgRgb(165, 165, 190).black.bold(text);
+    return chalk.bgRgb(192, 192, 192).black.bold(text);
   }
 
   override link({ href, tokens }: Tokens.Link) {
@@ -192,7 +192,8 @@ export async function renderMarkdown(
 
   const langs = md
     .match(/```\S+\n/g)
-    ?.map((lang) => lang.replace("```", "").trimEnd());
+    ?.map((lang) => lang.replace("```", "").trimEnd())
+    .sort();
 
   if (langs && langs?.join() !== highligherLangs) {
     const { bundledThemes, bundledLanguages, bundledLanguagesAlias } =