diff --git a/CHANGELOG.md b/CHANGELOG.md
index b3446ae..0ad0f46 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # 更新日志
 
+4.2.1 - 2025-07-25
+---
+- CHANGE: 更新主题样式, 新增`free`主题, `design`与`hub`主题样式更新
+
 4.2.0 - 2025-07-22
 ---
 - CHANGE: 支持根据IP(CDIR)进行白名单与屏蔽
diff --git a/VERSION b/VERSION
index ef8d756..d87edbf 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.2.0
\ No newline at end of file
+4.2.1
\ No newline at end of file
diff --git a/main.go b/main.go
index 6a888ac..e09426e 100644
--- a/main.go
+++ b/main.go
@@ -195,6 +195,8 @@ func loadEmbeddedPages(cfg *config.Config) (fs.FS, fs.FS, error) {
 		pages, err = fs.Sub(pageFS, "pages/mino")
 	case "hub":
 		pages, err = fs.Sub(pageFS, "pages/hub")
+	case "free":
+		pages, err = fs.Sub(pageFS, "pages/free")
 	default:
 		pages, err = fs.Sub(pageFS, "pages/design") // 默认主题
 		logWarning("Invalid Pages Theme: %s, using default theme 'design'", cfg.Pages.Theme)