diff --git a/CHANGELOG.md b/CHANGELOG.md
index fb222e3..c46007d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # 更新日志
 
+4.3.2 - 2025-08-20
+---
+- FIX: 修正`cfg.Pages.StaticDir`为空时的处置
+
 4.3.1 - 2025-08-13
 ---
 - CHANGE: 更新至[Go 1.25](https://tip.golang.org/doc/go1.25)
diff --git a/VERSION b/VERSION
index ecedc98..7e961f9 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.3.1
\ No newline at end of file
+4.3.2
\ No newline at end of file
diff --git a/main.go b/main.go
index 48c10fe..5f5b3ed 100644
--- a/main.go
+++ b/main.go
@@ -234,8 +234,18 @@ func setupPages(cfg *config.Config, r *touka.Engine) {
 		}
 
 	case "external":
-		r.SetUnMatchFS(http.Dir(cfg.Pages.StaticDir))
-
+		if cfg.Pages.StaticDir == "" {
+			logger.Errorf("Pages Mode is 'external' but StaticDir is empty. Using embedded pages instead.")
+			err := setInternalRoute(cfg, r)
+			if err != nil {
+				logger.Errorf("Failed to load embedded pages: %s", err)
+				fmt.Printf("Failed to load embedded pages: %s", err)
+				os.Exit(1)
+			}
+		} else {
+			extPageFS := os.DirFS(cfg.Pages.StaticDir)
+			r.SetUnMatchFS(http.FS(extPageFS))
+		}
 	default:
 		// 处理无效的Pages Mode
 		logger.Warnf("Invalid Pages Mode: %s, using default embedded theme", cfg.Pages.Mode)