diff --git a/frontend/src/views/Settings.vue b/frontend/src/views/Settings.vue
index 71464c0..741d6e4 100644
--- a/frontend/src/views/Settings.vue
+++ b/frontend/src/views/Settings.vue
@@ -93,8 +93,6 @@ export default {
 <style scoped>
 .settings-page {
   padding: 20px;
-  max-width: 800px;
-  margin: 0 auto;
 }
 
 .card-header {
diff --git a/internal/service/scan.go b/internal/service/scan.go
index 089fd29..cfa30c5 100644
--- a/internal/service/scan.go
+++ b/internal/service/scan.go
@@ -414,13 +414,25 @@ func (s *ScanService) Status() ScanStatus {
 		}
 	}
 
+	// 从数据库读取最新的目录配置（支持运行时修改后立即生效）
+	rootDir := s.rootDir
+	destDir := s.destDir
+	if s.store != nil {
+		if v := s.store.GetConfig(ConfigKeyScanDir); v != "" {
+			rootDir = v
+		}
+		if v := s.store.GetConfig(ConfigKeyDestDir); v != "" {
+			destDir = v
+		}
+	}
+
 	return ScanStatus{
 		State:   s.state,
 		Message: s.msg,
 		Started: s.started.Format("2006-01-02 15:04:05"),
 		Elapsed: elapsed,
-		RootDir: s.rootDir,
-		DestDir: s.destDir,
+		RootDir: rootDir,
+		DestDir: destDir,
 		// 复制一份日志再返回，避免前端拿到后修改到我们内部的数据
 		Lines:    append([]string{}, s.lines...),
 		Stage:    s.stage,