diff --git a/internal/config/types.go b/internal/config/types.go
index fb74809..16e4cda 100644
--- a/internal/config/types.go
+++ b/internal/config/types.go
@@ -35,8 +35,10 @@ type CompressorConfig struct {
 func (c *Config) UnmarshalJSON(data []byte) error {
 	// 创建一个临时结构来解析原始JSON
 	type TempConfig struct {
-		MAP         map[string]json.RawMessage `json:"MAP"`
-		Compression CompressionConfig          `json:"Compression"`
+		MAP                 map[string]json.RawMessage `json:"MAP"`
+		Compression         CompressionConfig          `json:"Compression"`
+		MetricsSaveInterval int                        `json:"MetricsSaveInterval"`
+		MetricsMaxFiles     int                        `json:"MetricsMaxFiles"`
 	}
 
 	var temp TempConfig
@@ -47,6 +49,11 @@ func (c *Config) UnmarshalJSON(data []byte) error {
 	// 初始化 MAP
 	c.MAP = make(map[string]PathConfig)
 
+	// 复制其他字段
+	c.Compression = temp.Compression
+	c.MetricsSaveInterval = temp.MetricsSaveInterval
+	c.MetricsMaxFiles = temp.MetricsMaxFiles
+
 	// 处理每个路径配置
 	for key, raw := range temp.MAP {
 		// 尝试作为字符串解析
@@ -69,9 +76,6 @@ func (c *Config) UnmarshalJSON(data []byte) error {
 		c.MAP[key] = pathConfig
 	}
 
-	// 复制其他字段
-	c.Compression = temp.Compression
-
 	return nil
 }
 
diff --git a/web/app/dashboard/config/page.tsx b/web/app/dashboard/config/page.tsx
index b29abff..58205b3 100644
--- a/web/app/dashboard/config/page.tsx
+++ b/web/app/dashboard/config/page.tsx
@@ -124,6 +124,16 @@ export default function ConfigPage() {
       }
 
       const data = await response.json()
+      
+      // 设置默认值
+      if (data.MetricsSaveInterval === undefined || data.MetricsSaveInterval === 0) {
+        data.MetricsSaveInterval = 15; // 默认15分钟
+      }
+      
+      if (data.MetricsMaxFiles === undefined || data.MetricsMaxFiles === 0) {
+        data.MetricsMaxFiles = 10; // 默认10个文件
+      }
+      
       setConfig(data)
     } catch (error) {
       const message = error instanceof Error ? error.message : "获取配置失败"