diff --git a/pkg/serverconfigs/http_cache_config.go b/pkg/serverconfigs/http_cache_config.go
index 13bae02..4f761c4 100644
--- a/pkg/serverconfigs/http_cache_config.go
+++ b/pkg/serverconfigs/http_cache_config.go
@@ -16,6 +16,8 @@ type HTTPCacheConfig struct {
 	PurgeIsOn bool   `yaml:"purgeIsOn" json:"purgeIsOn"` // 是否允许使用Purge方法清理
 	PurgeKey  string `yaml:"purgeKey" json:"purgeKey"`   // Purge时使用的X-Edge-Purge-Key
 
+	Stale *HTTPCacheStaleConfig `yaml:"stale" json:"stale"` // 陈旧缓存使用策略
+
 	CacheRefs []*HTTPCacheRef `yaml:"cacheRefs" json:"cacheRefs"` // 缓存配置
 }
 
diff --git a/pkg/serverconfigs/http_cache_stale_config.go b/pkg/serverconfigs/http_cache_stale_config.go
new file mode 100644
index 0000000..504a32d
--- /dev/null
+++ b/pkg/serverconfigs/http_cache_stale_config.go
@@ -0,0 +1,15 @@
+// Copyright 2021 Liuxiangchao iwind.liu@gmail.com. All rights reserved.
+
+package serverconfigs
+
+import "github.com/TeaOSLab/EdgeCommon/pkg/serverconfigs/shared"
+
+// HTTPCacheStaleConfig Stale策略配置
+type HTTPCacheStaleConfig struct {
+	IsPrior bool `yaml:"isPrior" json:"isPrior"`
+	IsOn    bool `yaml:"isOn" json:"isOn"` // 是否启用
+
+	Status                    []int                `yaml:"status" json:"status"`                                       // 状态列表
+	SupportStaleIfErrorHeader bool                 `yaml:"supportStaleIfErrorHeader" json:"supportStaleIfErrorHeader"` // 是否支持stale-if-error
+	Life                      *shared.TimeDuration `yaml:"life" json:"life"`                                           // 陈旧内容生命周期
+}