修复缓存条件可能无法保存的Bug

internal/web/actions/default/servers/server/settings/cache/index.go

@@ -79,6 +79,7 @@ func (this *IndexAction) RunPost(params struct {
 		this.ErrorPage(err)
 		return
 	}
+
 	err = cacheConfig.Init()
 	if err != nil {
 		this.Fail("检查配置失败：" + err.Error())

web/public/js/components/server/http-cache-config-box.js

@@ -12,6 +12,9 @@ Vue.component("http-cache-config-box", {
 				purgeKey: ""
 			}
 		}
+		if (cacheConfig.cacheRefs == null) {
+			cacheConfig.cacheRefs = []
+		}
 		return {
 			cacheConfig: cacheConfig
 		}