网站全局设置增加“强制Ln请求“选项

internal/nodes/http_request_reverse_proxy.go

@@ -66,13 +66,14 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, failedLnNodeId
 
 	// 二级节点
 	var hasMultipleLnNodes = false
-	if this.cacheRef != nil {
+	if this.cacheRef != nil || (this.nodeConfig != nil && this.nodeConfig.GlobalServerConfig != nil && this.nodeConfig.GlobalServerConfig.HTTPAll.ForceLnRequest) {
 		origin, lnNodeId, hasMultipleLnNodes = this.getLnOrigin(failedLnNodeIds)
 		if origin != nil {
 			// 强制变更原来访问的域名
 			requestHost = this.ReqHost
 		}
 
+		if this.cacheRef != nil {
 			// 回源Header中去除If-None-Match和If-Modified-Since
 			if !this.cacheRef.EnableIfNoneMatch {
 				this.DeleteHeader("If-None-Match")
@@ -81,6 +82,7 @@ func (this *HTTPRequest) doOriginRequest(failedOriginIds []int64, failedLnNodeId
 				this.DeleteHeader("If-Modified-Since")
 			}
 		}
+	}
 
 	// 自定义源站
 	if origin == nil {