diff --git a/pkg/serverconfigs/metric_item_utils.go b/pkg/serverconfigs/metric_item_utils.go
index 91e70ec..1329a2d 100644
--- a/pkg/serverconfigs/metric_item_utils.go
+++ b/pkg/serverconfigs/metric_item_utils.go
@@ -91,7 +91,7 @@ func FindAllMetricKeyDefinitions(category MetricItemCategory) []*shared.Definiti
 			{
 				Name:        "请求协议",
 				Code:        "${proto}",
-				Description: "http或https",
+				Description: "包含版本的HTTP请求协议，类似于HTTP/1.0",
 			},
 			{
 				Name:        "HTTP协议",