diff --git a/myhttp/httpsr/middleware.go b/myhttp/httpsr/middleware.go
index d22649f..4e00789 100644
--- a/myhttp/httpsr/middleware.go
+++ b/myhttp/httpsr/middleware.go
@@ -7,6 +7,8 @@ import (
 	"time"
 )
 
+const CtxCollectRequestFrom = "ctx_collect_request_from"
+
 func QPSCollect(svcName string) gin.HandlerFunc {
 	hs := mymetric.NewQPSHistogram(svcName, []string{
 		"svc", "method", "route", "from",
@@ -21,7 +23,7 @@ func QPSCollect(svcName string) gin.HandlerFunc {
 			"svc":    svcName,
 			"method": ctx.Request.Method,
 			"route":  ctx.Request.URL.Path,
-			"from":   "",
+			"from":   ctx.GetString(CtxCollectRequestFrom),
 		}).Observe(float64(time.Since(st).Milliseconds()))
 
 	}