diff --git a/internal/nodes/node.go b/internal/nodes/node.go
index 64e8a8f..d01f6ea 100644
--- a/internal/nodes/node.go
+++ b/internal/nodes/node.go
@@ -632,6 +632,7 @@ func (this *Node) listenSock() error {
 						"ipConns":     ipConns,
 						"serverConns": serverConns,
 						"total":       sharedListenerManager.TotalActiveConnections(),
+						"limiter":     sharedConnectionsLimiter.Len(),
 					},
 				})
 			}
diff --git a/internal/ratelimit/counter.go b/internal/ratelimit/counter.go
index 7bf012a..3c2cc4b 100644
--- a/internal/ratelimit/counter.go
+++ b/internal/ratelimit/counter.go
@@ -27,7 +27,6 @@ func (this *Counter) Count() int {
 }
 
 // Len 已占用数量
-// 注意：非线程安全
 func (this *Counter) Len() int {
 	return len(this.sem)
 }