diff --git a/cmd/edge-node/main.go b/cmd/edge-node/main.go
index 3bab5b8..707510f 100644
--- a/cmd/edge-node/main.go
+++ b/cmd/edge-node/main.go
@@ -117,6 +117,15 @@ func main() {
 			}
 		}
 	})
+	app.On("gc", func() {
+		var sock = gosock.NewTmpSock(teaconst.ProcessName)
+		_, err := sock.Send(&gosock.Command{Code: "gc"})
+		if err != nil {
+			fmt.Println("[ERROR]" + err.Error())
+		} else {
+			fmt.Println("ok")
+		}
+	})
 	app.Run(func() {
 		node := nodes.NewNode()
 		node.Start()
diff --git a/internal/nodes/node.go b/internal/nodes/node.go
index 6dbf463..3e64ad9 100644
--- a/internal/nodes/node.go
+++ b/internal/nodes/node.go
@@ -639,6 +639,7 @@ func (this *Node) listenSock() error {
 			case "gc":
 				runtime.GC()
 				debug.FreeOSMemory()
+				_ = cmd.ReplyOk()
 			}
 		})