diff --git a/proxy/vless/inbound/inbound.go b/proxy/vless/inbound/inbound.go
index 0839d6f69..2adbd909c 100644
--- a/proxy/vless/inbound/inbound.go
+++ b/proxy/vless/inbound/inbound.go
@@ -167,6 +167,8 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection i
 	} else {
 		request, requestAddons, err, pre = encoding.DecodeRequestHeader(reader, h.validator)
 		if pre == nil {
+			defer pre.Release()
+		} else {
 			isfb = false
 		}
 	}
@@ -286,6 +288,7 @@ func (h *Handler) Process(ctx context.Context, network net.Network, connection i
 						}
 					}
 					pro := buf.New()
+					defer pro.Release()
 					switch fb.Xver {
 					case 1:
 						if ipv4 {