diff --git a/netcard.go b/netcard.go
index 28fb831..cbba34e 100644
--- a/netcard.go
+++ b/netcard.go
@@ -85,7 +85,7 @@ func NewNetTunnel() *NetTunnel {
 
 			switch frame.Ethertype() {
 			case ethernet.ARP:
-				log.Printf("bytes len: %d type: % x", len(rbuf), frame.Ethertype()) // 数据长度
+				log.Printf("bytes len: %d type(arp): % x", len(rbuf), frame.Ethertype()) // 数据长度
 				nt.clients.Range(func(key, value any) bool {
 					if key == nt.ipv4key {
 						return true
@@ -97,7 +97,7 @@ func NewNetTunnel() *NetTunnel {
 					return true
 				})
 			case ethernet.IPv4:
-				log.Printf("bytes len: %d type: % x", len(rbuf), frame)
+				log.Printf("bytes len: %d type(ipv4): % x", len(rbuf), frame.Ethertype())
 				log.Println(len(frame))
 			}
 
diff --git a/rpc_client.go b/rpc_client.go
index a58163b..2511015 100644
--- a/rpc_client.go
+++ b/rpc_client.go
@@ -97,6 +97,7 @@ func (cli *RPCClient) run() {
 			// Contact the server and print out its response.
 			buf.Reset()
 			Compress(buf, frames)
+			frames = nil
 
 			// 发到对面的网卡
 			err = stream.Send(&gen.Request{