diff --git a/common/cache/lrucache.go b/common/cache/lrucache.go
index 4246d84..a2e0e90 100644
--- a/common/cache/lrucache.go
+++ b/common/cache/lrucache.go
@@ -188,7 +188,7 @@ func (c *LruCache) get(key interface{}) *entry {
 }
 
 // Delete removes the value associated with a key.
-func (c *LruCache) Delete(key string) {
+func (c *LruCache) Delete(key interface{}) {
 	c.mu.Lock()
 
 	if le, ok := c.cache[key]; ok {
diff --git a/component/fakeip/pool.go b/component/fakeip/pool.go
index dd8749a..46fe592 100644
--- a/component/fakeip/pool.go
+++ b/component/fakeip/pool.go
@@ -121,7 +121,7 @@ func ipToUint(ip net.IP) uint32 {
 }
 
 func uintToIP(v uint32) net.IP {
-	return net.IPv4(byte(v>>24), byte(v>>16), byte(v>>8), byte(v))
+	return net.IP{byte(v >> 24), byte(v >> 16), byte(v >> 8), byte(v)}
 }
 
 // New return Pool instance
diff --git a/tunnel/connection.go b/tunnel/connection.go
index 13f7875..1e8ee1d 100644
--- a/tunnel/connection.go
+++ b/tunnel/connection.go
@@ -9,14 +9,13 @@ import (
 	"strings"
 	"time"
 
-	adapters "github.com/Dreamacro/clash/adapters/inbound"
+	"github.com/Dreamacro/clash/adapters/inbound"
+	"github.com/Dreamacro/clash/common/pool"
 	"github.com/Dreamacro/clash/component/resolver"
 	C "github.com/Dreamacro/clash/constant"
-
-	"github.com/Dreamacro/clash/common/pool"
 )
 
-func handleHTTP(request *adapters.HTTPAdapter, outbound net.Conn) {
+func handleHTTP(request *inbound.HTTPAdapter, outbound net.Conn) {
 	req := request.R
 	host := req.Host
 
@@ -28,7 +27,7 @@ func handleHTTP(request *adapters.HTTPAdapter, outbound net.Conn) {
 
 		req.Header.Set("Connection", "close")
 		req.RequestURI = ""
-		adapters.RemoveHopByHopHeaders(req.Header)
+		inbound.RemoveHopByHopHeaders(req.Header)
 		err := req.Write(outbound)
 		if err != nil {
 			break
@@ -39,7 +38,7 @@ func handleHTTP(request *adapters.HTTPAdapter, outbound net.Conn) {
 		if err != nil {
 			break
 		}
-		adapters.RemoveHopByHopHeaders(resp.Header)
+		inbound.RemoveHopByHopHeaders(resp.Header)
 
 		if resp.StatusCode == http.StatusContinue {
 			err = resp.Write(request)
@@ -128,7 +127,7 @@ func handleUDPToLocal(packet C.UDPPacket, pc net.PacketConn, key string, fAddr n
 	}
 }
 
-func handleSocket(request *adapters.SocketAdapter, outbound net.Conn) {
+func handleSocket(request C.ServerAdapter, outbound net.Conn) {
 	relay(request, outbound)
 }