diff --git a/CHANGELOG b/CHANGELOG
index a03aed6..9ad10f6 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,6 +1,7 @@
 proxy更新日志
 v5.1
 1.优化了kcp默认mtu配置,调整为450.
+2.优化了HTTP(S)\SOCKS5代理智能判断，更加精确。
 
 v5.0
 1.修复了SPS多端口无效的bug.
diff --git a/services/http/http.go b/services/http/http.go
index f8bef2e..bc8d1e1 100644
--- a/services/http/http.go
+++ b/services/http/http.go
@@ -278,7 +278,7 @@ func (s *HTTP) callback(inConn net.Conn) {
 			useProxy = true
 		} else {
 			k := s.Resolve(address)
-			s.checker.Add(k)
+			s.checker.Add(address, k)
 			//var n, m uint
 			useProxy, _, _ = s.checker.IsBlocked(k)
 			//s.log.Printf("blocked ? : %v, %s , fail:%d ,success:%d", useProxy, address, n, m)
diff --git a/services/socks/socks.go b/services/socks/socks.go
index 8e45c78..cd7c217 100644
--- a/services/socks/socks.go
+++ b/services/socks/socks.go
@@ -563,7 +563,7 @@ func (s *Socks) proxyTCP(inConn *net.Conn, methodReq socks.MethodsRequest, reque
 					useProxy = false
 				} else {
 					k := s.Resolve(request.Addr())
-					s.checker.Add(k)
+					s.checker.Add(request.Addr(), k)
 					useProxy, _, _ = s.checker.IsBlocked(k)
 				}
 				if useProxy {
diff --git a/utils/structs.go b/utils/structs.go
index 66aed3f..fe67135 100644
--- a/utils/structs.go
+++ b/utils/structs.go
@@ -41,6 +41,7 @@ type CheckerItem struct {
 	Data         []byte
 	SuccessCount uint
 	FailCount    uint
+	Key          string
 }
 
 //NewChecker args:
@@ -173,13 +174,14 @@ func (c *Checker) domainIsInMap(address string, blockedMap bool) bool {
 	}
 	return false
 }
-func (c *Checker) Add(address string) {
-	if c.domainIsInMap(address, false) || c.domainIsInMap(address, true) {
+func (c *Checker) Add(key, address string) {
+	if c.domainIsInMap(key, false) || c.domainIsInMap(key, true) {
 		return
 	}
 	var item CheckerItem
 	item = CheckerItem{
 		Host: address,
+		Key:  key,
 	}
 	c.data.SetIfAbsent(item.Host, item)
 }