diff --git a/internal/nodes/client_conn.go b/internal/nodes/client_conn.go
index eb4a87c..b0e58f3 100644
--- a/internal/nodes/client_conn.go
+++ b/internal/nodes/client_conn.go
@@ -86,18 +86,21 @@ func (this *ClientConn) Read(b []byte) (n int, err error) {
 		}
 	}
 
-	// SYN Flood检测
 	var isHandshakeError = err != nil && os.IsTimeout(err) && !this.hasRead
 	if isHandshakeError {
 		_ = this.SetLinger(0)
 	}
-	var synFloodConfig = sharedNodeConfig.SYNFloodConfig()
-	if synFloodConfig != nil && synFloodConfig.IsOn {
-		if isHandshakeError {
-			this.increaseSYNFlood(synFloodConfig)
-		} else if err == nil && !this.hasResetSYNFlood {
-			this.hasResetSYNFlood = true
-			this.resetSYNFlood()
+
+	// SYN Flood检测
+	if this.serverId == 0 || !this.hasResetSYNFlood {
+		var synFloodConfig = sharedNodeConfig.SYNFloodConfig()
+		if synFloodConfig != nil && synFloodConfig.IsOn {
+			if isHandshakeError {
+				this.increaseSYNFlood(synFloodConfig)
+			} else if err == nil && !this.hasResetSYNFlood {
+				this.hasResetSYNFlood = true
+				this.resetSYNFlood()
+			}
 		}
 	}
 
@@ -126,7 +129,9 @@ func (this *ClientConn) Close() error {
 	err := this.rawConn.Close()
 
 	// 单个服务并发数限制
-	sharedClientConnLimiter.Remove(this.rawConn.RemoteAddr().String())
+	if this.hasLimit {
+		sharedClientConnLimiter.Remove(this.rawConn.RemoteAddr().String())
+	}
 
 	return err
 }
diff --git a/internal/nodes/client_conn_base.go b/internal/nodes/client_conn_base.go
index 93b8dd0..fc8f6b6 100644
--- a/internal/nodes/client_conn_base.go
+++ b/internal/nodes/client_conn_base.go
@@ -11,6 +11,7 @@ type BaseClientConn struct {
 	userId     int64
 	serverId   int64
 	remoteAddr string
+	hasLimit   bool
 
 	isClosed bool
 }
@@ -32,6 +33,7 @@ func (this *BaseClientConn) Bind(serverId int64, remoteAddr string, maxConnsPerS
 	this.isBound = true
 	this.serverId = serverId
 	this.remoteAddr = remoteAddr
+	this.hasLimit = true
 
 	// 检查是否可以连接
 	return sharedClientConnLimiter.Add(this.rawConn.RemoteAddr().String(), serverId, remoteAddr, maxConnsPerServer, maxConnsPerIP)
diff --git a/internal/nodes/http_request_reverse_proxy.go b/internal/nodes/http_request_reverse_proxy.go
index 9c6796c..75b2f3f 100644
--- a/internal/nodes/http_request_reverse_proxy.go
+++ b/internal/nodes/http_request_reverse_proxy.go
@@ -78,7 +78,7 @@ func (this *HTTPRequest) doReverseProxy() {
 
 	// 处理Scheme
 	if origin.Addr == nil {
-		err := errors.New(this.URL() + ": origin '" + strconv.FormatInt(origin.Id, 10) + "' does not has a address")
+		err := errors.New(this.URL() + ": Origin '" + strconv.FormatInt(origin.Id, 10) + "' does not has a address")
 		remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", err.Error())
 		this.write50x(err, http.StatusBadGateway, true)
 		return
@@ -130,7 +130,7 @@ func (this *HTTPRequest) doReverseProxy() {
 	if origin.FollowPort {
 		var originHostIndex = strings.Index(originAddr, ":")
 		if originHostIndex < 0 {
-			var originErr = errors.New("invalid origin address '" + originAddr + "', lacking port")
+			var originErr = errors.New(this.URL() + ": Invalid origin address '" + originAddr + "', lacking port")
 			remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", originErr.Error())
 			this.write50x(originErr, http.StatusBadGateway, true)
 			return
@@ -210,7 +210,7 @@ func (this *HTTPRequest) doReverseProxy() {
 	// 获取请求客户端
 	client, err := SharedHTTPClientPool.Client(this, origin, originAddr, this.reverseProxy.ProxyProtocol, this.reverseProxy.FollowRedirects)
 	if err != nil {
-		remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": get client failed: "+err.Error())
+		remotelogs.Error("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Create client failed: "+err.Error())
 		this.write50x(err, http.StatusBadGateway, true)
 		return
 	}
@@ -231,7 +231,7 @@ func (this *HTTPRequest) doReverseProxy() {
 				this.reverseProxy.ResetScheduling()
 			})
 			this.write50x(err, http.StatusBadGateway, true)
-			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.RawReq.URL.String()+"': request failed: "+err.Error())
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.RawReq.URL.String()+": Request origin server failed: "+err.Error())
 		} else if httpErr.Err != context.Canceled {
 			SharedOriginStateManager.Fail(origin, requestHost, this.reverseProxy, func() {
 				this.reverseProxy.ResetScheduling()
@@ -244,7 +244,7 @@ func (this *HTTPRequest) doReverseProxy() {
 				this.write50x(err, http.StatusBadGateway, true)
 			}
 			if httpErr.Err != io.EOF {
-				remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": request failed: "+err.Error())
+				remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Request origin server failed: "+err.Error())
 			}
 		} else {
 			// 是否为客户端方面的错误
@@ -283,7 +283,7 @@ func (this *HTTPRequest) doReverseProxy() {
 		if this.doWAFResponse(resp) {
 			err = resp.Body.Close()
 			if err != nil {
-				remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": "+err.Error())
+				remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Closing Error (WAF): "+err.Error())
 			}
 			return
 		}
@@ -293,7 +293,7 @@ func (this *HTTPRequest) doReverseProxy() {
 	if len(this.web.Pages) > 0 && this.doPage(resp.StatusCode) {
 		err = resp.Body.Close()
 		if err != nil {
-			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": "+err.Error())
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Closing error (Page): "+err.Error())
 		}
 		return
 	}
@@ -395,13 +395,13 @@ func (this *HTTPRequest) doReverseProxy() {
 	var closeErr = resp.Body.Close()
 	if closeErr != nil {
 		if !this.canIgnore(closeErr) {
-			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": closing error: "+closeErr.Error())
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Closing error: "+closeErr.Error())
 		}
 	}
 
 	if err != nil && err != io.EOF {
 		if !this.canIgnore(err) {
-			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": writing error: "+err.Error())
+			remotelogs.Warn("HTTP_REQUEST_REVERSE_PROXY", this.URL()+": Writing error: "+err.Error())
 			this.addError(err)
 		}
 	}