diff --git a/net/ghttp/ghttp_request.go b/net/ghttp/ghttp_request.go
index da33d83d7..cbdf12fef 100644
--- a/net/ghttp/ghttp_request.go
+++ b/net/ghttp/ghttp_request.go
@@ -184,30 +184,31 @@ func (r *Request) IsAjaxRequest() bool {
 // GetClientIp returns the client ip of this request without port.
 // Note that this ip address might be modified by client header.
 func (r *Request) GetClientIp() string {
-	if len(r.clientIp) == 0 {
-		realIps := r.Header.Get("X-Forwarded-For")
-		if realIps != "" && len(realIps) != 0 && !strings.EqualFold("unknown", realIps) {
-			ipArray := strings.Split(realIps, ",")
-			r.clientIp = ipArray[0]
-		}
-		if r.clientIp == "" || strings.EqualFold("unknown", realIps) {
-			r.clientIp = r.Header.Get("Proxy-Client-IP")
-		}
-		if r.clientIp == "" || strings.EqualFold("unknown", realIps) {
-			r.clientIp = r.Header.Get("WL-Proxy-Client-IP")
-		}
-		if r.clientIp == "" || strings.EqualFold("unknown", realIps) {
-			r.clientIp = r.Header.Get("HTTP_CLIENT_IP")
-		}
-		if r.clientIp == "" || strings.EqualFold("unknown", realIps) {
-			r.clientIp = r.Header.Get("HTTP_X_FORWARDED_FOR")
-		}
-		if r.clientIp == "" || strings.EqualFold("unknown", realIps) {
-			r.clientIp = r.Header.Get("X-Real-IP")
-		}
-		if r.clientIp == "" || strings.EqualFold("unknown", realIps) {
-			r.clientIp = r.GetRemoteIp()
-		}
+	if r.clientIp == "" {
+		return r.clientIp
+	}
+	realIps := r.Header.Get("X-Forwarded-For")
+	if realIps != "" && len(realIps) != 0 && !strings.EqualFold("unknown", realIps) {
+		ipArray := strings.Split(realIps, ",")
+		r.clientIp = ipArray[0]
+	}
+	if r.clientIp == "" {
+		r.clientIp = r.Header.Get("Proxy-Client-IP")
+	}
+	if r.clientIp == "" {
+		r.clientIp = r.Header.Get("WL-Proxy-Client-IP")
+	}
+	if r.clientIp == "" {
+		r.clientIp = r.Header.Get("HTTP_CLIENT_IP")
+	}
+	if r.clientIp == "" {
+		r.clientIp = r.Header.Get("HTTP_X_FORWARDED_FOR")
+	}
+	if r.clientIp == "" {
+		r.clientIp = r.Header.Get("X-Real-IP")
+	}
+	if r.clientIp == "" {
+		r.clientIp = r.GetRemoteIp()
 	}
 	return r.clientIp
 }