diff --git a/pkg/serverconfigs/firewallconfigs/http_firewall_rule.go b/pkg/serverconfigs/firewallconfigs/http_firewall_rule.go
index 054ca28..754cd2f 100644
--- a/pkg/serverconfigs/firewallconfigs/http_firewall_rule.go
+++ b/pkg/serverconfigs/firewallconfigs/http_firewall_rule.go
@@ -27,12 +27,12 @@ func (this *HTTPFirewallRule) Init() error {
 	case HTTPFirewallRuleOperatorMatch:
 		_, err := regexp.Compile(this.Value)
 		if err != nil {
-			return errors.New("regexp validate failed: " + err.Error())
+			return errors.New("regexp validate failed: " + err.Error() + ", expression: " + this.Value)
 		}
 	case HTTPFirewallRuleOperatorNotMatch:
 		_, err := regexp.Compile(this.Value)
 		if err != nil {
-			return errors.New("regexp validate failed: " + err.Error())
+			return errors.New("regexp validate failed: " + err.Error() + ", expression: " + this.Value)
 		}
 	}