diff --git a/pkg/common/ginprometheus/ginprometheus.go b/pkg/common/ginprometheus/ginprometheus.go
index be8837074..c2e6bdcca 100644
--- a/pkg/common/ginprometheus/ginprometheus.go
+++ b/pkg/common/ginprometheus/ginprometheus.go
@@ -194,7 +194,7 @@ func (p *Prometheus) SetListenAddressWithRouter(listenAddress string, r *gin.Eng
 	if len(p.listenAddress) > 0 {
 		p.router = r
 	}
-} 
+}
 
 // SetMetricsPath set metrics paths.
 func (p *Prometheus) SetMetricsPath(e *gin.Engine) error {