diff --git a/task/httping.go b/task/httping.go
index 485ec4a..2f36d69 100644
--- a/task/httping.go
+++ b/task/httping.go
@@ -37,6 +37,7 @@ func (p *Ping) httping(ip *net.IPAddr) (int, time.Duration, string) {
 			return http.ErrUseLastResponse // 阻止重定向
 		},
 	}
+	defer hc.CloseIdleConnections()
 
 	// 先访问一次获得 HTTP 状态码 及 地区码
 	var colo string