diff --git a/server/task.go b/server/task.go
index eebceff..6348502 100644
--- a/server/task.go
+++ b/server/task.go
@@ -103,23 +103,23 @@ func icmpPing(target string, timeout time.Duration) (int64, error) {
 	// 先解析 IP 地址
 	ip, err := resolveIP(target)
 	if err != nil {
-		return 0, err
+		return -1, err
 	}
 
 	pinger, err := ping.NewPinger(ip)
 	if err != nil {
-		return 0, err
+		return -1, err
 	}
 	pinger.Count = 1
 	pinger.Timeout = timeout
 	pinger.SetPrivileged(true)
 	err = pinger.Run()
 	if err != nil {
-		return 0, err
+		return -1, err
 	}
 	stats := pinger.Statistics()
 	if stats.PacketsRecv == 0 {
-		return 0, errors.New("no packets received")
+		return -1, errors.New("no packets received")
 	}
 	return stats.AvgRtt.Milliseconds(), nil
 }
@@ -128,7 +128,7 @@ func tcpPing(target string, timeout time.Duration) (int64, error) {
 	addr := strings.Split(target, ":")
 	ip, err := resolveIP(addr[0])
 	if err != nil {
-		return 0, err
+		return -1, err
 	}
 
 	port := "80"
@@ -139,7 +139,7 @@ func tcpPing(target string, timeout time.Duration) (int64, error) {
 	start := time.Now()
 	conn, err := net.DialTimeout("tcp", targetAddr, timeout)
 	if err != nil {
-		return 0, err
+		return -1, err
 	}
 	defer conn.Close()
 	return time.Since(start).Milliseconds(), nil
@@ -171,7 +171,7 @@ func httpPing(target string, timeout time.Duration) (int64, error) {
 	resp, err := client.Get(target)
 	latency := time.Since(start).Milliseconds()
 	if err != nil {
-		return 0, err
+		return -1, err
 	}
 	defer resp.Body.Close()
 	if resp.StatusCode >= 200 && resp.StatusCode < 400 {
@@ -185,27 +185,31 @@ func NewPingTask(conn *ws.SafeConn, taskID uint, pingType, pingTarget string) {
 		log.Printf("Invalid task ID: %d", taskID)
 		return
 	}
-
-	pingResult := 0
+	var err error = nil
+	var latency int64
+	pingResult := -1
 	timeout := 3 * time.Second // 默认超时时间
 	switch pingType {
 	case "icmp":
-		if latency, err := icmpPing(pingTarget, timeout); err == nil {
+		if latency, err = icmpPing(pingTarget, timeout); err == nil {
 			pingResult = int(latency)
 		}
 	case "tcp":
-		if latency, err := tcpPing(pingTarget, timeout); err == nil {
+		if latency, err = tcpPing(pingTarget, timeout); err == nil {
 			pingResult = int(latency)
 		}
 	case "http":
-		if latency, err := httpPing(pingTarget, timeout); err == nil {
+		if latency, err = httpPing(pingTarget, timeout); err == nil {
 			pingResult = int(latency)
 		}
 	default:
 		log.Printf("Unsupported ping type: %s", pingType)
 		return
 	}
-
+	if err != nil {
+		log.Printf("Ping task %d failed: %v", taskID, err)
+		pingResult = -1 // 如果有错误，设置结果为 -1
+	}
 	payload := map[string]interface{}{
 		"type":        "ping_result",
 		"task_id":     taskID,
@@ -213,6 +217,9 @@ func NewPingTask(conn *ws.SafeConn, taskID uint, pingType, pingTarget string) {
 		"value":       pingResult,
 		"finished_at": time.Now(),
 	}
+	if pingResult == -1 {
+		return
+	}
 	if err := conn.WriteJSON(payload); err != nil {
 		log.Printf("Failed to write JSON to WebSocket: %v", err)
 	}