diff --git a/internal/handler/dns.go b/internal/handler/dns.go
index 9d8a85a..9a6ce62 100644
--- a/internal/handler/dns.go
+++ b/internal/handler/dns.go
@@ -2,6 +2,7 @@ package handler
 
 import (
 	"encoding/base64"
+	"fmt"
 	"net"
 	"os/exec"
 	"strings"
@@ -90,7 +91,7 @@ func handleDns(c *gin.Context, url string, params map[string]interface{}) {
 			// 解析dig输出行，格式如：example.com.  300  IN  A  192.168.1.1
 			parts := strings.Fields(line)
 			if len(parts) >= 5 {
-				recordType := parts[3] // IN
+				// parts[3] 是 "IN" (record type)，parts[4] 是记录类型 (A, AAAA, CNAME等)
 				recordClass := parts[4] // A, AAAA, CNAME等
 				recordValue := ""
 				if len(parts) > 5 {
diff --git a/internal/handler/findping.go b/internal/handler/findping.go
index ac8d30d..f9ec3b4 100644
--- a/internal/handler/findping.go
+++ b/internal/handler/findping.go
@@ -9,6 +9,12 @@ import (
 )
 
 func handleFindPing(c *gin.Context, url string, params map[string]interface{}) {
+	// 获取seq参数
+	seq := ""
+	if seqVal, ok := params["seq"].(string); ok {
+		seq = seqVal
+	}
+
 	// url应该是CIDR格式，如 8.8.8.0/24
 	cidr := url
 	if cidrParam, ok := params["cidr"].(string); ok && cidrParam != "" {
@@ -19,8 +25,9 @@ func handleFindPing(c *gin.Context, url string, params map[string]interface{}) {
 	_, ipNet, err := net.ParseCIDR(cidr)
 	if err != nil {
 		c.JSON(200, gin.H{
-			"type":  "ceFindPing",
-			"error": "无效的CIDR格式",
+			"seq":    seq,
+			"type":   "ceFindPing",
+			"error":  "无效的CIDR格式",
 		})
 		return
 	}
@@ -65,11 +72,12 @@ func handleFindPing(c *gin.Context, url string, params map[string]interface{}) {
 	wg.Wait()
 
 	c.JSON(200, gin.H{
-		"type":       "ceFindPing",
-		"cidr":       cidr,
-		"alive_ips":  aliveIPs,
+		"seq":         seq,
+		"type":        "ceFindPing",
+		"cidr":        cidr,
+		"alive_ips":   aliveIPs,
 		"alive_count": len(aliveIPs),
-		"total_ips":  len(ipList),
+		"total_ips":   len(ipList),
 	})
 }
 
diff --git a/internal/handler/tcping.go b/internal/handler/tcping.go
index 8b99366..c64023c 100644
--- a/internal/handler/tcping.go
+++ b/internal/handler/tcping.go
@@ -10,13 +10,20 @@ import (
 )
 
 func handleTCPing(c *gin.Context, url string, params map[string]interface{}) {
+	// 获取seq参数
+	seq := ""
+	if seqVal, ok := params["seq"].(string); ok {
+		seq = seqVal
+	}
+
 	// 解析host:port格式
 	parts := strings.Split(url, ":")
 	if len(parts) != 2 {
 		c.JSON(200, gin.H{
-			"type":  "ceTCPing",
-			"url":   url,
-			"error": "格式错误，需要 host:port",
+			"seq":    seq,
+			"type":   "ceTCPing",
+			"url":    url,
+			"error":  "格式错误，需要 host:port",
 		})
 		return
 	}
@@ -26,13 +33,30 @@ func handleTCPing(c *gin.Context, url string, params map[string]interface{}) {
 	port, err := strconv.Atoi(portStr)
 	if err != nil {
 		c.JSON(200, gin.H{
-			"type":  "ceTCPing",
-			"url":   url,
-			"error": "端口格式错误",
+			"seq":    seq,
+			"type":   "ceTCPing",
+			"url":    url,
+			"error":  "端口格式错误",
 		})
 		return
 	}
 
+	// 解析hostname获取IP
+	var primaryIP string
+	ips, err := net.LookupIP(host)
+	if err == nil && len(ips) > 0 {
+		// 优先使用IPv4
+		for _, ip := range ips {
+			if ip.To4() != nil {
+				primaryIP = ip.String()
+				break
+			}
+		}
+		if primaryIP == "" && len(ips) > 0 {
+			primaryIP = ips[0].String()
+		}
+	}
+
 	// 执行TCP连接测试
 	start := time.Now()
 	conn, err := net.DialTimeout("tcp", net.JoinHostPort(host, portStr), 5*time.Second)
@@ -40,20 +64,31 @@ func handleTCPing(c *gin.Context, url string, params map[string]interface{}) {
 
 	if err != nil {
 		c.JSON(200, gin.H{
-			"type":    "ceTCPing",
-			"url":     url,
-			"host":    host,
-			"port":    port,
+			"seq":    seq,
+			"type":   "ceTCPing",
+			"url":    url,
+			"ip":     primaryIP,
+			"host":   host,
+			"port":   port,
 			"latency": -1,
-			"error":   err.Error(),
+			"error":  err.Error(),
 		})
 		return
 	}
 	defer conn.Close()
 
+	// 如果之前没有获取到IP，从连接中获取
+	if primaryIP == "" {
+		if addr, ok := conn.RemoteAddr().(*net.TCPAddr); ok {
+			primaryIP = addr.IP.String()
+		}
+	}
+
 	c.JSON(200, gin.H{
+		"seq":     seq,
 		"type":    "ceTCPing",
 		"url":     url,
+		"ip":      primaryIP,
 		"host":    host,
 		"port":    port,
 		"latency": latency,