diff --git a/README.md b/README.md
index d74687a..f919066 100644
--- a/README.md
+++ b/README.md
@@ -337,8 +337,8 @@ BACKEND_URL=http://192.168.1.100:8080 ./run.sh start
 版本号统一从 `version.json` 文件读取：
 ```json
 {
-  "version": "1.1.2",
-  "tag": "v1.1.2"
+  "version": "1.1.3",
+  "tag": "v1.1.3"
 }
 ```
 
@@ -414,8 +414,8 @@ BACKEND_URL=http://192.168.1.100:8080 ./run.sh start
 版本号和标签统一从 `version.json` 文件读取：
 ```json
 {
-  "version": "1.1.2",
-  "tag": "v1.1.2"
+  "version": "1.1.3",
+  "tag": "v1.1.3"
 }
 ```
 
@@ -605,7 +605,7 @@ tail -n 100 node.log
 
 ## 更新日志
 
-### v1.1.2 (最新)
+### v1.1.3 (最新)
 
 **新增功能：**
 - ✨ 添加日志文件输出功能，支持配置日志文件路径和级别
diff --git a/internal/heartbeat/reporter.go b/internal/heartbeat/reporter.go
index ecedcae..6f8c6f0 100644
--- a/internal/heartbeat/reporter.go
+++ b/internal/heartbeat/reporter.go
@@ -7,6 +7,8 @@ import (
 	"fmt"
 	"io"
 	"net/http"
+	"net/url"
+	"os"
 	"sync"
 	"time"
 
@@ -110,10 +112,25 @@ func (r *Reporter) Stop() {
 	close(r.stopCh)
 }
 
+// buildHeartbeatBody 构建心跳请求体
+func buildHeartbeatBody() string {
+	hostname, err := os.Hostname()
+	if err != nil {
+		hostname = "unknown"
+	}
+
+	values := url.Values{}
+	values.Set("type", "pingServer")
+	values.Set("version", "2")
+	values.Set("host_name", hostname)
+
+	return values.Encode()
+}
+
 // RegisterNode 注册节点（安装时或首次启动时调用）
 func RegisterNode(cfg *config.Config) error {
 	url := fmt.Sprintf("%s/api/node/heartbeat", cfg.Backend.URL)
-	req, err := http.NewRequest("POST", url, bytes.NewBufferString("type=pingServer"))
+	req, err := http.NewRequest("POST", url, bytes.NewBufferString(buildHeartbeatBody()))
 	if err != nil {
 		return fmt.Errorf("创建心跳请求失败: %w", err)
 	}
@@ -193,7 +210,7 @@ func RegisterNode(cfg *config.Config) error {
 func (r *Reporter) sendHeartbeat() {
 	// 发送心跳（使用Form格式，兼容旧接口）
 	url := fmt.Sprintf("%s/api/node/heartbeat", r.cfg.Backend.URL)
-	req, err := http.NewRequest("POST", url, bytes.NewBufferString("type=pingServer"))
+	req, err := http.NewRequest("POST", url, bytes.NewBufferString(buildHeartbeatBody()))
 	if err != nil {
 		r.logger.Error("创建心跳请求失败", zap.Error(err))
 		return
diff --git a/version.json b/version.json
index dc3a95c..ebeb4d5 100644
--- a/version.json
+++ b/version.json
@@ -1,4 +1,4 @@
 {
-  "version": "1.1.2",
-  "tag": "v1.1.2"
+  "version": "1.1.3",
+  "tag": "v1.1.3"
 }