diff --git a/Common/commonfunc.go b/Common/commonfunc.go
index 5dabeaf..35186e4 100644
--- a/Common/commonfunc.go
+++ b/Common/commonfunc.go
@@ -1024,3 +1024,27 @@ func FormatTimes(now time.Time, format string) string {
 
 	return now.Format(format)
 }
+
+func CheckIPReachable(ip string, port int, timeout time.Duration) bool {
+	conn, err := net.DialTimeout("tcp", fmt.Sprintf("%s:%d", ip, port), timeout)
+	if err != nil {
+		return false
+	}
+	conn.Close()
+	return true
+}
+
+func GetAvailableEndpoint() string {
+	primaryIP := LoadConfig().SeverData.ServerIP
+	backupIP := LoadConfig().SeverData.BackUpServerIP // 替换为实际备选IP
+	port := 9800
+	timeout := 3 * time.Second
+
+	if CheckIPReachable(primaryIP, port, timeout) {
+		return primaryIP
+	}
+	if CheckIPReachable(backupIP, port, timeout) {
+		return backupIP
+	}
+	return ""
+}
diff --git a/main.go b/main.go
index 2fe1b88..3d43824 100644
--- a/main.go
+++ b/main.go
@@ -1817,7 +1817,15 @@ func GetAgenda(AgID string) {
 
 	//通过接口获取会议，人员信息
 	var agendaPersons []Model.T_AgendaPerson = make([]Model.T_AgendaPerson, 0)
-	url := "http://" + Common.LoadConfig().SeverData.ServerIP + ":9800/vhwcapi/v1/web/api/service/congresscontrol/getpersonforcheckdoor"
+
+	targetIP := Common.GetAvailableEndpoint()
+	if targetIP == "" {
+		log.Error("所有IP均不可达")
+		log.Println("所有IP均不可达")
+		return
+	}
+
+	url := "http://" + targetIP + ":9800/vhwcapi/v1/web/api/service/congresscontrol/getpersonforcheckdoor"
 	jsonData := `{}`
 	body, statusCode, err := Common.SendPostRequest(url, jsonData, "application/json")
 	if err != nil {