fix:处理心跳响应失败后：停止发送心跳消息，并启动重新上线

lib/talk/startChart/handle/impl/udp_heart_beat_handler.dart

@@ -16,21 +16,22 @@ class UdpHeartBeatHandler extends ScpMessageBaseHandle
 
   @override
   void handleResp(ScpMessage scpMessage) {
-    // TODO: 收到心跳消息回复
     final HeartbeatResponse heartbeatResponse = scpMessage.Payload;
     final statusCode = heartbeatResponse.statusCode;
     if (statusCode != null &&
         statusCode != PayloadTypeConstant.heartHeatSuccessResponse) {
-      // 停止发送心跳
+      // 心跳回复失败，停止发送心跳
       startChartManage.stopHeartbeat();
       // 心跳响应失败，重新上线
       startChartManage.isOnlineStartChartServer = false;
       startChartManage.reStartOnlineStartChartServer();
+    } else {
+      // 修改间隔为返回的心跳间隔
+      startChartManage.heartbeatIntervalTime =
+          heartbeatResponse.nextPingTime ?? 1;
+      // 修改完间隔之后重新启动发送心跳
+      startChartManage.reStartHeartBeat();
     }
-    startChartManage.heartbeatIntervalTime =
-        heartbeatResponse.nextPingTime ?? 1;
-    // 修改完间隔之后重新启动发送心跳
-    startChartManage.reStartHeartBeat();
   }
 
   @override