修改经纬工卡链路保持的指令

src/main/java/com/tidecloud/dataacceptance/service/impl/JingWeiCardServerHandler.java

@@ -71,9 +71,9 @@ public class JingWeiCardServerHandler extends HexBinaryAcceptanceHandlerAdapter
         voiceReplyToClient(advice.getDeviceId(), channel);
 
         switch (advice.getAdviceType()) {
-            case "LK": // 链路保持
+            case "KA": // 链路保持
                 sendMsg2Kafka((msg + DateUtil.formatDate2String(new Date())).getBytes(), advice.getDeviceId(), channel);
-                normalReply(advice, channel, "LK");
+                normalReply(advice, channel, "KA");
                 deviceChannelMap.put(advice.getDeviceId(), channel);
                 deviceMsgClient.acceptDeviceMsgParam("JingWei",
                         advice.getDeviceId(),