diff --git a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/KingMaForwarder.java b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/KingMaForwarder.java
index a6c0d1ef..6cab5736 100644
--- a/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/KingMaForwarder.java
+++ b/sec-beidou-fwd/src/main/java/com/imdroid/beidou_fwd/task/KingMaForwarder.java
@@ -49,7 +49,7 @@ public class KingMaForwarder extends Forwarder{
     /**
      * 每半小时转发GNSS解算结果
      */
-    @Scheduled(cron = "0 0/30 * * * ?") // 每30分钟执行一次
+    @Scheduled(cron = "0 0 0/1 * * ?") // 每小时执行一次
     private void forwardGnss() {
         logger.info("kingma forwardGnss");
         forwardCurrentGnss(FORWARDER_NAME);
diff --git a/sec-beidou/src/main/resources/templates/page/device_overview.html b/sec-beidou/src/main/resources/templates/page/device_overview.html
index e737ad16..9b36344c 100644
--- a/sec-beidou/src/main/resources/templates/page/device_overview.html
+++ b/sec-beidou/src/main/resources/templates/page/device_overview.html
@@ -94,6 +94,7 @@
                     [/]
             ];
         var loc_green = new BMapGL.Icon("../images/loc1_green.png", new BMapGL.Size(18, 24));
+        var loc_red = new BMapGL.Icon("../images/loc1_red.png", new BMapGL.Size(18, 24));
 
         //console.log(deviceList);
         for(var i=0; i<deviceList.length; i++) {