diff --git a/sec-api/src/main/java/com/imdroid/secapi/client/RtcmClient.java b/sec-api/src/main/java/com/imdroid/secapi/client/RtcmClient.java
index 04152067..7212ee59 100644
--- a/sec-api/src/main/java/com/imdroid/secapi/client/RtcmClient.java
+++ b/sec-api/src/main/java/com/imdroid/secapi/client/RtcmClient.java
@@ -10,7 +10,7 @@ public interface RtcmClient {
     HttpResp config(@RequestParam(name = "deviceId") String deviceId, @RequestParam(name = "configuration") String configData);
 
     @PostMapping("/device_param_changed")
-    HttpResp deviceParamChanged(@RequestParam(name = "deviceId") String deviceId);
+    HttpResp deviceParamChanged(@RequestParam(name = "deviceId") String deviceId,@RequestParam(name = "oldParentId") String oldParentId);
 
     @PostMapping("/group_param_changed")
     HttpResp groupParamChanged();
diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D331RtcmMessageExecutor.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D331RtcmMessageExecutor.java
index 9268fee8..b9003706 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D331RtcmMessageExecutor.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/executor/D331RtcmMessageExecutor.java
@@ -48,7 +48,7 @@ public class D331RtcmMessageExecutor implements Executor<D331RtcmMessage, Void>
             byte[] forwardBytes = message.getSrcData();
             // 要求快速转发，因此用缓存，不要每次都查数据库
             List<Device> deviceList = deviceService.findByParentId(id);
-            logger.debug("base station {} has {} rovers: ", message.getId(),deviceList.size());
+            //logger.debug("base station {} has {} rovers: ", message.getId(),deviceList.size());
             for (Device device : deviceList) {
                 if (device.getOpMode() != GnssDevice.OP_MODE_USE) continue;
                 String deviceId = device.getDeviceId();
diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/sal/LocalDeviceServiceImpl.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/sal/LocalDeviceServiceImpl.java
index 88dd42de..43693fb0 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/sal/LocalDeviceServiceImpl.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/sal/LocalDeviceServiceImpl.java
@@ -57,11 +57,14 @@ public class LocalDeviceServiceImpl implements DeviceService {
         return device;
     }
 
-    public void refresh(String deviceId){
+    public void refresh(String deviceId, String oldParentId){
         Device device = deviceCache.getIfPresent(deviceId);
         if (device != null) {
             if(device.getParentId()!=null) {
                 subDeviceCache.invalidate(device.getParentId());
+                if(oldParentId!=null && !oldParentId.equals(device.getParentId())){
+                    subDeviceCache.invalidate(oldParentId);
+                }
             }
             deviceCache.invalidate(deviceId);
         }
diff --git a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/web/ApiController.java b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/web/ApiController.java
index 637b8008..544bbc0b 100644
--- a/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/web/ApiController.java
+++ b/sec-beidou-rtcm/src/main/java/com/imdroid/sideslope/web/ApiController.java
@@ -71,9 +71,9 @@ public class ApiController {
     }
 
     @PostMapping("/device_param_changed")
-    public HttpResp deviceParamChanged(String deviceId) {
+    public HttpResp deviceParamChanged(String deviceId, String oldParentId) {
         // 更新设备缓存
-        localDeviceService.refresh(deviceId);
+        localDeviceService.refresh(deviceId, oldParentId);
         calcService.refreshDeviceCalc(deviceId);
 
         HttpResp resp = new HttpResp();
diff --git a/sec-beidou/src/main/java/com/imdroid/beidou/controller/GnssDeviceController.java b/sec-beidou/src/main/java/com/imdroid/beidou/controller/GnssDeviceController.java
index ef713be8..602902f8 100644
--- a/sec-beidou/src/main/java/com/imdroid/beidou/controller/GnssDeviceController.java
+++ b/sec-beidou/src/main/java/com/imdroid/beidou/controller/GnssDeviceController.java
@@ -200,7 +200,8 @@ public class GnssDeviceController extends BasicController{
         } else {
             // 更新组参数的关联个数
             updateBasicGroupAssociatedNum(device,old_device);
-            rtcmClient.deviceParamChanged(device.getDeviceid());
+            rtcmClient.deviceParamChanged(device.getDeviceid(),
+                    old_device==null?null:old_device.getParentid());
             return HttpResult.ok();
         }
     }
@@ -293,7 +294,7 @@ public class GnssDeviceController extends BasicController{
         if (num == 0) {
             return HttpResult.failed();
         } else{
-            rtcmClient.deviceParamChanged(del_id);
+            rtcmClient.deviceParamChanged(del_id, null);
             return HttpResult.ok();
         }
     }