diff --git a/services/implementation/src/devicestate/dm_device_state_manager.cpp b/services/implementation/src/devicestate/dm_device_state_manager.cpp
index dad3d24d4beeef46fa51037870a852cd1d8f8550..e5783a48e1f900944b4c78f389b8187b7d6d7466 100644
--- a/services/implementation/src/devicestate/dm_device_state_manager.cpp
+++ b/services/implementation/src/devicestate/dm_device_state_manager.cpp
@@ -170,11 +170,13 @@ void DmDeviceStateManager::HandleDeviceStatusChange(DmDeviceState devState, DmDe
 
 void DmDeviceStateManager::ProcessDeviceStateChange(const DmDeviceState devState, const DmDeviceInfo &devInfo)
 {
+    LOGI("ProcessDeviceStateChange begin, devState = %{public}d", devState);
     CHECK_NULL_VOID(softbusConnector_);
     CHECK_NULL_VOID(listener_);
     std::vector<ProcessInfo> processInfoVec = softbusConnector_->GetProcessInfo();
     for (const auto &item : processInfoVec) {
         if (!item.pkgName.empty()) {
+            LOGI("ProcessDeviceStateChange, pkgName = %{public}s", item.pkgName.c_str());
             listener_->OnDeviceStateChange(item, devState, devInfo);
         }
     }
diff --git a/services/service/src/device_manager_service.cpp b/services/service/src/device_manager_service.cpp
index 77278786900b06bf3cdf964881ff8a7facd55d0a..9d25cfb401efca6929c3756701d5ae3ced39954d 100755
--- a/services/service/src/device_manager_service.cpp
+++ b/services/service/src/device_manager_service.cpp
@@ -762,6 +762,7 @@ int32_t DeviceManagerService::SetUserOperation(std::string &pkgName, int32_t act
 
 void DeviceManagerService::HandleDeviceStatusChange(DmDeviceState devState, DmDeviceInfo &devInfo)
 {
+    LOGI("DeviceManagerService::HandleDeviceStatusChange start, devState = %{public}d", devState);
     if (IsDMServiceImplReady()) {
         dmServiceImpl_->HandleDeviceStatusChange(devState, devInfo);
     }
diff --git a/services/service/src/device_manager_service_listener.cpp b/services/service/src/device_manager_service_listener.cpp
index 97a788511d04a4247257bee03e6bab73c92d8308..86d4605bc67099bcb2dabae9c406fbe03e89b208 100644
--- a/services/service/src/device_manager_service_listener.cpp
+++ b/services/service/src/device_manager_service_listener.cpp
@@ -155,7 +155,7 @@ int32_t DeviceManagerServiceListener::FillUdidAndUuidToDeviceInfo(const std::str
 void DeviceManagerServiceListener::ProcessDeviceStateChange(const ProcessInfo &processInfo, const DmDeviceState &state,
     const DmDeviceInfo &info, const DmDeviceBasicInfo &deviceBasicInfo)
 {
-    LOGI("In");
+    LOGI("DeviceManagerServiceListener::ProcessDeviceStateChange, state = %{public}d", state);
     std::vector<ProcessInfo> processInfoVec = GetNotifyProcessInfoByUserId(processInfo.userId,
         DmCommonNotifyEvent::REG_DEVICE_STATE);
     std::vector<ProcessInfo> hpProcessInfoVec;
@@ -803,6 +803,7 @@ void DeviceManagerServiceListener::ProcessAppOnline(const std::vector<ProcessInf
                 alreadyOnlinePkgName_[notifyPkgName] = info;
             }
         }
+        LOGI("ProcessAppOnline notifyState = %{public}d", notifyState);
         SetDeviceInfo(pReq, it, notifyState, info, deviceBasicInfo);
         ipcServerListener_.SendRequest(SERVER_DEVICE_STATE_NOTIFY, pReq, pRsp);
     }