diff --git a/interfaces/kits/js/cloudfilesync/cloud_file_version_napi.cpp b/interfaces/kits/js/cloudfilesync/cloud_file_version_napi.cpp
index 0912800e4b9d5b95516f33f38a0f955efa60651b..adaf01bdd9d52f10b3b8c5f6b2d8c6ad0da1e6b1 100644
--- a/interfaces/kits/js/cloudfilesync/cloud_file_version_napi.cpp
+++ b/interfaces/kits/js/cloudfilesync/cloud_file_version_napi.cpp
@@ -444,6 +444,7 @@ VersionDownloadCallbackImpl::VersionDownloadCallbackImpl(napi_env env, napi_valu
 
 void VersionDownloadCallbackImpl::OnComplete(UvChangeMsg *msg)
 {
+    LOGI("OnComplete state: %{public}d, error: %{public}d", (int32_t)msg->state_, (int32_t)msg->error_);
     auto downloadcCallback = msg->downloadCallback_.lock();
     if (downloadcCallback == nullptr || downloadcCallback->cbOnRef_ == nullptr) {
         LOGE("downloadcCallback->cbOnRef_ is nullptr");
diff --git a/interfaces/kits/js/cloudfilesync/cloud_sync_napi.cpp b/interfaces/kits/js/cloudfilesync/cloud_sync_napi.cpp
index c92c1db48a145e50ee9eaf06579c5298a1a2c3de..c37faea6262a6df741b3130eea3d963b0b194e4f 100644
--- a/interfaces/kits/js/cloudfilesync/cloud_sync_napi.cpp
+++ b/interfaces/kits/js/cloudfilesync/cloud_sync_napi.cpp
@@ -127,6 +127,7 @@ CloudSyncCallbackImpl::CloudSyncCallbackImpl(napi_env env, napi_value fun) : env
 
 void CloudSyncCallbackImpl::OnComplete(UvChangeMsg *msg)
 {
+    LOGI("OnComplete state: %{public}d, error: %{public}d", (int32_t)msg->state_, (int32_t)msg->error_);
     auto cloudSyncCallback = msg->cloudSyncCallback_.lock();
     if (cloudSyncCallback == nullptr || cloudSyncCallback->cbOnRef_ == nullptr) {
         LOGE("cloudSyncCallback->cbOnRef_ is nullptr");
@@ -206,6 +207,7 @@ void CloudSyncCallbackImpl::OnSyncStateChanged(SyncType type, SyncPromptState st
 
 void CloudOptimizeCallbackImpl::OnOptimizeProcess(const OptimizeState state, const int32_t progress)
 {
+    LOGI("OnOptimizeProcess state: %{public}d, progress: %{public}d", (int32_t)state, progress);
     napi_env env = env_;
     auto task = [this, env, state, progress] () {
         if (!cbOnRef_) {
@@ -1193,6 +1195,7 @@ void ChangeListenerNapi::OnChange(CloudChangeListener &listener, const napi_ref
 int32_t ChangeListenerNapi::SendEvent(UvChangeMsg *msg)
 {
     auto task = [msg]() {
+        LOGI("Start SendEvent");
         // js thread
         napi_env env = msg->env_;
         napi_handle_scope scope = nullptr;
diff --git a/interfaces/kits/js/cloudfilesync/register_callback_manager_napi.cpp b/interfaces/kits/js/cloudfilesync/register_callback_manager_napi.cpp
index 12cdea8fab6938436c458cda8e18ba45fa67c90d..e45be72ef04d6c8cff23984a47fcfeaebcac6229 100644
--- a/interfaces/kits/js/cloudfilesync/register_callback_manager_napi.cpp
+++ b/interfaces/kits/js/cloudfilesync/register_callback_manager_napi.cpp
@@ -36,6 +36,7 @@ napi_status RegisterCallbackManagerNapi::RegisterCallback(napi_value callback)
     }
 
     callbackList_.push_back(std::make_pair(true, ref));
+    LOGI("RegisterCallback size is %{public}zu, validRefNum is %{puiblic}u", callbackList.size(), validRefNum_.load());
     validRefNum_++;
     return napi_ok;
 }
@@ -74,7 +75,7 @@ napi_status RegisterCallbackManagerNapi::UnregisterCallback(napi_value callback)
             break;
         }
     }
-
+    LOGI("UnregisterCallback, size is %{public}zu, validRefNum is %{puiblic}u", callbackList.size(), validRefNum_.load());
     return napi_ok;
 }
 
@@ -105,6 +106,7 @@ bool RegisterCallbackManagerNapi::IsExisted(napi_value callback)
 // Running in JS thread
 void RegisterCallbackManagerNapi::OnJsCallback(napi_value *value, uint32_t argc)
 {
+    LOGI("OnJsCallback size is %{public}zu, validRefNum is %{puiblic}u", callbackList.size(), validRefNum_.load());
     std::lock_guard<std::recursive_mutex> lock(callbackMtx_);
     for (auto iter = callbackList_.begin(); iter != callbackList_.end();) {
         if (!iter->first) {
diff --git a/interfaces/kits/js/cloudsyncmanager/downgrade_download_napi.cpp b/interfaces/kits/js/cloudsyncmanager/downgrade_download_napi.cpp
index 451e9c8d6e3b5c2c8bc0343bdae73980341b2ac3..14f7d5dcaa41ecb53261ae3b9353621cf2c72a2e 100644
--- a/interfaces/kits/js/cloudsyncmanager/downgrade_download_napi.cpp
+++ b/interfaces/kits/js/cloudsyncmanager/downgrade_download_napi.cpp
@@ -93,6 +93,7 @@ void DowngradeDlCallbackImpl::UpdateDownloadProgress(const DowngradeProgress &pr
 
 void DowngradeDlCallbackImpl::OnDownloadProcess(const DowngradeProgress &progress)
 {
+    LOGI("Start OnDownloadProcess");
     UpdateDownloadProgress(progress);
     std::shared_ptr<DowngradeDlCallbackImpl> callbackImpl = shared_from_this();
     napi_status status = napi_send_event(