diff --git a/frameworks/cj/src/input_method_ffi.cpp b/frameworks/cj/src/input_method_ffi.cpp
index 9016c2878cb1e9217e625a616d3b4a87dd660f9f..64cfb1a8bed4bd4f65abf7dfd2eb73e35d8faf1f 100644
--- a/frameworks/cj/src/input_method_ffi.cpp
+++ b/frameworks/cj/src/input_method_ffi.cpp
@@ -126,7 +126,7 @@ int32_t FfiInputMethodGetSystemInputMethodConfigAbility(CElementName *elem)
     }
     int32_t ret = ctrl->GetInputMethodConfig(inputMethodConfig);
     if (ret == ErrorCode::NO_ERROR) {
-        elem->deviceId = Utils::MallocCString(inputMethodConfig.GetDeviceID());
+        elem->deviceId = Utils::MallocCString(inputMethodConfig.GetDeviceID());  // elem TODO
         elem->bundleName = Utils::MallocCString(inputMethodConfig.GetBundleName());
         elem->abilityName = Utils::MallocCString(inputMethodConfig.GetAbilityName());
         elem->moduleName = Utils::MallocCString(inputMethodConfig.GetModuleName());
diff --git a/frameworks/js/napi/common/js_callback_handler.cpp b/frameworks/js/napi/common/js_callback_handler.cpp
index 94b81e861d2c852c48a5935bdbda067ae5769ffe..6c263dacb18f7b115072003246499bee5cbd5cd5 100644
--- a/frameworks/js/napi/common/js_callback_handler.cpp
+++ b/frameworks/js/napi/common/js_callback_handler.cpp
@@ -23,7 +23,7 @@ constexpr size_t MAX_ARGV_COUNT = 10;
 void JsCallbackHandler::Execute(const std::shared_ptr<JSCallbackObject> &object, const ArgContainer &argContainer,
     napi_value &output)
 {
-    if (object->threadId_ != std::this_thread::get_id()) {
+    if (object->threadId_ != std::this_thread::get_id()) { // object TODO
         IMSA_HILOGW("threadId not same!");
         return;
     }
diff --git a/frameworks/js/napi/common/js_callback_handler.h b/frameworks/js/napi/common/js_callback_handler.h
index 95a245a8ec332b9bb5f406c38cf888521c14763e..8bd758ed02b704b1768e4c1e83f520d12156a704 100644
--- a/frameworks/js/napi/common/js_callback_handler.h
+++ b/frameworks/js/napi/common/js_callback_handler.h
@@ -51,7 +51,7 @@ public:
     {
         InputMethodSyncTrace tracer("Traverse callback with output");
         for (const auto &object : objects) {
-            JsUtil::ScopeGuard scopeGuard(object->env_);
+            JsUtil::ScopeGuard scopeGuard(object->env_); // object TODO
             napi_value jsOutput = nullptr;
             Execute(object, argContainer, jsOutput);
             if (jsOutput != nullptr && JsUtil::GetValue(object->env_, jsOutput, output)) {
diff --git a/frameworks/js/napi/inputmethodclient/async_call.cpp b/frameworks/js/napi/inputmethodclient/async_call.cpp
index 9cb216c17e19e1239f25f795baf975f32eea512a..f6840bf884bce9586388f085ce821ace24afcea2 100644
--- a/frameworks/js/napi/inputmethodclient/async_call.cpp
+++ b/frameworks/js/napi/inputmethodclient/async_call.cpp
@@ -47,7 +47,7 @@ AsyncCall::AsyncCall(napi_env env, napi_callback_info info, std::shared_ptr<Cont
             argc = argc - 1;
         }
     }
-    NAPI_CALL_RETURN_VOID(env, (*context)(env, argc, argv, self));
+    NAPI_CALL_RETURN_VOID(env, (*context)(env, argc, argv, self)); // context TODO
     context_->ctx = std::move(context);
     napi_create_reference(env, self, 1, &context_->self);
 }
@@ -204,7 +204,7 @@ void AsyncCall::OnComplete(napi_env env, napi_status status, void *data)
 void AsyncCall::DeleteContext(napi_env env, AsyncContext *context)
 {
     if (env != nullptr) {
-        napi_delete_reference(env, context->callback);
+        napi_delete_reference(env, context->callback); // context TODO
         napi_delete_reference(env, context->self);
         napi_delete_async_work(env, context->work);
     }
diff --git a/frameworks/js/napi/inputmethodclient/js_get_input_method_textchange_listener.cpp b/frameworks/js/napi/inputmethodclient/js_get_input_method_textchange_listener.cpp
index b55beb6d77a49c366f33036910a8461872be6f96..65d604a4b73aad700b15b583af9c8e5c4a63dcdc 100644
--- a/frameworks/js/napi/inputmethodclient/js_get_input_method_textchange_listener.cpp
+++ b/frameworks/js/napi/inputmethodclient/js_get_input_method_textchange_listener.cpp
@@ -39,7 +39,7 @@ sptr<JsGetInputMethodTextChangedListener> JsGetInputMethodTextChangedListener::G
 
 void JsGetInputMethodTextChangedListener::InsertText(const std::u16string &text)
 {
-    JsGetInputMethodController::GetInstance()->InsertText(text);
+    JsGetInputMethodController::GetInstance()->InsertText(text); // 文件内統一排查GetInstance TODO
 }
 
 void JsGetInputMethodTextChangedListener::DeleteForward(int32_t length)
diff --git a/frameworks/js/napi/inputmethodclient/js_input_method.cpp b/frameworks/js/napi/inputmethodclient/js_input_method.cpp
index 50ba1a67081eacbb4b00f279b46230ea17a73443..f229fdd104e83989a39bf7733bc9e2b9e8c5e337 100644
--- a/frameworks/js/napi/inputmethodclient/js_input_method.cpp
+++ b/frameworks/js/napi/inputmethodclient/js_input_method.cpp
@@ -56,7 +56,7 @@ napi_status JsInputMethod::GetInputMethodProperty(napi_env env, napi_value argv,
     }
     napi_value result = nullptr;
     napi_get_named_property(env, argv, "name", &result);
-    status = JsUtils::GetValue(env, result, ctxt->packageName);
+    status = JsUtils::GetValue(env, result, ctxt->packageName);  // ctxt TODO
     CHECK_RETURN(status == napi_ok, "get name failed!", status);
     result = nullptr;
     napi_get_named_property(env, argv, "id", &result);
@@ -89,7 +89,7 @@ napi_status JsInputMethod::GetInputMethodSubProperty(napi_env env, napi_value ar
         napi_value result = nullptr;
         status = napi_get_named_property(env, argv, "name", &result);
         PARAM_CHECK_RETURN(env, status == napi_ok, " name ", TYPE_STRING, status);
-        status = JsUtils::GetValue(env, result, ctxt->name);
+        status = JsUtils::GetValue(env, result, ctxt->name); // ctxt TODO
         CHECK_RETURN(status == napi_ok, "get name failed!", status);
         result = nullptr;
         status = napi_get_named_property(env, argv, "id", &result);
diff --git a/frameworks/js/napi/keyboardpanelmanager/js_keyboard_panel_manager.cpp b/frameworks/js/napi/keyboardpanelmanager/js_keyboard_panel_manager.cpp
index 1cb5c03bacf41a089aae2d4d544e1f001b674a60..22234c3610c69e554bd486d253408f5c9520f0ed 100644
--- a/frameworks/js/napi/keyboardpanelmanager/js_keyboard_panel_manager.cpp
+++ b/frameworks/js/napi/keyboardpanelmanager/js_keyboard_panel_manager.cpp
@@ -77,7 +77,7 @@ napi_value JsKeyboardPanelManager::ConnectSystemCmd(napi_env env, napi_callback_
     auto ctxt = std::make_shared<PanelManagerContext>();
     auto manager = JsKeyboardPanelManager::GetInstance();
     auto exec = [ctxt, env, manager](AsyncCall::Context *ctx) {
-        auto ret = ImeSystemCmdChannel::GetInstance()->ConnectSystemCmd(manager);
+        auto ret = ImeSystemCmdChannel::GetInstance()->ConnectSystemCmd(manager); // ImeSystemCmdChannel::GetInstance()統一排查 TODO
         ctxt->SetErrorCode(ret);
         CHECK_RETURN_VOID(ret == ErrorCode::NO_ERROR, "ConnectSystemCmd return error!");
         ctxt->SetState(napi_ok);
@@ -107,7 +107,7 @@ napi_value JsKeyboardPanelManager::Subscribe(napi_env env, napi_callback_info in
     std::shared_ptr<JSCallbackObject> callback =
         std::make_shared<JSCallbackObject>(env, argv[1], std::this_thread::get_id(),
             AppExecFwk::EventHandler::Current());
-    manager->RegisterListener(argv[1], type, callback);
+    manager->RegisterListener(argv[1], type, callback);  // JsKeyboardPanelManager::GetInstance()統一排查 TODO
     return JsUtil::Const::Null(env);
 }
 
@@ -222,7 +222,7 @@ napi_value JsKeyboardPanelManager::SendPrivateCommand(napi_env env, napi_callbac
     auto output = [ctxt](napi_env env, napi_value *result) -> napi_status { return napi_ok; };
     auto exec = [ctxt](AsyncCall::Context *ctx) {
         privateCommandQueue_.Wait(ctxt->info);
-        int32_t code = ImeSystemCmdChannel::GetInstance()->SendPrivateCommand(ctxt->privateCommand);
+        int32_t code = ImeSystemCmdChannel::GetInstance()->SendPrivateCommand(ctxt->privateCommand); // ImeSystemCmdChannel::GetInstance()統一排查 TODO
         privateCommandQueue_.Pop();
         if (code == ErrorCode::NO_ERROR) {
             ctxt->SetState(napi_ok);
diff --git a/frameworks/kits/extension/src/inputmethod_extension_context.cpp b/frameworks/kits/extension/src/inputmethod_extension_context.cpp
index d63e67e9f5f22ff23006240b6580e378124a5ede..aa4d396ac2ff4cb3287831e3cd6b43258871af5e 100644
--- a/frameworks/kits/extension/src/inputmethod_extension_context.cpp
+++ b/frameworks/kits/extension/src/inputmethod_extension_context.cpp
@@ -27,7 +27,7 @@ int InputMethodExtensionContext::ILLEGAL_REQUEST_CODE(-1);
 ErrCode InputMethodExtensionContext::StartAbility(const AAFwk::Want &want) const
 {
     IMSA_HILOGD("%{public}s begin.", __func__);
-    ErrCode err = AAFwk::AbilityManagerClient::GetInstance()->StartAbility(want, token_, ILLEGAL_REQUEST_CODE);
+    ErrCode err = AAFwk::AbilityManagerClient::GetInstance()->StartAbility(want, token_, ILLEGAL_REQUEST_CODE); // AbilityManagerClient::GetInstance()統一排查 TODO
     IMSA_HILOGD("%{public}s ret=%{public}d", __func__, err);
     if (err != ERR_OK) {
         IMSA_HILOGE("InputMethodExtensionContext::StartAbility failed: %{public}d", err);
diff --git a/frameworks/kits/extension/src/js_inputmethod_extension.cpp b/frameworks/kits/extension/src/js_inputmethod_extension.cpp
index 2ecf91cbcc0fe34879dec6834db160e6a474f6cc..c690394547412d24efc14162610316ce16b765af 100644
--- a/frameworks/kits/extension/src/js_inputmethod_extension.cpp
+++ b/frameworks/kits/extension/src/js_inputmethod_extension.cpp
@@ -89,7 +89,7 @@ napi_value AttachInputMethodExtensionContext(napi_env env, void *value, void *)
 JsInputMethodExtension *JsInputMethodExtension::Create(const std::unique_ptr<Runtime> &runtime)
 {
     IMSA_HILOGI("JsInputMethodExtension Create.");
-    jsInputMethodExtension = new JsInputMethodExtension(static_cast<JsRuntime &>(*runtime));
+    jsInputMethodExtension = new JsInputMethodExtension(static_cast<JsRuntime &>(*runtime)); //runtime TODO
     return jsInputMethodExtension;
 }
 
@@ -115,7 +115,7 @@ void JsInputMethodExtension::Init(const std::shared_ptr<AbilityLocalRecord> &rec
         return;
     }
 
-    std::string moduleName(Extension::abilityInfo_->moduleName);
+    std::string moduleName(Extension::abilityInfo_->moduleName);  // abilityInfo_統一排查 TODO
     moduleName.append("::").append(abilityInfo_->name);
     IMSA_HILOGI("JsInputMethodExtension, module: %{public}s, srcPath:%{public}s.", moduleName.c_str(), srcPath.c_str());
     HandleScope handleScope(jsRuntime_);
@@ -279,7 +279,7 @@ void JsInputMethodExtension::OnStop()
     InputMethodExtension::OnStop();
     IMSA_HILOGI("JsInputMethodExtension OnStop start.");
     CallObjectMethod("onDestroy");
-    bool ret = ConnectionManager::GetInstance().DisconnectCaller(GetContext()->GetToken());
+    bool ret = ConnectionManager::GetInstance().DisconnectCaller(GetContext()->GetToken());  // GetContext() TODO
     if (ret) {
         IMSA_HILOGI("the input method extension connection is not disconnected.");
     }
diff --git a/frameworks/kits/extension_cj/src/cj_inputmethod_extension_context.cpp b/frameworks/kits/extension_cj/src/cj_inputmethod_extension_context.cpp
index 1352cc98b9586456cfdf785e241ba280c5912a9a..c5cf69f34eec51f6842cfa2408bb999d2d820a9b 100644
--- a/frameworks/kits/extension_cj/src/cj_inputmethod_extension_context.cpp
+++ b/frameworks/kits/extension_cj/src/cj_inputmethod_extension_context.cpp
@@ -22,7 +22,7 @@ static const ErrCode ERROR_INVALIDE_CONTEXT = 16000011;
 
 CjInputMethodExtensionContext::CjInputMethodExtensionContext(
     const std::shared_ptr<InputMethodExtensionContext> &context)
-    : CJExtensionContext(context, context->GetAbilityInfo()), context_(context)
+    : CJExtensionContext(context, context->GetAbilityInfo()), context_(context)  // context TODO
 {
 }
 
diff --git a/services/adapter/keyboard/src/input_event_callback.cpp b/services/adapter/keyboard/src/input_event_callback.cpp
index 5d092a5fd12bc4c151d53c13f01363b05ef42c85..f0f00ccb27ad54616b3931fdc0ead3de9b70e9f4 100644
--- a/services/adapter/keyboard/src/input_event_callback.cpp
+++ b/services/adapter/keyboard/src/input_event_callback.cpp
@@ -25,7 +25,7 @@ const std::map<int32_t, uint8_t> MASK_MAP{
 
 void InputEventCallback::OnInputEvent(std::shared_ptr<MMI::KeyEvent> keyEvent) const
 {
-    auto keyCode = keyEvent->GetKeyCode();
+    auto keyCode = keyEvent->GetKeyCode();  // keyEvent TODO
     auto keyAction = keyEvent->GetKeyAction();
     auto currKey = MASK_MAP.find(keyCode);
     if (currKey == MASK_MAP.end()) {
diff --git a/services/adapter/keyboard/src/keyboard_event.cpp b/services/adapter/keyboard/src/keyboard_event.cpp
index 0240fa072ac3b75aead8e829343ff26eef9ed663..4ae1e73449adf559f2f781e8e778dcaa3d10019a 100644
--- a/services/adapter/keyboard/src/keyboard_event.cpp
+++ b/services/adapter/keyboard/src/keyboard_event.cpp
@@ -30,7 +30,7 @@ int32_t KeyboardEvent::AddKeyEventMonitor(KeyHandle handle)
     IMSA_HILOGI("KeyboardEvent::AddKeyEventMonitor start.");
     std::shared_ptr<InputEventCallback> callback = std::make_shared<InputEventCallback>();
     callback->SetKeyHandle(handle);
-    int32_t monitorId = InputManager::GetInstance()->AddMonitor([callback](std::shared_ptr<MMI::KeyEvent> keyEvent) {
+    int32_t monitorId = InputManager::GetInstance()->AddMonitor([callback](std::shared_ptr<MMI::KeyEvent> keyEvent) { // InputManager::GetInstance()統一排查  TODO
         if (callback == nullptr) {
             IMSA_HILOGE("callback is nullptr!");
             return;
diff --git a/services/identity_checker/src/identity_checker_impl.cpp b/services/identity_checker/src/identity_checker_impl.cpp
index eb62d9de19f19ce0fd43fe0ca3c2281ef2c43fb8..0cba7f2d04ee11ab520598a17de362df133681e3 100644
--- a/services/identity_checker/src/identity_checker_impl.cpp
+++ b/services/identity_checker/src/identity_checker_impl.cpp
@@ -121,7 +121,7 @@ bool IdentityCheckerImpl::IsFocusedUIExtension(uint32_t callingTokenId, sptr<IRe
     }
 
     bool isFocused = false;
-    auto ret = AbilityManagerClient::GetInstance()->CheckUIExtensionIsFocused(callingTokenId, isFocused);
+    auto ret = AbilityManagerClient::GetInstance()->CheckUIExtensionIsFocused(callingTokenId, isFocused);// GetInstance TODO
     if (ret != ErrorCode::NO_ERROR) {
         IMSA_HILOGE("failed to CheckUIExtensionIsFocused, ret: %{public}d", ret);
         return false;
@@ -159,7 +159,7 @@ uint64_t IdentityCheckerImpl::GetDisplayIdByPid(int64_t callingPid, sptr<IRemote
         return displayId;
     }
     AAFwk::UIExtensionSessionInfo info;
-    AAFwk::AbilityManagerClient::GetInstance()->GetUIExtensionSessionInfo(abilityToken, info);
+    AAFwk::AbilityManagerClient::GetInstance()->GetUIExtensionSessionInfo(abilityToken, info);  // GetInstance TODO
     auto windowId = info.hostWindowId;
     displayId = WindowAdapter::GetDisplayIdByWindowId(windowId);
     IMSA_HILOGD("GetDisplayIdByPid displayId: %{public}" PRIu64 "", displayId);
diff --git a/services/src/input_method_system_ability.cpp b/services/src/input_method_system_ability.cpp
index 36508d4e2386a4f2e4695b0070355c61cffe9947..1404db6bd1876dfcc9bedf3f5179453f8a1854a6 100644
--- a/services/src/input_method_system_ability.cpp
+++ b/services/src/input_method_system_ability.cpp
@@ -86,7 +86,7 @@ InputMethodSystemAbility::~InputMethodSystemAbility()
 {
     stop_ = true;
     Message *msg = new Message(MessageID::MSG_ID_QUIT_WORKER_THREAD, nullptr);
-    MessageHandler::Instance()->SendMessage(msg);
+    MessageHandler::Instance()->SendMessage(msg);  // Instance統一排查 TODO
     if (workThreadHandler.joinable()) {
         workThreadHandler.join();
     }
@@ -198,7 +198,7 @@ void InputMethodSystemAbility::OnStart()
     if (ret != ErrorCode::NO_ERROR) {
         InputMethodSysEvent::GetInstance().ServiceFaultReporter("imf", ret);
         auto callback = [=]() { Init(); };
-        serviceHandler_->PostTask(callback, INIT_INTERVAL);
+        serviceHandler_->PostTask(callback, INIT_INTERVAL); // serviceHandler_ 統一排查TODO
         IMSA_HILOGE("init failed. try again 10s later!");
     }
     InitHiTrace();
@@ -501,7 +501,7 @@ int32_t InputMethodSystemAbility::PrepareForOperateKeyboard(std::shared_ptr<PerU
 int32_t InputMethodSystemAbility::SwitchByCondition(const Condition &condition,
     const std::shared_ptr<ImeInfo> &info)
 {
-    auto target = ImeInfoInquirer::GetInstance().FindTargetSubtypeByCondition(info->subProps, condition);
+    auto target = ImeInfoInquirer::GetInstance().FindTargetSubtypeByCondition(info->subProps, condition);// info TODO
     if (target == nullptr) {
         IMSA_HILOGE("target is empty!");
         return ErrorCode::ERROR_BAD_PARAMETERS;
@@ -519,7 +519,7 @@ int32_t InputMethodSystemAbility::SwitchByCondition(const Condition &condition,
 void InputMethodSystemAbility::SubscribeCommonEvent()
 {
     sptr<ImCommonEventManager> imCommonEventManager = ImCommonEventManager::GetInstance();
-    bool isSuccess = imCommonEventManager->SubscribeEvent();
+    bool isSuccess = imCommonEventManager->SubscribeEvent(); //ImCommonEventManager::GetInstance() 統一排查TODO
     if (isSuccess) {
         IMSA_HILOGI("initialize subscribe service event success.");
         return;
@@ -712,7 +712,7 @@ int32_t InputMethodSystemAbility::CheckInputTypeOption(int32_t userId, InputClie
         session->RestoreCurrentImeSubType(DEFAULT_DISPLAY_ID);
     }
 #ifdef IMF_SCREENLOCK_MGR_ENABLE
-    if (ScreenLock::ScreenLockManager::GetInstance()->IsScreenLocked()) {
+    if (ScreenLock::ScreenLockManager::GetInstance()->IsScreenLocked()) { //ScreenLockManager::GetInstance() 統一排查 TODO
         std::string ime;
         if (GetScreenLockIme(userId, ime) != ErrorCode::NO_ERROR) {
             IMSA_HILOGE("not ime screenlocked");
@@ -1240,7 +1240,7 @@ void InputMethodSystemAbility::GetValidSubtype(const std::string &subName, const
     if (subName.empty()) {
         IMSA_HILOGW("undefined subtype");
         info->subProp.id = UNDEFINED;
-        info->subProp.name = UNDEFINED;
+        info->subProp.name = UNDEFINED;  //info TODO
     }
 }
 
@@ -1315,7 +1315,7 @@ int32_t InputMethodSystemAbility::SwitchExtension(int32_t userId, const std::sha
         IMSA_HILOGE("%{public}d session is nullptr!", userId);
         return ErrorCode::ERROR_NULL_POINTER;
     }
-    std::string targetImeName = info->prop.name + "/" + info->prop.id;
+    std::string targetImeName = info->prop.name + "/" + info->prop.id; //info TODO
     ImeCfgManager::GetInstance().ModifyImeCfg({ userId, targetImeName, info->subProp.id, false });
     ImeNativeCfg targetIme = { targetImeName, info->prop.name, info->subProp.id, info->prop.id };
     auto ret = session->StartIme(std::make_shared<ImeNativeCfg>(targetIme));
@@ -1431,7 +1431,7 @@ ErrCode InputMethodSystemAbility::GetDefaultInputMethod(Property &prop, bool isB
 {
     std::shared_ptr<Property> property = std::make_shared<Property>(prop);
     auto ret = ImeInfoInquirer::GetInstance().GetDefaultInputMethod(GetCallingUserId(), property, isBrief);
-    if (ret == ErrorCode::NO_ERROR) {
+    if (ret == ErrorCode::NO_ERROR) { //TODO property
         prop = *property;
     }
     return ret;
@@ -1467,7 +1467,7 @@ void InputMethodSystemAbility::WorkThread()
 {
     pthread_setname_np(pthread_self(), "OS_IMSAWorkThread");
     while (!stop_) {
-        Message *msg = MessageHandler::Instance()->GetMessage();
+        Message *msg = MessageHandler::Instance()->GetMessage(); //Instance()/msg TODO
         switch (msg->msgId_) {
             case MSG_ID_USER_START: {
                 OnUserStarted(msg);
@@ -1544,7 +1544,7 @@ void InputMethodSystemAbility::WorkThread()
  */
 int32_t InputMethodSystemAbility::OnUserStarted(const Message *msg)
 {
-    if (msg->msgContent_ == nullptr) {
+    if (msg->msgContent_ == nullptr) {  // msg TODO
         IMSA_HILOGE("msgContent_ is nullptr!");
         return ErrorCode::ERROR_NULL_POINTER;
     }
diff --git a/services/src/peruser_session.cpp b/services/src/peruser_session.cpp
index c67651e7e9f31c76ff2ae14e7cf4d7fecc8ea117..c49452e2a15bbe8a3515a3ec67e7110893d72df2 100644
--- a/services/src/peruser_session.cpp
+++ b/services/src/peruser_session.cpp
@@ -114,7 +114,7 @@ int32_t PerUserSession::HideKeyboard(
         IMSA_HILOGE("current client is nullptr!");
         return ErrorCode::ERROR_NULL_POINTER;
     }
-    auto clientInfo = clientGroup->GetClientInfo(currentClient->AsObject());
+    auto clientInfo = clientGroup->GetClientInfo(currentClient->AsObject()); //clientGroup TODO
     if (clientInfo == nullptr) {
         IMSA_HILOGE("client info is nullptr!");
         return ErrorCode::ERROR_CLIENT_NOT_FOUND;
@@ -845,7 +845,7 @@ int32_t PerUserSession::InitInputControlChannel()
         return ErrorCode::ERROR_NULL_POINTER;
     }
     auto data = GetReadyImeData(ImeType::IME);
-    if (data == nullptr) {
+    if (data == nullptr) {  // data->core 統一排查所有GetReadyImeData的調用処 TODO
         IMSA_HILOGE("ime: %{public}d is not exist!", ImeType::IME);
         return ErrorCode::ERROR_IME_NOT_STARTED;
     }
@@ -984,7 +984,7 @@ std::shared_ptr<ImeData> PerUserSession::GetReadyImeData(ImeType type)
     if (it == imeData_.end()) {
         return nullptr;
     }
-    if (it->second->imeStatus != ImeStatus::READY) {
+    if (it->second->imeStatus != ImeStatus::READY) {  // TODO it->second
         return nullptr;
     }
     return it->second;
@@ -1010,7 +1010,7 @@ void PerUserSession::RemoveImeData(ImeType type, bool isImeDied)
         return;
     }
     auto data = it->second;
-    if (isImeDied && data->core != nullptr && data->core->AsObject() != nullptr) {
+    if (isImeDied && data->core != nullptr && data->core->AsObject() != nullptr) { // data TODO
         data->core->AsObject()->RemoveDeathRecipient(data->deathRecipient);
     }
     imeData_.erase(type);
@@ -1232,7 +1232,7 @@ int32_t PerUserSession::ChangeToDefaultImeIfNeed(
     IMSA_HILOGD("no need");
     return ErrorCode::NO_ERROR;
 #endif
-    if (!ScreenLock::ScreenLockManager::GetInstance()->IsScreenLocked()) {
+    if (!ScreenLock::ScreenLockManager::GetInstance()->IsScreenLocked()) { // GetInstance TODO
         IMSA_HILOGD("no need");
         imeToStart = targetIme;
         return ErrorCode::NO_ERROR;
@@ -1257,7 +1257,7 @@ AAFwk::Want PerUserSession::GetWant(const std::shared_ptr<ImeNativeCfg> &ime)
 {
     bool isolatedSandBox = true;
     EnabledStatus status = EnabledStatus::BASIC_MODE;
-    if (ImeEnabledInfoManager::GetInstance().IsDefaultFullMode(userId_, ime->bundleName)) {
+    if (ImeEnabledInfoManager::GetInstance().IsDefaultFullMode(userId_, ime->bundleName)) { // ime TODO
         status = EnabledStatus::FULL_EXPERIENCE_MODE;
         isolatedSandBox = false;
     } else {
@@ -1287,7 +1287,7 @@ int32_t PerUserSession::StartInputService(const std::shared_ptr<ImeNativeCfg> &i
     if (ret != ErrorCode::NO_ERROR) {
         return ret;
     }
-    InitImeData({ imeToStart->bundleName, imeToStart->extName }, ime);
+    InitImeData({ imeToStart->bundleName, imeToStart->extName }, ime); //imeToStart TODO
     isImeStarted_.Clear(false);
     sptr<AAFwk::IAbilityConnection> connection = new (std::nothrow) ImeConnection();
     if (connection == nullptr) {
@@ -1343,7 +1343,7 @@ int32_t PerUserSession::OnPanelStatusChange(
 
 int32_t PerUserSession::OnUpdateListenEventFlag(const InputClientInfo &clientInfo)
 {
-    auto remoteClient = clientInfo.client->AsObject();
+    auto remoteClient = clientInfo.client->AsObject();  // clientInfo.client TODO
     auto ret = AddClientInfo(remoteClient, clientInfo, START_LISTENING);
     if (ret != ErrorCode::NO_ERROR) {
         IMSA_HILOGE("failed to AddClientInfo!");
@@ -1784,7 +1784,7 @@ int32_t PerUserSession::UpdateImeData(sptr<IInputMethodCore> core, sptr<IRemoteO
     if (it == imeData_.end()) {
         return ErrorCode::ERROR_NULL_POINTER;
     }
-    it->second->core = core;
+    it->second->core = core; // it->second TODO
     it->second->agent = agent;
     it->second->pid = pid;
     it->second->imeStateManager = ImeStateManagerFactory::GetInstance().CreateImeStateManager(pid, [this] {
@@ -1813,7 +1813,7 @@ int32_t PerUserSession::InitConnect(pid_t pid)
     if (it == imeData_.end()) {
         return ErrorCode::ERROR_NULL_POINTER;
     }
-    it->second->pid = pid;
+    it->second->pid = pid; // it->second TODO
     return ErrorCode::NO_ERROR;
 }
 
@@ -1857,7 +1857,7 @@ ImeAction PerUserSession::GetImeAction(ImeEvent action)
     if (it == imeData_.end()) {
         return ImeAction::DO_ACTION_IN_NULL_IME_DATA;
     }
-    auto iter = imeEventConverter_.find({ it->second->imeStatus, action });
+    auto iter = imeEventConverter_.find({ it->second->imeStatus, action });  // it->second TODO
     if (iter == imeEventConverter_.end()) {
         IMSA_HILOGE("abnormal!");
         return ImeAction::DO_ACTION_IN_IME_EVENT_CONVERT_FAILED;
@@ -1990,7 +1990,7 @@ int32_t PerUserSession::ForceStopCurrentIme(bool isNeedWait)
 
     AAFwk::Want want;
     want.SetElementName(imeData->ime.first, imeData->ime.second);
-    auto ret = AAFwk::AbilityManagerClient::GetInstance()->StopExtensionAbility(
+    auto ret = AAFwk::AbilityManagerClient::GetInstance()->StopExtensionAbility(  //GetInstance TODO
         want, nullptr, userId_, AppExecFwk::ExtensionAbilityType::INPUTMETHOD);
     if (ret != ErrorCode::NO_ERROR) {
         IMSA_HILOGE("StopExtensionAbility [%{public}s, %{public}s] failed, ret: %{public}d!",
@@ -2117,7 +2117,7 @@ void PerUserSession::HandleImeBindTypeChanged(
     bool isClientInactive = false;
     {
         std::lock_guard<std::mutex> lock(focusedClientLock_);
-        oldClientInfo = clientGroup->GetCurrentClientInfo();
+        oldClientInfo = clientGroup->GetCurrentClientInfo();  // clientGroup TODO
         if (oldClientInfo == nullptr) {
             auto inactiveClient = clientGroup->GetInactiveClient();
             if (inactiveClient != nullptr) {
@@ -2337,7 +2337,7 @@ bool PerUserSession::SpecialScenarioCheck()
         IMSA_HILOGE("send failed, is collaborative input!");
         return false;
     }
-    if (ScreenLock::ScreenLockManager::GetInstance()->IsScreenLocked()) {
+    if (ScreenLock::ScreenLockManager::GetInstance()->IsScreenLocked()) { //GetInstance TODO
         IMSA_HILOGE("send failed, is screen locked");
         return false;
     }
@@ -2403,7 +2403,7 @@ bool PerUserSession::IsDefaultDisplayGroup(uint64_t displayId)
 
 void PerUserSession::ClearRequestKeyboardReason(std::shared_ptr<InputClientInfo> &clientInfo)
 {
-    clientInfo->requestKeyboardReason = RequestKeyboardReason::NONE;
+    clientInfo->requestKeyboardReason = RequestKeyboardReason::NONE;  //clientInfo TODO
 }
 
 bool PerUserSession::IsNumkeyAutoInputApp(const std::string &bundleName)