diff --git a/src/Composition/CompositionProcessorEngine.cpp b/src/Composition/CompositionProcessorEngine.cpp
index 6d20db28..6290a197 100644
--- a/src/Composition/CompositionProcessorEngine.cpp
+++ b/src/Composition/CompositionProcessorEngine.cpp
@@ -1041,6 +1041,21 @@ void CCompositionProcessorEngine::SetIMEMode(_In_ ITfThreadMgr *pThreadMgr, TfCl
     }
 }
 
+/**
+ * @brief 获取当前 IME 的状态
+ *
+ * @param pThreadMgr
+ * @param tfClientId
+ * @return BOOL True: 中文输入法打开， False: 中文输入法关闭
+ */
+BOOL CCompositionProcessorEngine::GetIMEMode(_In_ ITfThreadMgr *pThreadMgr, TfClientId tfClientId)
+{
+    BOOL isOpen = FALSE;
+    CCompartment CompartmentKeyboardOpen(pThreadMgr, tfClientId, GUID_COMPARTMENT_KEYBOARD_OPENCLOSE);
+    CompartmentKeyboardOpen._GetCompartmentBOOL(isOpen);
+    return isOpen;
+}
+
 //+---------------------------------------------------------------------------
 //
 // SetPunctuationMode
@@ -1058,6 +1073,21 @@ void CCompositionProcessorEngine::SetPunctuationMode(_In_ ITfThreadMgr *pThreadM
     }
 }
 
+/**
+ * @brief 获取当前标点符号模式
+ *
+ * @param pThreadMgr
+ * @param tfClientId
+ * @return BOOL True: 中文标点符号打开， False: 中文标点符号关闭
+ */
+BOOL CCompositionProcessorEngine::GetPunctuationMode(_In_ ITfThreadMgr *pThreadMgr, TfClientId tfClientId)
+{
+    BOOL isOpen = FALSE;
+    CCompartment CompartmentPunctuation(pThreadMgr, tfClientId, Global::MetasequoiaIMEGuidCompartmentPunctuation);
+    CompartmentPunctuation._GetCompartmentBOOL(isOpen);
+    return isOpen;
+}
+
 //+---------------------------------------------------------------------------
 //
 // SetupConfiguration
diff --git a/src/Composition/CompositionProcessorEngine.h b/src/Composition/CompositionProcessorEngine.h
index 2d47eab0..41193c89 100644
--- a/src/Composition/CompositionProcessorEngine.h
+++ b/src/Composition/CompositionProcessorEngine.h
@@ -67,7 +67,9 @@ class CCompositionProcessorEngine
     // Toggle IME Mode
     void ToggleIMEMode(_In_ ITfThreadMgr *pThreadMgr, TfClientId tfClientId);
     void SetIMEMode(_In_ ITfThreadMgr *pThreadMgr, TfClientId tfClientId, BOOL bOpen);
+    BOOL CCompositionProcessorEngine::GetIMEMode(_In_ ITfThreadMgr *pThreadMgr, TfClientId tfClientId);
     void SetPunctuationMode(_In_ ITfThreadMgr *pThreadMgr, TfClientId tfClientId, BOOL bOpen);
+    BOOL GetPunctuationMode(_In_ ITfThreadMgr *pThreadMgr, TfClientId tfClientId);
 
     // Punctuation
     BOOL IsPunctuation(WCHAR wch);
diff --git a/src/IME/MetasequoiaIME.cpp b/src/IME/MetasequoiaIME.cpp
index 35604455..2deac1de 100644
--- a/src/IME/MetasequoiaIME.cpp
+++ b/src/IME/MetasequoiaIME.cpp
@@ -616,6 +616,13 @@ LRESULT CALLBACK CMetasequoiaIME_WindowProc(HWND hWnd, UINT message, WPARAM wPar
         SendIMEActivationEventToUIProcessViaNamedPipe();
         break;
     }
+    case WM_ThreadFocus: {
+        /* 通知 server 端更新一下 ftb 中英和标点的状态 */
+        SendIMEStatusEventToUIProcessViaNamedPipe(                                                          //
+            pIME->GetCompositionProcessorEngine()->GetIMEMode(pIME->_GetThreadMgr(), pIME->_GetClientId()), //
+            pIME->GetCompositionProcessorEngine()->GetPunctuationMode(pIME->_GetThreadMgr(), pIME->_GetClientId()));
+        break;
+    }
     default:
         return DefWindowProc(hWnd, message, wParam, lParam);
     }
diff --git a/src/IME/MetasequoiaIME.h b/src/IME/MetasequoiaIME.h
index 4d56bddd..88492a7f 100644
--- a/src/IME/MetasequoiaIME.h
+++ b/src/IME/MetasequoiaIME.h
@@ -14,6 +14,7 @@ const DWORD WM_ConnectNamedpipe = WM_USER + 1;
 const DWORD WM_DisconnectNamedpipe = WM_USER + 2;
 const DWORD WM_ConnectToTsfNamedpipe = WM_USER + 3;
 const DWORD WM_IMEActivation = WM_USER + 4;
+const DWORD WM_ThreadFocus = WM_USER + 5;
 LRESULT CALLBACK CMetasequoiaIME_WindowProc(HWND wndHandle, UINT uMsg, WPARAM wParam, LPARAM lParam);
 
 class CMetasequoiaIME : public ITfTextInputProcessorEx,
diff --git a/src/IPC/Ipc.cpp b/src/IPC/Ipc.cpp
index b0107377..44adf4e4 100644
--- a/src/IPC/Ipc.cpp
+++ b/src/IPC/Ipc.cpp
@@ -941,6 +941,36 @@ int SendIMEActivationEventToUIProcessViaNamedPipe()
     return 0;
 }
 
+/**
+ * @brief Send IME status to UI process via named pipe
+ *
+ * @param kbdIsOpen
+ * @param puncIsOpen
+ * @return int
+ */
+int SendIMEStatusEventToUIProcessViaNamedPipe(bool kbdIsOpen, bool puncIsOpen)
+{
+    std::wstring status = L"ftbStatus";
+    if (kbdIsOpen)
+    {
+        status += L"1";
+    }
+    else
+    {
+        status += L"0";
+    }
+    if (puncIsOpen)
+    {
+        status += L"1";
+    }
+    else
+    {
+        status += L"0";
+    }
+    SendToAuxNamedpipe(status);
+    return 0;
+}
+
 int SendIMEDeactivationEventToUIProcessViaNamedPipe()
 {
     SendToAuxNamedpipe(L"IMEDeactivation");
diff --git a/src/IPC/Ipc.h b/src/IPC/Ipc.h
index 3726fe2e..f13836ec 100644
--- a/src/IPC/Ipc.h
+++ b/src/IPC/Ipc.h
@@ -117,6 +117,7 @@ int SendMoveCandidateWndEventToUIProcess();
 int SendLangbarRightClickEventToUIProcess(const RECT *prcArea);
 int SendIMEActivationEventToUIProcessViaNamedPipe();
 int SendIMEDeactivationEventToUIProcessViaNamedPipe();
+int SendIMEStatusEventToUIProcessViaNamedPipe(bool kbdIsOpen, bool puncIsOpen);
 int SendIMESwitchEventToUIProcessViaNamedPipe(UINT uImeStatus);
 int SendPuncSwitchEventToUIProcessViaNamedPipe(BOOL isPunc);
 
diff --git a/src/Thread/ThreadFocusSink.cpp b/src/Thread/ThreadFocusSink.cpp
index 783e3dfc..7a357b5d 100644
--- a/src/Thread/ThreadFocusSink.cpp
+++ b/src/Thread/ThreadFocusSink.cpp
@@ -13,6 +13,8 @@
 
 STDAPI CMetasequoiaIME::OnSetThreadFocus()
 {
+    OutputDebugString(fmt::format(L"CMetasequoiaIME::OnSetThreadFocus").c_str());
+    PostMessage(_msgWndHandle, WM_ThreadFocus, 0, 0);
     if (_pCandidateListUIPresenter)
     {
         ITfDocumentMgr *pCandidateListDocumentMgr = nullptr;
@@ -39,6 +41,7 @@ STDAPI CMetasequoiaIME::OnSetThreadFocus()
 
 STDAPI CMetasequoiaIME::OnKillThreadFocus()
 {
+    OutputDebugString(fmt::format(L"CMetasequoiaIME::OnKillThreadFocus").c_str());
     if (_pCandidateListUIPresenter)
     {
         ITfDocumentMgr *pCandidateListDocumentMgr = nullptr;