diff --git a/RimeWithWeasel/RimeWithWeasel.cpp b/RimeWithWeasel/RimeWithWeasel.cpp
index 9fbdd8ef5..d57686c89 100644
--- a/RimeWithWeasel/RimeWithWeasel.cpp
+++ b/RimeWithWeasel/RimeWithWeasel.cpp
@@ -549,6 +549,15 @@ void RimeWithWeaselHandler::EndMaintenance() {
   m_session_status_map.clear();
 }
 
+bool RimeWithWeaselHandler::GetStatus(EatLine eat) {
+  if (m_active_session) {
+    _Respond(m_active_session, eat);
+    return true;
+  } else {
+    return false;
+  }
+}
+
 void RimeWithWeaselHandler::SetOption(WeaselSessionId ipc_id,
                                       const std::string& opt,
                                       bool val) {
diff --git a/WeaselIPC/WeaselClientImpl.cpp b/WeaselIPC/WeaselClientImpl.cpp
index 26122ad50..2612ec05f 100644
--- a/WeaselIPC/WeaselClientImpl.cpp
+++ b/WeaselIPC/WeaselClientImpl.cpp
@@ -174,6 +174,11 @@ bool ClientImpl::Echo() {
   return (serverEcho == session_id);
 }
 
+bool ClientImpl::GetStatus() {
+  LRESULT ret = _SendMessage(WEASEL_IPC_GET_STATUS, 0, session_id);
+  return ret != 0;
+}
+
 bool ClientImpl::GetResponseData(ResponseHandler const& handler) {
   if (!handler) {
     return false;
@@ -280,6 +285,10 @@ bool Client::Echo() {
   return m_pImpl->Echo();
 }
 
+bool Client::GetStatus() {
+  return m_pImpl->GetStatus();
+}
+
 bool Client::GetResponseData(ResponseHandler handler) {
   return m_pImpl->GetResponseData(handler);
 }
diff --git a/WeaselIPC/WeaselClientImpl.h b/WeaselIPC/WeaselClientImpl.h
index 760279286..b7217552b 100644
--- a/WeaselIPC/WeaselClientImpl.h
+++ b/WeaselIPC/WeaselClientImpl.h
@@ -27,6 +27,7 @@ class ClientImpl {
   void FocusIn();
   void FocusOut();
   void TrayCommand(UINT menuId);
+  bool GetStatus();
   bool GetResponseData(ResponseHandler const& handler);
 
  protected:
@@ -46,4 +47,4 @@ class ClientImpl {
   PipeChannel<PipeMessage> channel;
 };
 
-}  // namespace weasel
\ No newline at end of file
+}  // namespace weasel
diff --git a/WeaselIPCServer/WeaselServerImpl.cpp b/WeaselIPCServer/WeaselServerImpl.cpp
index 3b5075b42..ebb4636c0 100644
--- a/WeaselIPCServer/WeaselServerImpl.cpp
+++ b/WeaselIPCServer/WeaselServerImpl.cpp
@@ -355,6 +355,20 @@ DWORD ServerImpl::OnChangePage(WEASEL_IPC_COMMAND uMsg,
   return 0;
 }
 
+DWORD ServerImpl::OnGetStatus(WEASEL_IPC_COMMAND uMsg,
+                              DWORD wParam,
+                              DWORD lParam) {
+  if (m_pRequestHandler) {
+    auto eat = [this](std::wstring& msg) -> bool {
+      *channel << msg;
+      return true;
+    };
+    m_pRequestHandler->GetStatus(eat);
+    return 1;
+  }
+  return 0;
+}
+
 #define MAP_PIPE_MSG_HANDLE(__msg, __wParam, __lParam) \
   {                                                    \
     auto lParam = __lParam;                            \
@@ -394,6 +408,7 @@ void ServerImpl::HandlePipeMessage(PipeMessage pipe_msg, _Resp resp) {
                   OnHighlightCandidateOnCurrentPage);
   PIPE_MSG_HANDLE(WEASEL_IPC_CHANGE_PAGE, OnChangePage);
   PIPE_MSG_HANDLE(WEASEL_IPC_TRAY_COMMAND, OnCommand);
+  PIPE_MSG_HANDLE(WEASEL_IPC_GET_STATUS, OnGetStatus);
   END_MAP_PIPE_MSG_HANDLE(result);
 
   resp(result);
diff --git a/WeaselIPCServer/WeaselServerImpl.h b/WeaselIPCServer/WeaselServerImpl.h
index a4d123ddb..28ead381b 100644
--- a/WeaselIPCServer/WeaselServerImpl.h
+++ b/WeaselIPCServer/WeaselServerImpl.h
@@ -70,6 +70,7 @@ class ServerImpl : public CWindowImpl<ServerImpl, CWindow, ServerWinTraits>
                                           DWORD wParam,
                                           DWORD lParam);
   DWORD OnChangePage(WEASEL_IPC_COMMAND uMsg, DWORD wParam, DWORD lParam);
+  DWORD OnGetStatus(WEASEL_IPC_COMMAND uMsg, DWORD wParam, DWORD lParam);
 
  public:
   ServerImpl();
diff --git a/WeaselServer/WeaselServer.cpp b/WeaselServer/WeaselServer.cpp
index b4cf8b2f1..fbb830dd7 100644
--- a/WeaselServer/WeaselServer.cpp
+++ b/WeaselServer/WeaselServer.cpp
@@ -5,6 +5,7 @@
 #include "stdafx.h"
 #include "resource.h"
 #include "WeaselService.h"
+#include <ResponseParser.h>
 #include <WeaselIPC.h>
 #include <WeaselUI.h>
 #include <RimeWithWeasel.h>
@@ -15,6 +16,7 @@
 #include <WinUser.h>
 #include <memory>
 #include <atlstr.h>
+#include <iostream>
 #pragma comment(lib, "Shcore.lib")
 CAppModule _Module;
 
@@ -71,6 +73,30 @@ int WINAPI _tWinMain(HINSTANCE hInstance,
     WeaselServerApp::explore(WeaselServerApp::install_dir());
     return 0;
   }
+  if (!wcscmp(L"/isascii", lpstrCmdLine)) {
+    // https://speedyleion.github.io/c/c++/windows/2021/07/11/WinMain-and-stdout.html
+    if (!GetStdHandle(STD_OUTPUT_HANDLE)) {
+      if (AttachConsole(ATTACH_PARENT_PROCESS)) {
+        freopen("CONOUT$", "wb", stdout);
+      }
+    }
+
+    weasel::Client client;
+    if (client.Connect())  // try to connect to running server
+    {
+      if (client.GetStatus()) {
+        std::wstring commit;
+        weasel::Status status;
+        weasel::ResponseParser parser(&commit, NULL, &status);
+        bool ok = client.GetResponseData(std::ref(parser));
+        if (ok) {
+          int out = status.ascii_mode ? 1 : 0;
+          std::cout << out << std::endl;
+        }
+      }
+    }
+    return 0;
+  }
   if (!wcscmp(L"/ascii", lpstrCmdLine) || !wcscmp(L"/nascii", lpstrCmdLine)) {
     weasel::Client client;
     bool ascii = !wcscmp(L"/ascii", lpstrCmdLine);
diff --git a/include/RimeWithWeasel.h b/include/RimeWithWeasel.h
index 6fb0a4cab..c94bfeed8 100644
--- a/include/RimeWithWeasel.h
+++ b/include/RimeWithWeasel.h
@@ -57,6 +57,7 @@ class RimeWithWeaselHandler : public weasel::RequestHandler {
   virtual void UpdateInputPosition(RECT const& rc, WeaselSessionId ipc_id);
   virtual void StartMaintenance();
   virtual void EndMaintenance();
+  virtual bool GetStatus(EatLine eat);
   virtual void SetOption(WeaselSessionId ipc_id,
                          const std::string& opt,
                          bool val);
diff --git a/include/WeaselIPC.h b/include/WeaselIPC.h
index 79cc99fa5..2459c7164 100644
--- a/include/WeaselIPC.h
+++ b/include/WeaselIPC.h
@@ -31,6 +31,7 @@ enum WEASEL_IPC_COMMAND {
   WEASEL_IPC_SELECT_CANDIDATE_ON_CURRENT_PAGE,
   WEASEL_IPC_HIGHLIGHT_CANDIDATE_ON_CURRENT_PAGE,
   WEASEL_IPC_CHANGE_PAGE,
+  WEASEL_IPC_GET_STATUS,
   WEASEL_IPC_LAST_COMMAND
 };
 
@@ -91,6 +92,7 @@ struct RequestHandler {
   virtual void EndMaintenance() {}
   virtual void SetOption(DWORD session_id, const std::string& opt, bool val) {}
   virtual void UpdateColorTheme(BOOL darkMode) {}
+  virtual bool GetStatus(EatLine eat) { return false; }
 };
 
 // 處理server端回應之物件
@@ -150,6 +152,8 @@ class Client {
   void FocusOut();
   // 托盤菜單
   void TrayCommand(UINT menuId);
+  // 獲取當前輸入法狀態
+  bool GetStatus();
   // 读取server返回的数据
   bool GetResponseData(ResponseHandler handler);