diff --git a/LunaHost/LunaHostDll.cpp b/LunaHost/LunaHostDll.cpp
index 0dcf135..b565325 100644
--- a/LunaHost/LunaHostDll.cpp
+++ b/LunaHost/LunaHostDll.cpp
@@ -164,7 +164,19 @@ C_LUNA_API void Luna_embedcallback(DWORD pid, LPCWSTR text, LPCWSTR trans)
 
 C_LUNA_API void Luna_SyncThread(ThreadParam tp, bool sync)
 {
-    auto sm = Host::GetCommonSharedMem(tp.processId);
-    if (!sm)
-        return;
+    // 必须放到线程里去异步做，不然GetThread死锁
+    std::thread([=]()
+                {
+    try
+    {
+        auto &&t=Host::GetThread(tp);
+        if (sync)
+            TextThread::syncThreads->insert(&t);
+        else
+            TextThread::syncThreads->erase(&t);
+    }
+    catch (...)
+    {
+    } })
+        .detach();
 }
\ No newline at end of file
diff --git a/LunaHost/host.cpp b/LunaHost/host.cpp
index 1b918c9..66ffea3 100644
--- a/LunaHost/host.cpp
+++ b/LunaHost/host.cpp
@@ -61,6 +61,13 @@ namespace
 				threadsToRemove.push_back(&thread);
 		for (auto thread : threadsToRemove)
 		{
+			try
+			{
+				TextThread::syncThreads->erase(thread);
+			}
+			catch (...)
+			{
+			}
 			OnDestroy(*thread);
 			textThreadsByParams->erase(thread->tp);
 		}
diff --git a/LunaHost/textthread.cpp b/LunaHost/textthread.cpp
index 0c334a4..4862bd9 100644
--- a/LunaHost/textthread.cpp
+++ b/LunaHost/textthread.cpp
@@ -68,7 +68,7 @@ void TextThread::Push(BYTE *data, int length)
 	else
 		Host::AddConsoleOutput(INVALID_CODEPAGE);
 
-	lastPushTime = GetTickCount64();
+	UpdateFlushTime();
 
 	if (filterRepetition)
 	{
@@ -89,12 +89,26 @@ void TextThread::Push(BYTE *data, int length)
 		buffer.clear();
 	}
 }
-
+void TextThread::UpdateFlushTime(bool recursive)
+{
+	lastPushTime = GetTickCount64();
+	if (!recursive)
+		return;
+	auto&& ths = syncThreads.Acquire().contents;
+	if (ths.find(this) == ths.end())
+		return;
+	for (auto t : ths)
+	{
+		if (t == this)
+			continue;
+		t->UpdateFlushTime(false);
+	}
+}
 void TextThread::Push(const wchar_t *data)
 {
 	std::scoped_lock lock(bufferMutex);
 	// not sure if this should filter repetition
-	lastPushTime = GetTickCount64();
+	UpdateFlushTime();
 	buffer += data;
 }
 
diff --git a/LunaHost/textthread.h b/LunaHost/textthread.h
index 9cb829e..a7ba5d6 100644
--- a/LunaHost/textthread.h
+++ b/LunaHost/textthread.h
@@ -10,6 +10,7 @@ public:
 	inline static int flushDelay = 100;
 	inline static int maxBufferSize = 3000;
 	inline static int maxHistorySize = 10'000'000;
+	inline static Synchronized<std::set<TextThread *>> syncThreads;
 
 	TextThread(ThreadParam tp, HookParam hp, std::optional<std::wstring> name = {});
 
@@ -41,4 +42,5 @@ private:
 		void operator()(HANDLE h) { DeleteTimerQueueTimer(NULL, h, INVALID_HANDLE_VALUE); }
 	};
 	AutoHandle<TimerDeleter> timer = NULL;
+	void UpdateFlushTime(bool recursive = true);
 };