diff --git a/.gitignore b/.gitignore
index 8ceaf369..11200999 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,4 +32,5 @@ src/files/themes
 src/run37.bat
 src/run3732.bat
 src/plugins/builds
-src/plugins/libs/webview2
\ No newline at end of file
+src/plugins/libs/webview2
+src/plugins/.vscode/settings.json
diff --git a/src/LunaTranslator/gui/specialwidget.py b/src/LunaTranslator/gui/specialwidget.py
index 68df1981..805aa114 100644
--- a/src/LunaTranslator/gui/specialwidget.py
+++ b/src/LunaTranslator/gui/specialwidget.py
@@ -363,7 +363,6 @@ class lazyscrollflow(ScrollArea):
                     QApplication.processEvents()  # 会在最大化时死锁
 
             except:
-                print_exc()
                 break
 
     @trypass
@@ -534,7 +533,6 @@ class delayloadvbox(QWidget):
                 if procevent:
                     QApplication.processEvents()
             except:
-                print_exc()
                 break
 
         self.nowvisregion = region
@@ -729,6 +727,7 @@ class stackedlist(ScrollArea):
         self.scrolled.connect(lambda _: self.doshowlazywidget(True, _))
         self.saveregion = QRect()
 
+    @trypass
     def doshowlazywidget(self, procevent, region: QRect = None):
         if region:
             self.saveregion = QRect(region)
diff --git a/src/LunaTranslator/gui/translatorUI.py b/src/LunaTranslator/gui/translatorUI.py
index 649d2ca9..b77a103f 100644
--- a/src/LunaTranslator/gui/translatorUI.py
+++ b/src/LunaTranslator/gui/translatorUI.py
@@ -430,6 +430,7 @@ class TranslatorWindow(resizableframeless):
     @threader
     def autohidedelaythread(self):
         while True:
+            time.sleep(0.5)
             # 当鼠标悬停，或前景窗口为当前进程的其他窗口时，禁止自动隐藏
             if self.geometry().contains(QCursor.pos()) or (
                 windows.GetForegroundWindow() != self.winid
@@ -446,7 +447,6 @@ class TranslatorWindow(resizableframeless):
                     self.hidesignal.emit()
                     self.autohidestart = False
 
-            time.sleep(0.5)
 
     def showhideui(self):
         if self._move_drag:
diff --git a/src/LunaTranslator/myutils/config.py b/src/LunaTranslator/myutils/config.py
index cbd3d3b9..32ee96c3 100644
--- a/src/LunaTranslator/myutils/config.py
+++ b/src/LunaTranslator/myutils/config.py
@@ -345,6 +345,14 @@ class __uid2gamepath:
 
 uid2gamepath = __uid2gamepath()
 
+# 建立索引，当游戏特别多的时候，节省时间
+gamepath2uid_index = {}
+for uid in savehook_new_data:
+    _p = os.path.abspath(savehook_new_data[uid]["gamepath"])
+    if _p not in gamepath2uid_index:
+        gamepath2uid_index[_p] = []
+    gamepath2uid_index[_p].append(uid)
+
 
 def get_launchpath(uid):
     launch = savehook_new_data[uid].get("launchpath", "")
@@ -361,19 +369,18 @@ def findgameuidofpath(gamepath, findall=False):
         else:
             return None, None
     gamepath = os.path.normpath(gamepath)
+    uids = gamepath2uid_index.get(gamepath, [])
+    if findall:
+        return uids
     collect = []
     for sub in savegametaged:
         if sub is None:
             use = savehook_new_list
         else:
             use = sub["games"]
-        for uid in use:
-            if os.path.abspath(savehook_new_data[uid]["gamepath"]) == gamepath:
-                if findall:
-                    if uid not in collect:
-                        collect.append(uid)
-                else:
-                    return uid, use
+        for uid in uids:
+            if uid in use:
+                return uid, use
     if findall:
         return collect
     else:
diff --git a/src/LunaTranslator/myutils/utils.py b/src/LunaTranslator/myutils/utils.py
index c4237a88..6d04897b 100644
--- a/src/LunaTranslator/myutils/utils.py
+++ b/src/LunaTranslator/myutils/utils.py
@@ -17,6 +17,7 @@ from myutils.config import (
     savehook_new_data,
     findgameuidofpath,
     getdefaultsavehook,
+    gamepath2uid_index,
 )
 import threading, winreg
 import re, heapq, winsharedutils
@@ -271,9 +272,30 @@ def titlechangedtask(gameuid, title):
     trysearchforid(gameuid, [title])
 
 
+class gamepath2uid_index_helper(dict):
+    def __init__(self, d, uid):
+        super.__init__(d)
+        self.uid = uid
+
+    def __setitem__(self, key, value):
+
+        if key == "gamepath":
+            origin = os.path.abspath(self.get(key))
+            if origin in gamepath2uid_index and self.uid in gamepath2uid_index[origin]:
+                try:
+                    gamepath2uid_index[origin].remove(self.uid)
+                except:
+                    pass
+            absv = os.path.abspath(value)
+            if absv not in gamepath2uid_index:
+                gamepath2uid_index[absv] = []
+            gamepath2uid_index[absv].append(self.uid)
+        super.__setitem__(key, value)
+
+
 def initanewitem(title):
     uid = f"{time.time()}_{uuid.uuid4()}"
-    savehook_new_data[uid] = getdefaultsavehook(title)
+    savehook_new_data[uid] = gamepath2uid_index_helper(getdefaultsavehook(title), uid)
     return uid
 
 
diff --git a/src/plugins/.vscode/settings.json b/src/plugins/.vscode/settings.json
deleted file mode 100644
index b5be4e5e..00000000
--- a/src/plugins/.vscode/settings.json
+++ /dev/null
@@ -1,5 +0,0 @@
-{
-    "files.associations": {
-        "valarray": "cpp"
-    }
-}
\ No newline at end of file
diff --git a/src/plugins/CMakeLists.txt b/src/plugins/CMakeLists.txt
index 83952465..81ca1147 100644
--- a/src/plugins/CMakeLists.txt
+++ b/src/plugins/CMakeLists.txt
@@ -29,7 +29,7 @@ include(generate_product_version)
 
 set(VERSION_MAJOR 5)
 set(VERSION_MINOR 55)
-set(VERSION_PATCH 0)
+set(VERSION_PATCH 1)
 
 add_library(pch pch.cpp)
 target_precompile_headers(pch PUBLIC pch.h)
diff --git a/src/plugins/exec/PyStand.cpp b/src/plugins/exec/PyStand.cpp
index c9ffa19b..79f7d979 100644
--- a/src/plugins/exec/PyStand.cpp
+++ b/src/plugins/exec/PyStand.cpp
@@ -53,10 +53,7 @@ bool PyStand::CheckEnviron(const wchar_t *rtp)
 	}
 	LocalFree(argvw);
 
-	// init: _cwd (current working directory)
 	wchar_t path[MAX_PATH + 10];
-	GetCurrentDirectoryW(MAX_PATH + 1, path);
-	_cwd = path;
 
 	// init: _pystand (full path of PyStand.exe)
 	GetModuleFileNameW(NULL, path, MAX_PATH + 1);
@@ -64,57 +61,24 @@ bool PyStand::CheckEnviron(const wchar_t *rtp)
 	wsprintf(path, L"e:\\github\\tools\\pystand\\pystand.exe");
 #endif
 	_pystand = path;
+	_home = std::filesystem::path(path).parent_path().wstring();
 
-	// init: _home
-	int size = (int)wcslen(path);
-	for (; size > 0; size--)
-	{
-		if (path[size - 1] == L'/')
-			break;
-		if (path[size - 1] == L'\\')
-			break;
-	}
-	path[size] = 0;
-	SetCurrentDirectoryW(path);
-	GetCurrentDirectoryW(MAX_PATH + 1, path);
-	_home = path;
-	SetCurrentDirectoryW(_cwd.c_str());
+	SetCurrentDirectoryW(_home.c_str());
 
-	// init: _runtime (embedded python directory)
-	bool abspath = false;
-	if (wcslen(rtp) >= 3)
-	{
-		if (rtp[1] == L':')
-		{
-			if (rtp[2] == L'/' || rtp[2] == L'\\')
-				abspath = true;
-		}
-	}
-	if (abspath == false)
-	{
-		_runtime = _home + L"\\" + rtp;
-	}
-	else
-	{
-		_runtime = rtp;
-	}
-	GetFullPathNameW(_runtime.c_str(), MAX_PATH + 1, path, NULL);
-	_runtime = path;
+	_runtime = (std::filesystem::path(_home) / rtp).wstring();
 
 	// check home
-	std::wstring check = _runtime;
-	if (!PathFileExistsW(check.c_str()))
+	if (!PathFileExistsW(_runtime.c_str()))
 	{
-		std::wstring msg = L"Missing embedded Python3 in:\n" + check;
+		std::wstring msg = L"Missing embedded Python3 in:\n" + _runtime;
 		MessageBoxW(NULL, msg.c_str(), L"ERROR", MB_OK);
 		return false;
 	}
 
 	// check python3.dll
-	std::wstring check2 = _runtime + L"\\python3.dll";
-	if (!PathFileExistsW(check2.c_str()))
+	if (!PathFileExistsW((_runtime + L"\\python3.dll").c_str()))
 	{
-		std::wstring msg = L"Missing python3.dll in:\r\n" + check;
+		std::wstring msg = L"Missing python3.dll in:\r\n" + _runtime;
 		MessageBoxW(NULL, msg.c_str(), L"ERROR", MB_OK);
 		return false;
 	}
diff --git a/src/plugins/exec/PyStand.h b/src/plugins/exec/PyStand.h
index 738a1c52..2108d079 100644
--- a/src/plugins/exec/PyStand.h
+++ b/src/plugins/exec/PyStand.h
@@ -33,7 +33,6 @@ protected:
 
 protected:
 	HINSTANCE _hDLL;
-	std::wstring _cwd;		// current working directory
 	std::wstring _args;		// arguments
 	std::wstring _pystand;	// absolute path of pystand
 	std::wstring _runtime;	// absolute path of embedded python runtime