diff --git a/src/BaseException.cpp b/src/BaseException.cpp
index 05d93dbdb..98406e44b 100644
--- a/src/BaseException.cpp
+++ b/src/BaseException.cpp
@@ -108,127 +108,127 @@ void CBaseException::ShowExceptionResoult(DWORD dwExceptionCode)
 	{
 	case EXCEPTION_ACCESS_VIOLATION:
 		{
-			//OutputString(_T("ACCESS_VIOLATION(%s)\r\n"), _T("读写非法内存"));
+			//OutputString(_T("ACCESS_VIOLATION(%s)\r\n"), _T("璇诲啓闈炴硶鍐呭瓨"));
 			OutputString(_T("ACCESS_VIOLATION\r\n"));
 		}
 		return ;
 	case EXCEPTION_DATATYPE_MISALIGNMENT:
 		{
-			//OutputString(_T("DATATYPE_MISALIGNMENT(%s)\r\n"), _T("线程视图在不支持对齐的硬件上读写未对齐的数据"));
+			//OutputString(_T("DATATYPE_MISALIGNMENT(%s)\r\n"), _T("绾跨▼瑙嗗浘鍦ㄤ笉鏀寔瀵归綈鐨勭‖浠朵笂璇诲啓鏈榻愮殑鏁版嵁"));
 			OutputString(_T("DATATYPE_MISALIGNMENT\r\n"));
 		}
 		return ;
 	case EXCEPTION_BREAKPOINT:
 		{
-			//OutputString(_T("BREAKPOINT(%s)\r\n"), _T("遇到一个断点"));
+			//OutputString(_T("BREAKPOINT(%s)\r\n"), _T("閬囧埌涓�涓柇鐐�"));
 			OutputString(_T("BREAKPOINT\r\n"));
 		}
 		return ;
 	case EXCEPTION_SINGLE_STEP:
 		{
-			//OutputString(_T("SINGLE_STEP(%s)\r\n"), _T("单步")); //一般是发生在调试事件中
+			//OutputString(_T("SINGLE_STEP(%s)\r\n"), _T("鍗曟")); //涓�鑸槸鍙戠敓鍦ㄨ皟璇曚簨浠朵腑
 			OutputString(_T("SINGLE_STEP\r\n"));
 		}
 		return ;
 	case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
 		{
-			//OutputString(_T("ARRAY_BOUNDS_EXCEEDED(%s)\r\n"), _T("数组访问越界"));
+			//OutputString(_T("ARRAY_BOUNDS_EXCEEDED(%s)\r\n"), _T("鏁扮粍璁块棶瓒婄晫"));
 			OutputString(_T("ARRAY_BOUNDS_EXCEEDED\r\n"));
 		}
 		return ;
 	case EXCEPTION_FLT_DENORMAL_OPERAND:
 		{
-			//OutputString(_T("FLT_DENORMAL_OPERAND(%s)\r\n"), _T("浮点操作的一个操作数不正规，给定的浮点数无法表示")); //操作数的问题
+			//OutputString(_T("FLT_DENORMAL_OPERAND(%s)\r\n"), _T("娴偣鎿嶄綔鐨勪竴涓搷浣滄暟涓嶆瑙勶紝缁欏畾鐨勬诞鐐规暟鏃犳硶琛ㄧず")); //鎿嶄綔鏁扮殑闂
 			OutputString(_T("FLT_DENORMAL_OPERAND\r\n"));
 		}
 		return ;
 	case EXCEPTION_FLT_DIVIDE_BY_ZERO:
 		{
-			//OutputString(_T("FLT_DIVIDE_BY_ZERO(%s)\r\n"), _T("浮点数除0操作"));
+			//OutputString(_T("FLT_DIVIDE_BY_ZERO(%s)\r\n"), _T("娴偣鏁伴櫎0鎿嶄綔"));
 			OutputString(_T("FLT_DIVIDE_BY_ZERO\r\n"));
 		}
 		return ;
 	case EXCEPTION_FLT_INEXACT_RESULT:
 		{
-			//OutputString(_T("FLT_INEXACT_RESULT(%s)\r\n"), _T("浮点数操作的结果无法表示")); //无法表示一般是数据太小，超过浮点数表示的范围, 计算之后产生的结果异常
+			//OutputString(_T("FLT_INEXACT_RESULT(%s)\r\n"), _T("娴偣鏁版搷浣滅殑缁撴灉鏃犳硶琛ㄧず")); //鏃犳硶琛ㄧず涓�鑸槸鏁版嵁澶皬锛岃秴杩囨诞鐐规暟琛ㄧず鐨勮寖鍥�, 璁＄畻涔嬪悗浜х敓鐨勭粨鏋滃紓甯�
 			OutputString(_T("FLT_INEXACT_RESULT\r\n"));
 		}
 		return ;
 	case EXCEPTION_FLT_INVALID_OPERATION:
 		{
-			//OutputString(_T("FLT_INVALID_OPERATION(%s)\r\n"), _T("其他浮点数异常"));
+			//OutputString(_T("FLT_INVALID_OPERATION(%s)\r\n"), _T("鍏朵粬娴偣鏁板紓甯�"));
 			OutputString(_T("FLT_INVALID_OPERATION\r\n"));
 		}
 		return ;
 	case EXCEPTION_FLT_OVERFLOW:
 		{
-			//OutputString(_T("FLT_OVERFLOW(%s)\r\n"), _T("浮点操作的指数超过了相应类型的最大值"));
+			//OutputString(_T("FLT_OVERFLOW(%s)\r\n"), _T("娴偣鎿嶄綔鐨勬寚鏁拌秴杩囦簡鐩稿簲绫诲瀷鐨勬渶澶у��"));
 			OutputString(_T("FLT_OVERFLOW\r\n"));
 		}
 		return ;
 	case EXCEPTION_FLT_STACK_CHECK:
 		{
-			//OutputString(_T("STACK_CHECK(%s)\r\n"), _T("栈越界或者栈向下溢出"));
+			//OutputString(_T("STACK_CHECK(%s)\r\n"), _T("鏍堣秺鐣屾垨鑰呮爤鍚戜笅婧㈠嚭"));
 			OutputString(_T("STACK_CHECK\r\n"));
 		}
 		return ;
 	case EXCEPTION_INT_DIVIDE_BY_ZERO:
 		{
-			//OutputString(_T("INT_DIVIDE_BY_ZERO(%s)\r\n"), _T("整数除0异常"));
+			//OutputString(_T("INT_DIVIDE_BY_ZERO(%s)\r\n"), _T("鏁存暟闄�0寮傚父"));
 			OutputString(_T("INT_DIVIDE_BY_ZERO\r\n"));
 		}
 		return ;
 	case EXCEPTION_INVALID_HANDLE:
 		{
-			//OutputString(_T("INVALID_HANDLE(%s)\r\n"), _T("句柄无效"));
+			//OutputString(_T("INVALID_HANDLE(%s)\r\n"), _T("鍙ユ焺鏃犳晥"));
 			OutputString(_T("INVALID_HANDLE\r\n"));
 		}
 		return ;
 	case EXCEPTION_PRIV_INSTRUCTION:
 		{
-			//OutputString(_T("PRIV_INSTRUCTION(%s)\r\n"), _T("线程试图执行当前机器模式不支持的指令"));
+			//OutputString(_T("PRIV_INSTRUCTION(%s)\r\n"), _T("绾跨▼璇曞浘鎵ц褰撳墠鏈哄櫒妯″紡涓嶆敮鎸佺殑鎸囦护"));
 			OutputString(_T("PRIV_INSTRUCTION\r\n"));
 		}
 		return ;
 	case EXCEPTION_IN_PAGE_ERROR:
 		{
-			//OutputString(_T("IN_PAGE_ERROR(%s)\r\n"), _T("线程视图访问未加载的虚拟内存页或者不能加载的虚拟内存页"));
+			//OutputString(_T("IN_PAGE_ERROR(%s)\r\n"), _T("绾跨▼瑙嗗浘璁块棶鏈姞杞界殑铏氭嫙鍐呭瓨椤垫垨鑰呬笉鑳藉姞杞界殑铏氭嫙鍐呭瓨椤�"));
 			OutputString(_T("IN_PAGE_ERROR\r\n"));
 		}
 		return ;
 	case EXCEPTION_ILLEGAL_INSTRUCTION:
 		{
-			//OutputString(_T("ILLEGAL_INSTRUCTION(%s)\r\n"), _T("线程视图执行无效指令"));
+			//OutputString(_T("ILLEGAL_INSTRUCTION(%s)\r\n"), _T("绾跨▼瑙嗗浘鎵ц鏃犳晥鎸囦护"));
 			OutputString(_T("ILLEGAL_INSTRUCTION\r\n"));
 		}
 		return ;
 	case EXCEPTION_NONCONTINUABLE_EXCEPTION:
 		{
-			//OutputString(_T("NONCONTINUABLE_EXCEPTION(%s)\r\n"), _T("线程试图在一个不可继续执行的异常发生后继续执行"));
+			//OutputString(_T("NONCONTINUABLE_EXCEPTION(%s)\r\n"), _T("绾跨▼璇曞浘鍦ㄤ竴涓笉鍙户缁墽琛岀殑寮傚父鍙戠敓鍚庣户缁墽琛�"));
 			OutputString(_T("NONCONTINUABLE_EXCEPTION\r\n"));
 		}
 		return ;
 	case EXCEPTION_STACK_OVERFLOW:
 		{
-			//OutputString(_T("STACK_OVERFLOW(%s)\r\n"), _T("栈溢出"));
+			//OutputString(_T("STACK_OVERFLOW(%s)\r\n"), _T("鏍堟孩鍑�"));
 			OutputString(_T("STACK_OVERFLOW\r\n"));
 		}
 		return ;
 	case EXCEPTION_INVALID_DISPOSITION:
 		{
-			//OutputString(_T("INVALID_DISPOSITION(%s)\r\n"), _T("异常处理程序给异常调度器返回了一个无效配置")); //使用高级语言编写的程序永远不会遇到这个异常
+			//OutputString(_T("INVALID_DISPOSITION(%s)\r\n"), _T("寮傚父澶勭悊绋嬪簭缁欏紓甯歌皟搴﹀櫒杩斿洖浜嗕竴涓棤鏁堥厤缃�")); //浣跨敤楂樼骇璇█缂栧啓鐨勭▼搴忔案杩滀笉浼氶亣鍒拌繖涓紓甯�
 			OutputString(_T("INVALID_DISPOSITION\r\n"));
 		}
 		return ;
 	case EXCEPTION_FLT_UNDERFLOW:
 		{
-			//OutputString(_T("FLT_UNDERFLOW(%s)\r\n"), _T("浮点数操作的指数小于相应类型的最小值"));
+			//OutputString(_T("FLT_UNDERFLOW(%s)\r\n"), _T("娴偣鏁版搷浣滅殑鎸囨暟灏忎簬鐩稿簲绫诲瀷鐨勬渶灏忓��"));
 			OutputString(_T("FLT_UNDERFLOW\r\n"));
 		}
 		return ;
 	case EXCEPTION_INT_OVERFLOW:
 		{
-			//OutputString(_T("INT_OVERFLOW(%s)\r\n"), _T("整数操作越界"));
+			//OutputString(_T("INT_OVERFLOW(%s)\r\n"), _T("鏁存暟鎿嶄綔瓒婄晫"));
 			OutputString(_T("INT_OVERFLOW\r\n"));
 		}
 		return ;
@@ -296,7 +296,7 @@ BOOL CBaseException::GetLogicalAddress(
 
 	DWORD rva = (DWORD)addr - hMod;
 
-	//计算当前地址在第几个节
+	//璁＄畻褰撳墠鍦板潃鍦ㄧ鍑犱釜鑺�
 	for (unsigned i = 0; i < pNtHdr->FileHeader.NumberOfSections; i++, pSection++ )
 	{
 		DWORD sectionStart = pSection->VirtualAddress;
diff --git a/src/StackWalker.cpp b/src/StackWalker.cpp
index 5d0b69c53..f625d23e7 100644
--- a/src/StackWalker.cpp
+++ b/src/StackWalker.cpp
@@ -38,7 +38,7 @@ CStackWalker::~CStackWalker(void)
 BOOL CStackWalker::LoadSymbol()
 {
 	//USES_CONVERSION;
-	//只加载一次
+	//鍙姞杞戒竴娆�
 	if(m_bSymbolLoaded)
 	{
 		return m_bSymbolLoaded;
@@ -51,11 +51,11 @@ BOOL CStackWalker::LoadSymbol()
 		return m_bSymbolLoaded;
 	}
 	
-	//添加当前程序路径
+	//娣诲姞褰撳墠绋嬪簭璺緞
 	TCHAR szSymbolPath[MAX_SYMBOL_PATH] = _T("");
 	StringCchCopy(szSymbolPath, MAX_SYMBOL_PATH, _T(".;"));
 
-	//添加程序所在目录
+	//娣诲姞绋嬪簭鎵�鍦ㄧ洰褰�
 	TCHAR szTemp[MAX_PATH] = _T("");
 	if (GetCurrentDirectory(MAX_PATH, szTemp) > 0)
 	{
@@ -63,7 +63,7 @@ BOOL CStackWalker::LoadSymbol()
 		StringCchCat(szSymbolPath, MAX_SYMBOL_PATH, _T(";"));
 	}
 
-	//添加程序主模块所在路径
+	//娣诲姞绋嬪簭涓绘ā鍧楁墍鍦ㄨ矾寰�
 	ZeroMemory(szTemp, MAX_PATH * sizeof(TCHAR));
 	if (GetModuleFileName(NULL, szTemp, MAX_PATH) > 0)
 	{
@@ -131,7 +131,7 @@ BOOL CStackWalker::LoadSymbol()
 
 	if (NULL != m_lpszSymbolPath)
 	{
-		m_bSymbolLoaded = SymInitialize(m_hProcess, textconv_helper::T2A_(m_lpszSymbolPath), TRUE); //这里设置为TRUE，让它在初始化符号表的同时加载符号表
+		m_bSymbolLoaded = SymInitialize(m_hProcess, textconv_helper::T2A_(m_lpszSymbolPath), TRUE); //杩欓噷璁剧疆涓篢RUE锛岃瀹冨湪鍒濆鍖栫鍙疯〃鐨勫悓鏃跺姞杞界鍙疯〃
 	}
 
 	DWORD symOptions = SymGetOptions();
@@ -167,7 +167,7 @@ void CStackWalker::FreeModuleInformations(LPMODULE_INFO pmi)
 
 LPMODULE_INFO CStackWalker::GetModulesTH32()
 {
-	//这里为了防止加载Toolhelp.dll 影响最终结果，所以采用动态加载的方式
+	//杩欓噷涓轰簡闃叉鍔犺浇Toolhelp.dll 褰卞搷鏈�缁堢粨鏋滐紝鎵�浠ラ噰鐢ㄥ姩鎬佸姞杞界殑鏂瑰紡
 	LPMODULE_INFO pHead = NULL;
 	LPMODULE_INFO pTail = pHead;
 
@@ -391,13 +391,13 @@ void CStackWalker::GetModuleInformation(LPMODULE_INFO pmi)
 LPSTACKINFO CStackWalker::StackWalker(HANDLE hThread, const CONTEXT* context)
 {
 	//USES_CONVERSION;
-	//加载符号表
+	//鍔犺浇绗﹀彿琛�
 	LoadSymbol();
 
 	LPSTACKINFO pHead = NULL;
 	LPSTACKINFO pTail = pHead;
 
-	//获取当前线程的上下文环境
+	//鑾峰彇褰撳墠绾跨▼鐨勪笂涓嬫枃鐜
 	CONTEXT c = {0};
 	if (context == NULL)
 	{
@@ -411,7 +411,7 @@ LPSTACKINFO CStackWalker::StackWalker(HANDLE hThread, const CONTEXT* context)
 		}
 		else
 		{
-			//如果不是当前线程，需要停止目标线程，以便取出正确的堆栈信息
+			//濡傛灉涓嶆槸褰撳墠绾跨▼锛岄渶瑕佸仠姝㈢洰鏍囩嚎绋嬶紝浠ヤ究鍙栧嚭姝ｇ‘鐨勫爢鏍堜俊鎭�
 			SuspendThread(hThread);
 			memset(&c, 0, sizeof(CONTEXT));
 			c.ContextFlags = CONTEXT_FULL;
@@ -446,7 +446,7 @@ LPSTACKINFO CStackWalker::StackWalker(HANDLE hThread, const CONTEXT* context)
 	sf.AddrFrame.Mode = AddrModeFlat;
 	sf.AddrStack.Offset = c.Rsp;
 	sf.AddrStack.Mode = AddrModeFlat;
-	////intel Itanium(安腾)
+	////intel Itanium(瀹夎吘)
 #elif _M_IA64
 	imageType = IMAGE_FILE_MACHINE_IA64;
 	sf.AddrPC.Offset = c.StIIP;
@@ -490,7 +490,7 @@ LPSTACKINFO CStackWalker::StackWalker(HANDLE hThread, const CONTEXT* context)
 				StringCchCopy(pCallStack->undName, STACKWALK_MAX_NAMELEN, textconv_helper::A2T_(szName));
 			}else
 			{
-				//调用错误一般是487(地址无效或者没有访问的权限、在符号表中未找到指定地址的相关信息)
+				//璋冪敤閿欒涓�鑸槸487(鍦板潃鏃犳晥鎴栬�呮病鏈夎闂殑鏉冮檺銆佸湪绗﹀彿琛ㄤ腑鏈壘鍒版寚瀹氬湴鍧�鐨勭浉鍏充俊鎭�)
 				this->OutputString(_T("Call SymGetSymFromAddr64 ,Address %08x Error:%08x\r\n"), sf.AddrPC.Offset, GetLastError());
 				continue;
 			}
@@ -505,7 +505,7 @@ LPSTACKINFO CStackWalker::StackWalker(HANDLE hThread, const CONTEXT* context)
 				continue;
 			}
 			
-			//这里为了将获取函数信息失败的情况与正常的情况一起输出，防止用户在查看时出现误解
+			//杩欓噷涓轰簡灏嗚幏鍙栧嚱鏁颁俊鎭け璐ョ殑鎯呭喌涓庢甯哥殑鎯呭喌涓�璧疯緭鍑猴紝闃叉鐢ㄦ埛鍦ㄦ煡鐪嬫椂鍑虹幇璇В
 			this->OutputString(_T("%08llx:%s [%s][%ld]\r\n"), pCallStack->szFncAddr, pCallStack->undFullName, pCallStack->szFileName, pCallStack->uFileNum);
 			if (NULL == pHead)
 			{
diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index f920908e2..0d3f19dd7 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -562,7 +562,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Other layers");
     def->tooltip = L("Bed temperature for layers except the initial one. "
         "Value 0 means the filament does not support to print on the Cool Plate");
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->full_label = L("Bed temperature");
     def->min = 0;
     def->max = 120;
@@ -572,7 +572,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Other layers");
     def->tooltip = L("Bed temperature for layers except the initial one. "
         "Value 0 means the filament does not support to print on the Engineering Plate");
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->full_label = L("Bed temperature");
     def->min = 0;
     def->max = 120;
@@ -582,7 +582,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Other layers");
     def->tooltip = L("Bed temperature for layers except the initial one. "
         "Value 0 means the filament does not support to print on the High Temp Plate");
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->full_label = L("Bed temperature");
     def->min = 0;
     def->max = 120;
@@ -592,7 +592,7 @@ void PrintConfigDef::init_fff_params()
     def->label      = L("Other layers");
     def->tooltip    = L("Bed temperature for layers except the initial one. "
                      "Value 0 means the filament does not support to print on the Textured PEI Plate");
-    def->sidetext   = L("掳C");
+    def->sidetext   = "掳C";
     def->full_label = L("Bed temperature");
     def->min        = 0;
     def->max        = 120;
@@ -603,7 +603,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip = L("Bed temperature of the initial layer. "
         "Value 0 means the filament does not support to print on the Cool Plate");
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->min = 0;
     def->max = 120;
     def->set_default_value(new ConfigOptionInts{ 35 });
@@ -613,7 +613,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip = L("Bed temperature of the initial layer. "
         "Value 0 means the filament does not support to print on the Engineering Plate");
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->min = 0;
     def->max = 120;
     def->set_default_value(new ConfigOptionInts{ 45 });
@@ -623,7 +623,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip = L("Bed temperature of the initial layer. "
         "Value 0 means the filament does not support to print on the High Temp Plate");
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->min = 0;
     def->max = 120;
     def->set_default_value(new ConfigOptionInts{ 45 });
@@ -633,7 +633,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Initial layer bed temperature");
     def->tooltip    = L("Bed temperature of the initial layer. "
                      "Value 0 means the filament does not support to print on the Textured PEI Plate");
-    def->sidetext   = L("掳C");
+    def->sidetext   = "掳C";
     def->min        = 0;
     def->max        = 120;
     def->set_default_value(new ConfigOptionInts{45});
@@ -711,7 +711,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Fan speed for overhang");
     def->tooltip = L("Force part cooling fan to be this speed when printing bridge or overhang wall which has large overhang degree. "
                      "Forcing cooling for overhang and bridge can get better quality for these part");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min = 0;
     def->max = 100;
     def->mode = comAdvanced;
@@ -793,7 +793,7 @@ void PrintConfigDef::init_fff_params()
     def          = this->add("top_area_threshold", coPercent);
     def->label   = L("Top area threshold");
     def->tooltip = L("This factor affects the acreage of top area. The small the number the big the top area.");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min     = 0;
     def->max     = 500;
     def->mode    = comDevelop;
@@ -986,7 +986,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("default_acceleration", coFloat);
     def->label = L("Normal printing");
     def->tooltip = L("The default acceleration of both normal printing and travel except initial layer");
-    def->sidetext = L("mm/s虏");
+    def->sidetext = "mm/s虏";
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(500.0));
@@ -1012,7 +1012,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("during_print_exhaust_fan_speed", coInts);
     def->label   = L("Fan speed");
     def->tooltip=L("Speed of exhuast fan during printing.This speed will overwrite the speed in filament custom gcode");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min=0;
     def->max=100;
     def->mode = comSimple;
@@ -1020,7 +1020,7 @@ void PrintConfigDef::init_fff_params()
 
     def = this->add("complete_print_exhaust_fan_speed", coInts);
     def->label = L("Fan speed");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->tooltip=L("Speed of exhuast fan after printing completes");
     def->min=0;
     def->max=100;
@@ -1491,7 +1491,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Sparse infill density");
     def->category = L("Strength");
     def->tooltip = L("Density of internal sparse infill, 100% means solid throughout");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min = 0;
     def->max = 100;
     def->set_default_value(new ConfigOptionPercent(20));
@@ -1540,7 +1540,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("top_surface_acceleration", coFloat);
     def->label = L("Top surface");
     def->tooltip = L("Acceleration of top surface infill. Using a lower value may improve top surface quality");
-    def->sidetext = L("mm/s虏");
+    def->sidetext = "mm/s虏";
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(500));
@@ -1548,7 +1548,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("outer_wall_acceleration", coFloat);
     def->label = L("Outer wall");
     def->tooltip = L("Acceleration of outer wall. Using a lower value can improve quality");
-    def->sidetext = L("mm/s虏");
+    def->sidetext = "mm/s虏";
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(500));
@@ -1556,7 +1556,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("inner_wall_acceleration", coFloat);
     def->label = L("Inner wall");
     def->tooltip = L("Acceleration of inner walls. 0 means using normal printing acceleration");
-    def->sidetext = L("mm/s虏");
+    def->sidetext = "mm/s虏";
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(0));
@@ -1573,7 +1573,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("initial_layer_acceleration", coFloat);
     def->label = L("Initial layer");
     def->tooltip = L("Acceleration of initial layer. Using a lower value can improve build plate adhensive");
-    def->sidetext = L("mm/s虏");
+    def->sidetext = "mm/s虏";
     def->min = 0;
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionFloat(300));
@@ -1587,7 +1587,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("accel_to_decel_factor", coPercent);
     def->label = L("accel_to_decel");
     def->tooltip = L("Klipper's max_accel_to_decel will be adjusted to this percent of acceleration");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min = 1;
     def->max = 100;
     def->mode = comAdvanced;
@@ -1694,7 +1694,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Initial layer");
     def->full_label = L("Initial layer nozzle temperature");
     def->tooltip = L("Nozzle temperature to print initial layer when using this filament");
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->min = 0;
     def->max = max_temp;
     def->set_default_value(new ConfigOptionInts { 200 });
@@ -1824,10 +1824,10 @@ void PrintConfigDef::init_fff_params()
     def->enum_values.push_back("hbot");
     def->enum_values.push_back("delta");
     def->enum_labels.push_back(L("Undefine"));
-    def->enum_labels.push_back(L("CoreXY"));
-    def->enum_labels.push_back(L("I3"));
-    def->enum_labels.push_back(L("Hbot"));
-    def->enum_labels.push_back(L("Delta"));
+    def->enum_labels.push_back("CoreXY");
+    def->enum_labels.push_back("I3");
+    def->enum_labels.push_back("Hbot");
+    def->enum_labels.push_back("Delta");
     def->mode = comDevelop;
     def->set_default_value(new ConfigOptionEnum<PrinterStructure>(psUndefine));
 
@@ -1983,7 +1983,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Infill/Wall overlap");
     def->category = L("Strength");
     def->tooltip = L("Infill area is enlarged slightly to overlap with wall for better bonding. The percentage value is relative to line width of sparse infill");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->ratio_over = "inner_wall_line_width";
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionPercent(15));
@@ -2077,7 +2077,7 @@ void PrintConfigDef::init_fff_params()
     def->category = L("Quality");
     def->tooltip = L("The amount of material to extrude during ironing. Relative to flow of normal layer height. "
                      "Too high value results in overextrusion on the surface");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->ratio_over = "layer_height";
     def->min = 0;
     def->max = 100;
@@ -2202,7 +2202,7 @@ void PrintConfigDef::init_fff_params()
             (void)L("Maximum acceleration of the Y axis");
             (void)L("Maximum acceleration of the Z axis");
             (void)L("Maximum acceleration of the E axis");
-            def->sidetext = L("mm/s虏");
+            def->sidetext = "mm/s虏";
             def->min = 0;
             def->mode = comSimple;
             def->set_default_value(new ConfigOptionFloats(axis.max_acceleration));
@@ -2254,7 +2254,7 @@ void PrintConfigDef::init_fff_params()
     def->tooltip = L("Maximum acceleration for extruding (M204 P)");
     //                 "Marlin (legacy) firmware flavor will use this also "
     //                 "as travel acceleration (M204 T).");
-    def->sidetext = L("mm/s虏");
+    def->sidetext = "mm/s虏";
     def->min = 0;
     def->readonly = false;
     def->mode = comSimple;
@@ -2266,7 +2266,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Maximum acceleration for retracting");
     def->category = L("Machine limits");
     def->tooltip = L("Maximum acceleration for retracting (M204 R)");
-    def->sidetext = L("mm/s虏");
+    def->sidetext = "mm/s虏";
     def->min = 0;
     def->readonly = false;
     def->mode = comSimple;
@@ -2277,7 +2277,7 @@ void PrintConfigDef::init_fff_params()
     def->full_label = L("Maximum acceleration for travel");
     def->category = L("Machine limits");
     def->tooltip = L("Maximum acceleration for travel (M204 T)");
-    def->sidetext = L("mm/s虏");
+    def->sidetext = "mm/s虏";
     def->min = 0;
     def->readonly = true;
     def->mode = comDevelop;
@@ -2287,7 +2287,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Fan speed");
     def->tooltip = L("Part cooling fan speed may be increased when auto cooling is enabled. "
                      "This is the maximum speed limitation of part cooling fan");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min = 0;
     def->max = 100;
     def->mode = comSimple;
@@ -2329,7 +2329,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("fan_min_speed", coInts);
     def->label = L("Fan speed");
     def->tooltip = L("Minimum speed for part cooling fan");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min = 0;
     def->max = 100;
     def->mode = comSimple;
@@ -2339,7 +2339,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Fan speed");
     def->tooltip = L("Speed of auxiliary part cooling fan. Auxiliary fan will run at this speed during printing except the first several layers "
                      "which is defined by no cooling layers");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min = 0;
     def->max = 100;
     def->mode = comSimple;
@@ -2538,7 +2538,7 @@ void PrintConfigDef::init_fff_params()
     def->label = L("Initial layer density");
     def->category = L("Support");
     def->tooltip = L("Density of the first raft or support layer");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min = 10;
     def->max = 100;
     def->mode = comAdvanced;
@@ -2584,7 +2584,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("retract_before_wipe", coPercents);
     def->label = L("Retract amount before wipe");
     def->tooltip = L("The length of fast retraction before wipe, relative to retraction length");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionPercents { 100 });
 
@@ -2721,7 +2721,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("seam_gap", coPercent);
     def->label = L("Seam gap");
     def->tooltip = L("In order to reduce the visibility of the seam in a closed loop extrusion, the loop is interrupted and shortened by a specified amount.\n" "This amount as a percentage of the current extruder diameter. The default value for this parameter is 15");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min = 0;
     def->mode = comDevelop;
     def->set_default_value(new ConfigOptionPercent(15));
@@ -2729,7 +2729,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("wipe_speed", coPercent);
     def->label = L("Wipe speed");
     def->tooltip = L("The wipe speed is determined by the speed setting specified in this configuration." "If the value is expressed as a percentage (e.g. 80%), it will be calculated based on the travel speed setting above." "The default value for this parameter is 80%");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->min = 0.01;
     def->mode = comDevelop;
     def->set_default_value(new ConfigOptionPercent(80));
@@ -3297,7 +3297,7 @@ void PrintConfigDef::init_fff_params()
                     "At the same time, the air filtration of ABS and ASA will get worse.While for PLA, PETG, TPU, PVA and other low temperature materials,"
                     "the actual chamber temperature should not be high to avoid cloggings, so 0 which stands for turning off is highly recommended"
                     );
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->full_label = L("Chamber temperature");
     def->min = 0;
     def->max = 60;
@@ -3306,7 +3306,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("nozzle_temperature", coInts);
     def->label = L("Other layers");
     def->tooltip = L("Nozzle temperature for layers after the initial one");
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->full_label = L("Nozzle temperature");
     def->min = 0;
     def->max = max_temp;
@@ -3315,7 +3315,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("nozzle_temperature_range_low", coInts);
     def->label = L("Min");
     //def->tooltip = "";
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->min = 0;
     def->max = max_temp;
     def->set_default_value(new ConfigOptionInts { 190 });
@@ -3323,7 +3323,7 @@ void PrintConfigDef::init_fff_params()
     def = this->add("nozzle_temperature_range_high", coInts);
     def->label = L("Max");
     //def->tooltip = "";
-    def->sidetext = L("掳C");
+    def->sidetext = "掳C";
     def->min = 0;
     def->max = max_temp;
     def->set_default_value(new ConfigOptionInts { 240 });
@@ -3589,7 +3589,7 @@ void PrintConfigDef::init_fff_params()
     def->tooltip = L("When transitioning between different numbers of walls as the part becomes "
         "thinner, a certain amount of space is allotted to split or join the wall segments. "
         "It's expressed as a percentage over nozzle diameter");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->mode = comAdvanced;
     def->min = 0;
     def->set_default_value(new ConfigOptionPercent(100));
@@ -3604,7 +3604,7 @@ void PrintConfigDef::init_fff_params()
         "starts/stops and travel time. However, large extrusion width variation can lead to "
         "under- or overextrusion problems. "
         "It's expressed as a percentage over nozzle diameter");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->mode = comAdvanced;
     def->min = 0;
     def->set_default_value(new ConfigOptionPercent(25));
@@ -3638,7 +3638,7 @@ void PrintConfigDef::init_fff_params()
         "not be printed, while features thicker than the Minimum feature size will be widened to "
         "the Minimum wall width. "
         "It's expressed as a percentage over nozzle diameter");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->mode = comAdvanced;
     def->min = 0;
     def->set_default_value(new ConfigOptionPercent(25));
@@ -3650,7 +3650,7 @@ void PrintConfigDef::init_fff_params()
         "of the model. If the Minimum wall width is thinner than the thickness of the feature,"
         " the wall will become as thick as the feature itself. "
         "It's expressed as a percentage over nozzle diameter");
-    def->sidetext = L("%");
+    def->sidetext = "%";
     def->mode = comAdvanced;
     def->min = 0;
     def->set_default_value(new ConfigOptionPercent(85));
diff --git a/src/slic3r/GUI/CalibrationWizardPresetPage.cpp b/src/slic3r/GUI/CalibrationWizardPresetPage.cpp
index 6f9e39261..b871a4284 100644
--- a/src/slic3r/GUI/CalibrationWizardPresetPage.cpp
+++ b/src/slic3r/GUI/CalibrationWizardPresetPage.cpp
@@ -297,7 +297,7 @@ void CaliPresetCustomRangePanel::create_panel(wxWindow* parent)
         m_title_texts[i]->Wrap(-1);
         m_title_texts[i]->SetFont(::Label::Body_14);
         item_sizer->Add(m_title_texts[i], 0, wxALL, 0);
-        m_value_inputs[i] = new TextInput(parent, wxEmptyString, _L("\u2103"), "", wxDefaultPosition, CALIBRATION_FROM_TO_INPUT_SIZE, 0);
+        m_value_inputs[i] = new TextInput(parent, wxEmptyString, wxString::FromUTF8("掳C"), "", wxDefaultPosition, CALIBRATION_FROM_TO_INPUT_SIZE, 0);
         m_value_inputs[i]->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
         item_sizer->Add(m_value_inputs[i], 0, wxALL, 0);
         horiz_sizer->Add(item_sizer, 0, wxEXPAND, 0);
@@ -344,7 +344,7 @@ void CaliPresetTipsPanel::create_panel(wxWindow* parent)
     auto nozzle_temp_sizer = new wxBoxSizer(wxVERTICAL);
     auto nozzle_temp_text = new Label(parent, _L("Nozzle temperature"));
     nozzle_temp_text->SetFont(Label::Body_12);
-    m_nozzle_temp = new TextInput(parent, wxEmptyString, _L("\u2103"), "", wxDefaultPosition, CALIBRATION_FROM_TO_INPUT_SIZE, wxTE_READONLY);
+    m_nozzle_temp = new TextInput(parent, wxEmptyString, wxString::FromUTF8("掳C"), "", wxDefaultPosition, CALIBRATION_FROM_TO_INPUT_SIZE, wxTE_READONLY);
     m_nozzle_temp->SetBorderWidth(0);
     nozzle_temp_sizer->Add(nozzle_temp_text, 0, wxALIGN_LEFT);
     nozzle_temp_sizer->Add(m_nozzle_temp, 0, wxEXPAND);
@@ -359,7 +359,7 @@ void CaliPresetTipsPanel::create_panel(wxWindow* parent)
     auto bed_temp_text = new Label(parent, _L("Bed temperature"));
     bed_temp_text->SetFont(Label::Body_12);
 
-    m_bed_temp = new Label(parent, _L("- \u2103"));
+    m_bed_temp = new Label(parent, wxString::FromUTF8("- 掳C"));
     m_bed_temp->SetFont(Label::Body_12);
     bed_temp_sizer->Add(bed_temp_text, 0, wxALIGN_CENTER | wxRIGHT, FromDIP(10));
     bed_temp_sizer->Add(m_bed_temp, 0, wxALIGN_CENTER);
@@ -367,7 +367,7 @@ void CaliPresetTipsPanel::create_panel(wxWindow* parent)
     auto max_flow_sizer = new wxBoxSizer(wxVERTICAL);
     auto max_flow_text = new Label(parent, _L("Max volumetric speed"));
     max_flow_text->SetFont(Label::Body_12);
-    m_max_volumetric_speed = new TextInput(parent, wxEmptyString, _L("mm\u00B3"), "", wxDefaultPosition, CALIBRATION_FROM_TO_INPUT_SIZE, wxTE_READONLY);
+    m_max_volumetric_speed = new TextInput(parent, wxEmptyString, wxString::FromUTF8("mm鲁"), "", wxDefaultPosition, CALIBRATION_FROM_TO_INPUT_SIZE, wxTE_READONLY);
     m_max_volumetric_speed->SetBorderWidth(0);
     max_flow_sizer->Add(max_flow_text, 0, wxALIGN_LEFT);
     max_flow_sizer->Add(m_max_volumetric_speed, 0, wxEXPAND);
@@ -390,10 +390,10 @@ void CaliPresetTipsPanel::set_params(int nozzle_temp, int bed_temp, float max_vo
     wxString text_nozzle_temp = wxString::Format("%d", nozzle_temp);
     m_nozzle_temp->GetTextCtrl()->SetValue(text_nozzle_temp);
 
-    wxString bed_temp_text = wxString::Format("%d", bed_temp);
+    std::string bed_temp_text = format("%d", bed_temp);
     if (bed_temp == 0)
         bed_temp_text = "-";
-    m_bed_temp->SetLabel(bed_temp_text + _L(" \u2103"));
+    m_bed_temp->SetLabel(wxString::FromUTF8(bed_temp_text + "掳C"));
 
     wxString flow_val_text = wxString::Format("%0.2f", max_volumetric);
     m_max_volumetric_speed->GetTextCtrl()->SetValue(flow_val_text);
@@ -1399,7 +1399,7 @@ void CalibrationPresetPage::set_cali_method(CalibrationMethod method)
                 }
                 m_custom_range_panel->set_values(values);
 
-                m_custom_range_panel->set_unit(_L(""));
+                m_custom_range_panel->set_unit("");
                 m_custom_range_panel->Show();
             }
         }
@@ -1880,7 +1880,7 @@ MaxVolumetricSpeedPresetPage::MaxVolumetricSpeedPresetPage(
         titles.push_back(_L("Step"));
         m_custom_range_panel->set_titles(titles);
 
-        m_custom_range_panel->set_unit(_L("mm\u00B3/s"));
+        m_custom_range_panel->set_unit("mm鲁/s");
     }
 }
 }}
diff --git a/src/slic3r/GUI/CameraPopup.cpp b/src/slic3r/GUI/CameraPopup.cpp
index e7b5cf68d..393540d45 100644
--- a/src/slic3r/GUI/CameraPopup.cpp
+++ b/src/slic3r/GUI/CameraPopup.cpp
@@ -327,9 +327,9 @@ void CameraPopup::update(bool vcamera_streaming)
 wxString CameraPopup::to_resolution_label_string(CameraResolution resolution) {
     switch (resolution) {
     case RESOLUTION_720P:
-        return _L("720p");
+        return "720p";
     case RESOLUTION_1080P:
-        return _L("1080p");
+        return "1080p";
     default:
         return "";
     }
diff --git a/src/slic3r/GUI/ConfigWizard.cpp b/src/slic3r/GUI/ConfigWizard.cpp
index 67c99f5a4..9bcdcb03c 100644
--- a/src/slic3r/GUI/ConfigWizard.cpp
+++ b/src/slic3r/GUI/ConfigWizard.cpp
@@ -1448,7 +1448,7 @@ PageTemperatures::PageTemperatures(ConfigWizard *parent)
 
     auto *sizer_extr = new wxFlexGridSizer(3, 5, 5);
     auto *text_extr = new wxStaticText(this, wxID_ANY, _L("Extrusion Temperature:"));
-    auto *unit_extr = new wxStaticText(this, wxID_ANY, _L("掳C"));
+    auto *unit_extr = new wxStaticText(this, wxID_ANY, "掳C");
     sizer_extr->AddGrowableCol(0, 1);
     sizer_extr->Add(text_extr, 0, wxALIGN_CENTRE_VERTICAL);
     sizer_extr->Add(spin_extr);
@@ -1462,7 +1462,7 @@ PageTemperatures::PageTemperatures(ConfigWizard *parent)
 
     auto *sizer_bed = new wxFlexGridSizer(3, 5, 5);
     auto *text_bed = new wxStaticText(this, wxID_ANY, _L("Bed Temperature:"));
-    auto *unit_bed = new wxStaticText(this, wxID_ANY, _L("掳C"));
+    auto *unit_bed = new wxStaticText(this, wxID_ANY, "掳C");
     sizer_bed->AddGrowableCol(0, 1);
     sizer_bed->Add(text_bed, 0, wxALIGN_CENTRE_VERTICAL);
     sizer_bed->Add(spin_bed);
diff --git a/src/slic3r/GUI/CreatePresetsDialog.cpp b/src/slic3r/GUI/CreatePresetsDialog.cpp
index 0550a7242..b5ca93e07 100644
--- a/src/slic3r/GUI/CreatePresetsDialog.cpp
+++ b/src/slic3r/GUI/CreatePresetsDialog.cpp
@@ -1745,7 +1745,7 @@ wxBoxSizer *CreatePrinterPresetDialog::create_bed_size_item(wxWindow *parent)
     horizontal_sizer->Add(optionSizer, 0, wxEXPAND | wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(10));
 
     wxBoxSizer *  length_sizer          = new wxBoxSizer(wxVERTICAL);
-    wxStaticText *static_length_text = new wxStaticText(parent, wxID_ANY, _L("X"), wxDefaultPosition, wxDefaultSize);
+    wxStaticText *static_length_text = new wxStaticText(parent, wxID_ANY, "X", wxDefaultPosition, wxDefaultSize);
     static_length_text->SetMinSize(ORIGIN_TEXT_SIZE);
     static_length_text->SetSize(ORIGIN_TEXT_SIZE);
     length_sizer->Add(static_length_text, 0, wxEXPAND | wxALL, 0);
@@ -1758,7 +1758,7 @@ wxBoxSizer *CreatePrinterPresetDialog::create_bed_size_item(wxWindow *parent)
     horizontal_sizer->Add(length_input_sizer, 0, wxEXPAND | wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(5));
 
     wxBoxSizer *  width_sizer      = new wxBoxSizer(wxVERTICAL);
-    wxStaticText *static_width_text = new wxStaticText(parent, wxID_ANY, _L("Y"), wxDefaultPosition, wxDefaultSize);
+    wxStaticText *static_width_text = new wxStaticText(parent, wxID_ANY, "Y", wxDefaultPosition, wxDefaultSize);
     static_width_text->SetMinSize(ORIGIN_TEXT_SIZE);
     static_width_text->SetSize(ORIGIN_TEXT_SIZE);
     width_sizer->Add(static_width_text, 0, wxEXPAND | wxALL, 0);
@@ -1784,7 +1784,7 @@ wxBoxSizer *CreatePrinterPresetDialog::create_origin_item(wxWindow *parent)
     horizontal_sizer->Add(optionSizer, 0, wxEXPAND | wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(10));
 
     wxBoxSizer *  length_sizer       = new wxBoxSizer(wxVERTICAL);
-    wxStaticText *static_origin_x_text = new wxStaticText(parent, wxID_ANY, _L("X"), wxDefaultPosition, wxDefaultSize);
+    wxStaticText *static_origin_x_text = new wxStaticText(parent, wxID_ANY, "X", wxDefaultPosition, wxDefaultSize);
     static_origin_x_text->SetMinSize(ORIGIN_TEXT_SIZE);
     static_origin_x_text->SetSize(ORIGIN_TEXT_SIZE);
     length_sizer->Add(static_origin_x_text, 0, wxEXPAND | wxALL, 0);
@@ -1797,7 +1797,7 @@ wxBoxSizer *CreatePrinterPresetDialog::create_origin_item(wxWindow *parent)
     horizontal_sizer->Add(length_input_sizer, 0, wxEXPAND | wxALL | wxALIGN_CENTER_VERTICAL, FromDIP(5));
 
     wxBoxSizer *  width_sizer       = new wxBoxSizer(wxVERTICAL);
-    wxStaticText *static_origin_y_text = new wxStaticText(parent, wxID_ANY, _L("Y"), wxDefaultPosition, wxDefaultSize);
+    wxStaticText *static_origin_y_text = new wxStaticText(parent, wxID_ANY, "Y", wxDefaultPosition, wxDefaultSize);
     static_origin_y_text->SetMinSize(ORIGIN_TEXT_SIZE);
     static_origin_y_text->SetSize(ORIGIN_TEXT_SIZE);
     width_sizer->Add(static_origin_y_text, 0, wxEXPAND | wxALL, 0);
diff --git a/src/slic3r/GUI/DailyTips.cpp b/src/slic3r/GUI/DailyTips.cpp
index 795733a54..69df98a01 100644
--- a/src/slic3r/GUI/DailyTips.cpp
+++ b/src/slic3r/GUI/DailyTips.cpp
@@ -398,7 +398,7 @@ void DailyTipsPanel::render_controller_buttons(const ImVec2& pos, const ImVec2&
                 ImGui::PushStyleColor(ImGuiCol_Text, ImColor(144, 144, 144, (int)(255 * m_fade_opacity)).Value);
 
                 button_text = ImGui::CollapseArrowIcon;
-                imgui.button((_L("Collapse") + button_text));
+                imgui.button(_L("Collapse") + button_text);
                 ImVec2 collapse_btn_size = ImGui::CalcTextSize((_u8L("Collapse")).c_str());
                 collapse_btn_size.x += button_size.x / 2.0f;
                 if (ImGui::IsMouseHoveringRect(btn_pos, btn_pos + collapse_btn_size, true))
@@ -425,12 +425,12 @@ void DailyTipsPanel::render_controller_buttons(const ImVec2& pos, const ImVec2&
 
                 // for bold font text, split text and icon-font button
                 imgui.push_bold_font();
-                imgui.button((_L("Daily Tips")));
+                imgui.button(_L("Daily Tips"));
                 imgui.pop_bold_font();
                 ImVec2 expand_btn_size = ImGui::CalcTextSize((_u8L("Daily Tips")).c_str());
                 ImGui::SetCursorScreenPos(ImVec2(btn_pos.x + expand_btn_size.x + ImGui::CalcTextSize(" ").x, btn_pos.y));
                 button_text = ImGui::ExpandArrowIcon;
-                imgui.button(button_text.c_str());
+                imgui.button(button_text);
                 expand_btn_size.x += 19.0f * scale;
                 if (ImGui::IsMouseHoveringRect(btn_pos, btn_pos + expand_btn_size, true))
                 {
@@ -484,7 +484,7 @@ void DailyTipsPanel::render_controller_buttons(const ImVec2& pos, const ImVec2&
                 retrieve_data_from_hint_database(HintDataNavigation::Prev);
         }
         ImGui::PushStyleColor(ImGuiCol_Text, button_text_color.Value);// for icon-font button
-        imgui.button(button_text.c_str());
+        imgui.button(button_text);
         ImGui::PopStyleColor();
 
         // next button
@@ -499,7 +499,7 @@ void DailyTipsPanel::render_controller_buttons(const ImVec2& pos, const ImVec2&
                 retrieve_data_from_hint_database(HintDataNavigation::Next);
         }
         ImGui::PushStyleColor(ImGuiCol_Text, button_text_color.Value);// for icon-font button
-        imgui.button(button_text.c_str());
+        imgui.button(button_text);
         ImGui::PopStyleColor();
 
         ImGui::PopStyleColor(4);
diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 7c224563d..0cd81542f 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -335,15 +335,15 @@ wxString HMSItem::get_module_name(ModuleID module_id)
     switch (module_id)
     {
     case MODULE_MC:
-        return _L("MC");
+        return "MC";
     case MODULE_MAINBOARD:
-        return _L("MainBoard");
+        return "MainBoard";
     case MODULE_AMS:
-        return _L("AMS");
+        return "AMS";
     case MODULE_TH:
-        return _L("TH");
+        return "TH";
     case MODULE_XCAM:
-        return _L("XCam");
+        return "XCam";
     default:
         wxString text = _L("Unknown") + wxString::Format("0x%x", (unsigned)module_id);
         return text;
diff --git a/src/slic3r/GUI/ExtrusionCalibration.cpp b/src/slic3r/GUI/ExtrusionCalibration.cpp
index e85b0cf80..2fbe04ef8 100644
--- a/src/slic3r/GUI/ExtrusionCalibration.cpp
+++ b/src/slic3r/GUI/ExtrusionCalibration.cpp
@@ -126,21 +126,21 @@ void ExtrusionCalibration::create()
         wxWindow::GetTextExtent(_L("Bed Temperature")).x),
         wxWindow::GetTextExtent(_L("Max volumetric speed")).x),
         EXTRUSION_CALIBRATION_INPUT_SIZE.x);
-    m_nozzle_temp = new TextInput(m_step_1_panel, wxEmptyString, _L("\u2103"), "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
+    m_nozzle_temp = new TextInput(m_step_1_panel, wxEmptyString, "掳C", "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
     nozzle_temp_sizer->Add(nozzle_temp_text, 0, wxALIGN_LEFT);
     nozzle_temp_sizer->AddSpacer(FromDIP(4));
     nozzle_temp_sizer->Add(m_nozzle_temp, 0, wxEXPAND);
 
     auto bed_temp_sizer = new wxBoxSizer(wxVERTICAL);
     auto bed_temp_text = new wxStaticText(m_step_1_panel, wxID_ANY, _L("Bed temperature"));
-    m_bed_temp = new TextInput(m_step_1_panel, wxEmptyString, _L("\u2103"), "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
+    m_bed_temp = new TextInput(m_step_1_panel, wxEmptyString, "掳C", "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
     bed_temp_sizer->Add(bed_temp_text, 0, wxALIGN_LEFT);
     bed_temp_sizer->AddSpacer(FromDIP(4));
     bed_temp_sizer->Add(m_bed_temp, 0, wxEXPAND);
 
     auto max_flow_sizer = new wxBoxSizer(wxVERTICAL);
     auto max_flow_text = new wxStaticText(m_step_1_panel, wxID_ANY, _L("Max volumetric speed"));
-    m_max_flow_ratio = new TextInput(m_step_1_panel, wxEmptyString, _L("mm\u00B3"), "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
+    m_max_flow_ratio = new TextInput(m_step_1_panel, wxEmptyString, "mm鲁", "", wxDefaultPosition, { max_input_width, EXTRUSION_CALIBRATION_INPUT_SIZE.y }, wxTE_READONLY);
     max_flow_sizer->Add(max_flow_text, 0, wxALIGN_LEFT);
     max_flow_sizer->AddSpacer(FromDIP(4));
     max_flow_sizer->Add(m_max_flow_ratio, 0, wxEXPAND);
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp b/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp
index 54635831c..c24acd33a 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoAdvancedCut.cpp
@@ -2051,8 +2051,8 @@ void GLGizmoAdvancedCut::render_cut_plane_input_window(float x, float y, float b
     };
 
     m_imgui->text(_L("After cut") + ": ");
-    render_part_action_line( _L("A"), "##upper", m_keep_upper, m_place_on_cut_upper, m_rotate_upper);
-    render_part_action_line( _L("B"), "##lower", m_keep_lower, m_place_on_cut_lower, m_rotate_lower);
+    render_part_action_line( "A", "##upper", m_keep_upper, m_place_on_cut_upper, m_rotate_upper);
+    render_part_action_line( "B", "##lower", m_keep_lower, m_place_on_cut_lower, m_rotate_lower);
 
     m_imgui->disabled_begin(has_connectors || m_cut_mode == CutMode::cutTongueAndGroove);
     m_imgui->bbl_checkbox(_L("Cut to parts"), m_cut_to_parts);
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp b/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
index 73ed826fc..b4ad8d3ea 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoSlaSupports.cpp
@@ -1224,7 +1224,7 @@ SlaGizmoHelpDialog::SlaGizmoHelpDialog()
     shortcuts.push_back(std::make_pair(wxString("Shift+")+_L("Drag"), _L("Select by rectangle")));
     shortcuts.push_back(std::make_pair(alt+_(L("Drag")),              _L("Deselect by rectangle")));
     shortcuts.push_back(std::make_pair(ctrl+"A",                      _L("Select all points")));
-    shortcuts.push_back(std::make_pair("Delete",                      _L("Remove selected points")));
+    shortcuts.push_back(std::make_pair(_L("Delete"),                  _L("Remove selected points")));
     shortcuts.push_back(std::make_pair(ctrl+_L("Mouse wheel"),        _L("Move clipping plane")));
     shortcuts.push_back(std::make_pair("R",                           _L("Reset clipping plane")));
     shortcuts.push_back(std::make_pair("Enter",                       _L("Apply changes")));
diff --git a/src/slic3r/GUI/KBShortcutsDialog.cpp b/src/slic3r/GUI/KBShortcutsDialog.cpp
index e6231ba15..2487764a6 100644
--- a/src/slic3r/GUI/KBShortcutsDialog.cpp
+++ b/src/slic3r/GUI/KBShortcutsDialog.cpp
@@ -183,11 +183,7 @@ void KBShortcutsDialog::fill_shortcuts()
             // Slice plate
             { ctrl + "R", L("Slice plate")},
             // Send to Print
-#ifdef __APPLE__
-            { L("鈱�+Shift+G"), L("Print plate")},
-#else
-            { L("Ctrl+Shift+G"), L("Print plate")},
-#endif // __APPLE
+            { ctrl+ "Shift+G", L("Print plate")},
 
             // Edit
             { ctrl + "X", L("Cut") },
@@ -221,23 +217,16 @@ void KBShortcutsDialog::fill_shortcuts()
             {L("Shift+R"), L("Auto orientates selected objects or all objects.If there are selected objects, it just orientates the selected ones.Otherwise, it will orientates all objects in the current disk.")},
 
             {L("Shift+Tab"), L("Collapse/Expand the sidebar")},
-            #ifdef __APPLE__
-                {L("鈱�+Any arrow"), L("Movement in camera space")},
-                {L("鈱�+Left mouse button"), L("Select a part")},
-                {L("鈱�+Left mouse button"), L("Select multiple objects")},
-            #else
-                {L("Ctrl+Any arrow"), L("Movement in camera space")},
-                {L("Alt+Left mouse button"), L("Select a part")},
-                {L("Ctrl+Left mouse button"), L("Select multiple objects")},
-
-            #endif
+            {L(ctrl+"Any arrow"), L("Movement in camera space")},
+            {L(alt+"Left mouse button"), L("Select a part")},
+            {L(ctrl+"Left mouse button"), L("Select multiple objects")},
             {L("Shift+Left mouse button"), L("Select objects by rectangle")},
             {L("Arrow Up"), L("Move selection 10 mm in positive Y direction")},
             {L("Arrow Down"), L("Move selection 10 mm in negative Y direction")},
             {L("Arrow Left"), L("Move selection 10 mm in negative X direction")},
             {L("Arrow Right"), L("Move selection 10 mm in positive X direction")},
             {L("Shift+Any arrow"), L("Movement step set to 1 mm")},
-            {L("Esc"), L("Deselect all")},
+            {"Esc", L("Deselect all")},
             {"1-9", L("keyboard 1-9: set filament for object/part")},
             {ctrl + "0", L("Camera view - Default")},
             {ctrl + "1", L("Camera view - Top")},
@@ -263,7 +252,7 @@ void KBShortcutsDialog::fill_shortcuts()
         m_full_shortcuts.push_back({ { _L("Plater"), "" }, plater_shortcuts });
 
         Shortcuts gizmos_shortcuts = {
-            {L("Esc"), L("Deselect all")},
+            {"Esc", L("Deselect all")},
             {L("Shift+"), L("Move: press to snap by 1mm")},
             #ifdef __APPLE__
                 {L("鈱�+Mouse wheel"), L("Support/Color Painting: adjust pen radius")},
@@ -278,7 +267,7 @@ void KBShortcutsDialog::fill_shortcuts()
         Shortcuts object_list_shortcuts = {
             {"1-9", L("Set extruder number for the objects and parts") },
             {L("Del"), L("Delete objects, parts, modifiers  ")},
-            {L("Esc"), L("Deselect all")},
+            {"Esc", L("Deselect all")},
             {ctrl + "C", L("Copy to clipboard")},
             {ctrl + "V", L("Paste from clipboard")},
             {ctrl + "X", L("Cut")},
@@ -300,14 +289,8 @@ void KBShortcutsDialog::fill_shortcuts()
         { "L", L("On/Off one layer mode of the vertical slider")},
         {L("Shift+Any arrow"), L("Move slider 5x faster")},
         {L("Shift+Mouse wheel"), L("Move slider 5x faster")},
-        #ifdef __APPLE__
-            {L("鈱�+Any arrow"), L("Move slider 5x faster")},
-            {L("鈱�+Mouse wheel"), L("Move slider 5x faster")},
-        #else
-		    {L("Ctrl+Any arrow"), L("Move slider 5x faster")},
-		    {L("Ctrl+Mouse wheel"), L("Move slider 5x faster")},
-       #endif
-
+		{L(ctrl+"Any arrow"), L("Move slider 5x faster")},
+		{L(ctrl+"Mouse wheel"), L("Move slider 5x faster")},
         
     };
     m_full_shortcuts.push_back({ { _L("Preview"), "" }, preview_shortcuts });
diff --git a/src/slic3r/GUI/Monitor.cpp b/src/slic3r/GUI/Monitor.cpp
index 4c7019f76..0162e74ef 100644
--- a/src/slic3r/GUI/Monitor.cpp
+++ b/src/slic3r/GUI/Monitor.cpp
@@ -185,7 +185,7 @@ MonitorPanel::~MonitorPanel()
     m_tabpanel->AddPage(m_upgrade_panel, _L("Update"), "", false);
 
     m_hms_panel = new HMSPanel(m_tabpanel);
-    m_tabpanel->AddPage(m_hms_panel, _L("HMS"),"", false);
+    m_tabpanel->AddPage(m_hms_panel, "HMS","", false);
 
     m_initialized = true;
     show_status((int)MonitorStatus::MONITOR_NO_PRINTER);
diff --git a/src/slic3r/GUI/PrintHostDialogs.cpp b/src/slic3r/GUI/PrintHostDialogs.cpp
index 3be2f89cf..cfaceb132 100644
--- a/src/slic3r/GUI/PrintHostDialogs.cpp
+++ b/src/slic3r/GUI/PrintHostDialogs.cpp
@@ -242,7 +242,7 @@ PrintHostQueueDialog::PrintHostQueueDialog(wxWindow *parent)
     };
 
     // Note: Keep these in sync with Column
-    append_text_column(_L("ID"), widths[0]);
+    append_text_column("ID", widths[0]);
     job_list->AppendProgressColumn(_L("Progress"),      wxDATAVIEW_CELL_INERT, widths[1], wxALIGN_LEFT, wxDATAVIEW_COL_RESIZABLE | wxDATAVIEW_COL_SORTABLE);
     append_text_column(_L("Status"),widths[2]);
     append_text_column(_L("Host"),  widths[3]);
diff --git a/src/slic3r/GUI/ReleaseNote.cpp b/src/slic3r/GUI/ReleaseNote.cpp
index 19d8c3bd8..5580fd6ad 100644
--- a/src/slic3r/GUI/ReleaseNote.cpp
+++ b/src/slic3r/GUI/ReleaseNote.cpp
@@ -1073,7 +1073,7 @@ InputIpAddressDialog::InputIpAddressDialog(wxWindow* parent)
     auto m_input_tip_area = new wxBoxSizer(wxHORIZONTAL);
     auto m_input_area = new wxBoxSizer(wxHORIZONTAL);
 
-    m_tips_ip = new Label(this, _L("IP"));
+    m_tips_ip = new Label(this, "IP");
     m_tips_ip->SetMinSize(wxSize(FromDIP(168), -1));
     m_tips_ip->SetMaxSize(wxSize(FromDIP(168), -1));
 
diff --git a/src/slic3r/GUI/SlicingProgressNotification.cpp b/src/slic3r/GUI/SlicingProgressNotification.cpp
index 5600c6247..7ddd974f6 100644
--- a/src/slic3r/GUI/SlicingProgressNotification.cpp
+++ b/src/slic3r/GUI/SlicingProgressNotification.cpp
@@ -452,7 +452,7 @@ void Slic3r::GUI::NotificationManager::SlicingProgressNotification::render_cance
 			if (ImGui::IsMouseClicked(ImGuiMouseButton_Left))
 				on_cancel_button();
 		}
-		imgui.button(button_text.c_str());
+		imgui.button(button_text);
 
 		ImGui::PopStyleColor(5);
 	}
@@ -481,7 +481,7 @@ void NotificationManager::SlicingProgressNotification::render_close_button(const
 			if (ImGui::IsMouseClicked(ImGuiMouseButton_Left))
 				close();
 		}
-		imgui.button(button_text.c_str());
+		imgui.button(button_text);
 
 		ImGui::PopStyleColor(5);
 	}
diff --git a/src/slic3r/GUI/StatusPanel.cpp b/src/slic3r/GUI/StatusPanel.cpp
index e645c4e4a..3aa8150bb 100644
--- a/src/slic3r/GUI/StatusPanel.cpp
+++ b/src/slic3r/GUI/StatusPanel.cpp
@@ -329,12 +329,12 @@ void PrintingTaskPanel::create_panel(wxWindow* parent)
     sizer_percent_icon->Add(0, 0, 1, wxEXPAND, 0);
 
 
-    m_staticText_progress_percent = new wxStaticText(penel_text, wxID_ANY, L("0"), wxDefaultPosition, wxDefaultSize, 0);
+    m_staticText_progress_percent = new wxStaticText(penel_text, wxID_ANY, "0", wxDefaultPosition, wxDefaultSize, 0);
     m_staticText_progress_percent->SetFont(::Label::Head_18);
     m_staticText_progress_percent->SetMaxSize(wxSize(-1, FromDIP(20)));
     m_staticText_progress_percent->SetForegroundColour(wxColour(0, 174, 66));
 
-    m_staticText_progress_percent_icon = new wxStaticText(penel_text, wxID_ANY, L("%"), wxDefaultPosition, wxDefaultSize, 0);
+    m_staticText_progress_percent_icon = new wxStaticText(penel_text, wxID_ANY, "%", wxDefaultPosition, wxDefaultSize, 0);
     m_staticText_progress_percent_icon->SetFont(::Label::Body_11);
     m_staticText_progress_percent_icon->SetMaxSize(wxSize(-1, FromDIP(13)));
     m_staticText_progress_percent_icon->SetForegroundColour(wxColour(0, 174, 66));
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index f2d376389..ea0226794 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -3011,12 +3011,12 @@ void TabFilament::build()
 
         optgroup->append_single_option_line("activate_air_filtration");
 
-        line = {L("During print"), L("")};
+        line = {L("During print"), ""};
         line.append_option(optgroup->get_option("during_print_exhaust_fan_speed"));
         optgroup->append_line(line);
 
 
-        line = {L("Complete print"), L("")};
+        line = {L("Complete print"), ""};
         line.append_option(optgroup->get_option("complete_print_exhaust_fan_speed"));
         optgroup->append_line(line);
         //BBS
diff --git a/src/slic3r/GUI/calib_dlg.cpp b/src/slic3r/GUI/calib_dlg.cpp
index 22aa83554..f311f3487 100644
--- a/src/slic3r/GUI/calib_dlg.cpp
+++ b/src/slic3r/GUI/calib_dlg.cpp
@@ -260,7 +260,7 @@ Temp_Calibration_Dlg::Temp_Calibration_Dlg(wxWindow* parent, wxWindowID id, Plat
     SetSizer(v_sizer);
     wxBoxSizer* choice_sizer = new wxBoxSizer(wxHORIZONTAL);
 
-    wxString m_rbFilamentTypeChoices[] = { _L("PLA"), _L("ABS/ASA"), _L("PETG"), _L("TPU"), _L("PA-CF"), _L("PET-CF"), _L("Custom") };
+    wxString m_rbFilamentTypeChoices[] = { "PLA", "ABS/ASA", "PETG", "TPU", "PA-CF", "PET-CF", _L("Custom") };
     int m_rbFilamentTypeNChoices = sizeof(m_rbFilamentTypeChoices) / sizeof(wxString);
     m_rbFilamentType = new wxRadioBox(this, wxID_ANY, _L("Filament type"), wxDefaultPosition, wxDefaultSize, m_rbFilamentTypeNChoices, m_rbFilamentTypeChoices, 2, wxRA_SPECIFY_COLS);
     m_rbFilamentType->SetSelection(0);
@@ -287,7 +287,7 @@ Temp_Calibration_Dlg::Temp_Calibration_Dlg(wxWindow* parent, wxWindowID id, Plat
     // start temp
     auto start_temp_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto start_temp_text = new wxStaticText(this, wxID_ANY, start_temp_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiStart = new TextInput(this, std::to_string(230), _L("\u2103"), "", wxDefaultPosition, ti_size, wxTE_CENTRE);
+    m_tiStart = new TextInput(this, std::to_string(230), "掳C", "", wxDefaultPosition, ti_size, wxTE_CENTRE);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 
     start_temp_sizer->Add(start_temp_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, 2);
@@ -297,7 +297,7 @@ Temp_Calibration_Dlg::Temp_Calibration_Dlg(wxWindow* parent, wxWindowID id, Plat
     // end temp
     auto end_temp_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto end_temp_text = new wxStaticText(this, wxID_ANY, end_temp_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiEnd = new TextInput(this, std::to_string(190), _L("\u2103"), "", wxDefaultPosition, ti_size, wxTE_CENTRE);
+    m_tiEnd = new TextInput(this, std::to_string(190), "掳C", "", wxDefaultPosition, ti_size, wxTE_CENTRE);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
     end_temp_sizer->Add(end_temp_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, 2);
     end_temp_sizer->Add(m_tiEnd, 0, wxALL | wxALIGN_CENTER_VERTICAL, 2);
@@ -306,7 +306,7 @@ Temp_Calibration_Dlg::Temp_Calibration_Dlg(wxWindow* parent, wxWindowID id, Plat
     // temp step
     auto temp_step_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto temp_step_text = new wxStaticText(this, wxID_ANY, temp_step_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiStep = new TextInput(this, wxString::FromDouble(5),_L("\u2103"), "", wxDefaultPosition, ti_size, wxTE_CENTRE);
+    m_tiStep = new TextInput(this, wxString::FromDouble(5),"掳C", "", wxDefaultPosition, ti_size, wxTE_CENTRE);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
     m_tiStep->Enable(false);
     temp_step_sizer->Add(temp_step_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, 2);
@@ -342,7 +342,7 @@ Temp_Calibration_Dlg::Temp_Calibration_Dlg(wxWindow* parent, wxWindowID id, Plat
         if(!ti->GetTextCtrl()->GetValue().ToULong(&t))
             return;
         if(t> 350 || t < 180){
-            MessageDialog msg_dlg(nullptr, wxString::Format(L"Supported range: 180%s - 350%s",_L("\u2103"),_L("\u2103")), wxEmptyString, wxICON_WARNING | wxOK);
+            MessageDialog msg_dlg(nullptr, _L("Supported range: 180掳C - 350掳C"), wxEmptyString, wxICON_WARNING | wxOK);
             msg_dlg.ShowModal();
             if(t > 350)
                 t = 350;
@@ -671,7 +671,7 @@ Retraction_Test_Dlg::Retraction_Test_Dlg(wxWindow* parent, wxWindowID id, Plater
     // start length
     auto start_length_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto start_length_text = new wxStaticText(this, wxID_ANY, start_length_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiStart = new TextInput(this, std::to_string(0), _L("mm"), "", wxDefaultPosition, ti_size, wxTE_CENTRE);
+    m_tiStart = new TextInput(this, std::to_string(0), "mm", "", wxDefaultPosition, ti_size, wxTE_CENTRE);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
 
     start_length_sizer->Add(start_length_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, 2);
@@ -681,7 +681,7 @@ Retraction_Test_Dlg::Retraction_Test_Dlg(wxWindow* parent, wxWindowID id, Plater
     // end length
     auto end_length_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto end_length_text = new wxStaticText(this, wxID_ANY, end_length_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiEnd = new TextInput(this, std::to_string(2), _L("mm"), "", wxDefaultPosition, ti_size, wxTE_CENTRE);
+    m_tiEnd = new TextInput(this, std::to_string(2), "mm", "", wxDefaultPosition, ti_size, wxTE_CENTRE);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
     end_length_sizer->Add(end_length_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, 2);
     end_length_sizer->Add(m_tiEnd, 0, wxALL | wxALIGN_CENTER_VERTICAL, 2);
@@ -690,7 +690,7 @@ Retraction_Test_Dlg::Retraction_Test_Dlg(wxWindow* parent, wxWindowID id, Plater
     // length step
     auto length_step_sizer = new wxBoxSizer(wxHORIZONTAL);
     auto length_step_text = new wxStaticText(this, wxID_ANY, length_step_str, wxDefaultPosition, st_size, wxALIGN_LEFT);
-    m_tiStep = new TextInput(this, wxString::FromDouble(0.1), _L("mm/mm"), "", wxDefaultPosition, ti_size, wxTE_CENTRE);
+    m_tiStep = new TextInput(this, wxString::FromDouble(0.1), "mm/mm", "", wxDefaultPosition, ti_size, wxTE_CENTRE);
     m_tiStart->GetTextCtrl()->SetValidator(wxTextValidator(wxFILTER_NUMERIC));
     length_step_sizer->Add(length_step_text, 0, wxALL | wxALIGN_CENTER_VERTICAL, 2);
     length_step_sizer->Add(m_tiStep, 0, wxALL | wxALIGN_CENTER_VERTICAL, 2);