diff --git a/.gitignore b/.gitignore
index 9f94303a..23982ea4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,4 +20,4 @@ ignored/*.*
 *.suo
 /.vs
 /.xs
-/build
\ No newline at end of file
+/build*
\ No newline at end of file
diff --git a/DmMain/inc/Widgets/DUIIE.h b/DmMain/inc/Widgets/DUIIE.h
index b97fea7e..88d8b390 100644
--- a/DmMain/inc/Widgets/DUIIE.h
+++ b/DmMain/inc/Widgets/DUIIE.h
@@ -198,7 +198,7 @@ namespace DM
 
 		/// @brief 获得当前页面
 		/// @param[in]		pszURL		接收当前url的字符串缓冲区
-		/// @param[in]		nMaxLen		字符串缓冲区的最大长度
+		/// @param[in]		nMaxLen		字符串缓冲区的最大长度, 需要为L'\0'预留空间
 		/// @return HRESULT，失败为S_FALSE
 		HRESULT GetUrl(LPWSTR pszUrl, int nMaxLen);
 		CStringW GetUrl();
@@ -261,7 +261,7 @@ namespace DM
 		/// @param[in]		 strFun			指定要脚本执行的函数名称
 		/// @param[in]		 vecParams		给定要脚本执行的函数的参数列表
 		/// @param[out]		 strResult		返回脚本函数执行的结果
-		/// @param[in]		 nMaxLen		返回脚本函数执行的结果缓冲区的最大长度
+		/// @param[in]		 nMaxLen		返回脚本函数执行的结果缓冲区的最大长度, 需要为L'\0'预留空间
 		/// @return HRESULT，失败为E_FAIL
 		HRESULT ExecuteScriptFuntion( 
 			LPCWSTR pszFun, 
diff --git a/DmMain/src/Widgets/DUIIE.cpp b/DmMain/src/Widgets/DUIIE.cpp
index 0bd7adbc..b6cd80d0 100644
--- a/DmMain/src/Widgets/DUIIE.cpp
+++ b/DmMain/src/Widgets/DUIIE.cpp
@@ -757,23 +757,20 @@ namespace DM
 		{
 			DMComPtr<IWebBrowser2> pWeb = Ptr();
 			if (!pWeb)
-			{
 				break;
-			}
+
 			BSTR _bsURL = NULL;
 			hr = pWeb->get_LocationURL(&_bsURL);
 			if (!SUCCEEDED(hr) || _bsURL == NULL)
 				break;
-			CStringA strUrlA =_com_util::ConvertBSTRToString(_bsURL) ;
-			CStringW strUrlW = DMA2W(strUrlA, CP_UTF8);
-			if (nMaxLen < strUrlW.GetLength())
-			{
-				break;
-			}
-			ZeroMemory(pszUrl, nMaxLen*sizeof(wchar_t));
-			memcpy(pszUrl, strUrlW, strUrlW.GetLength()*sizeof(wchar_t));
 
-			hr = S_OK;
+			UINT cch = ::SysStringLen(_bsURL);
+			if (nMaxLen > cch) {
+				memcpy(pszUrl, _bsURL, cch * sizeof(wchar_t));
+				pszUrl[cch] = L'\0';
+				hr = S_OK;
+			}
+			::SysFreeString(_bsURL);
 		} while (false);
 		return hr;
 	}
@@ -785,15 +782,14 @@ namespace DM
 		{
 			DMComPtr<IWebBrowser2> pWeb = Ptr();
 			if (!pWeb)
-			{
 				break;
-			}
+
 			BSTR _bsURL = NULL;
 			HRESULT hr = pWeb->get_LocationURL(&_bsURL);
 			if (!SUCCEEDED(hr) || _bsURL == NULL)
 				break;
-			CStringA strUrlA =_com_util::ConvertBSTRToString(_bsURL) ;
-			strUrl = DMA2W(strUrlA, CP_UTF8);
+			strUrl.Append(_bsURL, ::SysStringLen(_bsURL));
+			::SysFreeString(_bsURL);
 		} while (false);
 		return strUrl;
 	}
@@ -1131,12 +1127,11 @@ namespace DM
 
 			if (strResult != NULL && _varErr.vt == VT_BSTR)
 			{
-				CStringA strResultA =_com_util::ConvertBSTRToString(_varErr.bstrVal) ;
-				CStringW strResultW = DMA2W(strResultA, CP_UTF8);
-				if (nMaxLen > strResultW.GetLength())
+				int cch = ::SysStringLen(_varErr.bstrVal);
+				if (nMaxLen > cch)
 				{
-					ZeroMemory(strResult, nMaxLen*sizeof(wchar_t));
-					memcpy(strResult, strResultW, strResultW.GetLength()*sizeof(wchar_t));
+					memcpy(strResult, _varErr.bstrVal, cch * sizeof(wchar_t));
+					strResult[cch] = L'\0';
 				}
 			}
 		} while (false);