diff --git a/sakura_core/dlg/CDlgFavorite.cpp b/sakura_core/dlg/CDlgFavorite.cpp
index 71a7ac4483..24ca0d69cd 100644
--- a/sakura_core/dlg/CDlgFavorite.cpp
+++ b/sakura_core/dlg/CDlgFavorite.cpp
@@ -934,7 +934,7 @@ void CDlgFavorite::AddItem()
 	CDlgInput1	cDlgInput1;
 	std::wstring strTitle = LS( STR_DLGFAV_ADD );
 	std::wstring strMessage = LS( STR_DLGFAV_ADD_PROMPT );
-	if( !cDlgInput1.DoModal( G_AppInstance(), GetHwnd(), strTitle.c_str(), strMessage.c_str(), max_size, szAddText ) ){
+	if( !cDlgInput1.DoModal( G_AppInstance(), GetHwnd(), strTitle.c_str(), strMessage.c_str(), max_size - 1, szAddText ) ){
 		return;
 	}
 
@@ -965,7 +965,7 @@ void CDlgFavorite::EditItem()
 			CDlgInput1	cDlgInput1;
 			std::wstring strTitle = LS( STR_DLGFAV_EDIT );
 			std::wstring strMessage = LS( STR_DLGFAV_EDIT_PROMPT );
-			if( !cDlgInput1.DoModal(G_AppInstance(), GetHwnd(), strTitle.c_str(), strMessage.c_str(), max_size, szText) ){
+			if( !cDlgInput1.DoModal(G_AppInstance(), GetHwnd(), strTitle.c_str(), strMessage.c_str(), max_size - 1, szText) ){
 				return;
 			}
 			GetFavorite(m_nCurrentTab);
diff --git a/sakura_core/dlg/CDlgPrintSetting.cpp b/sakura_core/dlg/CDlgPrintSetting.cpp
index 4a685b51e1..ecff2c9930 100644
--- a/sakura_core/dlg/CDlgPrintSetting.cpp
+++ b/sakura_core/dlg/CDlgPrintSetting.cpp
@@ -187,7 +187,6 @@ BOOL CDlgPrintSetting::OnDestroy( void )
 
 BOOL CDlgPrintSetting::OnNotify(NMHDR* pNMHDR)
 {
-	CDlgInput1		cDlgInput1;
 	NM_UPDOWN*		pMNUD;
 	int				idCtrl;
 	BOOL			bSpinDown;
diff --git a/sakura_core/dlg/CDlgProfileMgr.cpp b/sakura_core/dlg/CDlgProfileMgr.cpp
index 6ee540c9eb..eaa10716f0 100644
--- a/sakura_core/dlg/CDlgProfileMgr.cpp
+++ b/sakura_core/dlg/CDlgProfileMgr.cpp
@@ -343,7 +343,7 @@ void CDlgProfileMgr::CreateProf()
 	std::wstring strTitle = LS(STR_DLGPROFILE_NEW_PROF_TITLE);
 	std::wstring strMessage = LS(STR_DLGPROFILE_NEW_PROF_MSG);
 	szText[0] = L'\0';
-	if( !cDlgInput1.DoModal(::GetModuleHandle(NULL), GetHwnd(), strTitle.c_str(), strMessage.c_str(), max_size, szText) ){
+	if( !cDlgInput1.DoModal(::GetModuleHandle(NULL), GetHwnd(), strTitle.c_str(), strMessage.c_str(), max_size - 1, szText) ){
 		return;
 	}
 	if( szText[0] == L'\0' ){
@@ -402,7 +402,7 @@ void CDlgProfileMgr::RenameProf()
 	std::wstring strTitle = LS(STR_DLGPROFILE_RENAME_TITLE);
 	std::wstring strMessage = LS(STR_DLGPROFILE_RENAME_MSG);
 	int max_size = _MAX_PATH;
-	if( !cDlgInput1.DoModal(::GetModuleHandle(NULL), GetHwnd(), strTitle.c_str(), strMessage.c_str(), max_size, szText) ){
+	if( !cDlgInput1.DoModal(::GetModuleHandle(NULL), GetHwnd(), strTitle.c_str(), strMessage.c_str(), max_size - 1, szText) ){
 		return;
 	}
 	if( szText[0] == L'\0' ){
diff --git a/sakura_core/outline/CDlgFileTree.cpp b/sakura_core/outline/CDlgFileTree.cpp
index 6d9f18439a..a72a138492 100644
--- a/sakura_core/outline/CDlgFileTree.cpp
+++ b/sakura_core/outline/CDlgFileTree.cpp
@@ -776,11 +776,11 @@ BOOL CDlgFileTree::OnBnClicked( int wID )
 			std::wstring strTitle = LS(STR_DLGREPLC_STR);
 			WCHAR szPathFrom[_MAX_PATH];
 			szPathFrom[0] = L'\0';
-			if( dlgInput.DoModal(G_AppInstance(), GetHwnd(), strTitle.c_str(), strMsg.c_str(), _countof(szPathFrom), szPathFrom) ){
+			if( dlgInput.DoModal(G_AppInstance(), GetHwnd(), strTitle.c_str(), strMsg.c_str(), _countof(szPathFrom) - 1, szPathFrom) ){
 				WCHAR szPathTo[_MAX_PATH];
 				szPathTo[0] = L'\0';
 				strMsg = LS(STR_FILETREE_REPLACE_PATH_TO);
-				if( dlgInput.DoModal( G_AppInstance(), GetHwnd(), strTitle.c_str(), strMsg.c_str(), _countof(szPathTo), szPathTo) ){
+				if( dlgInput.DoModal( G_AppInstance(), GetHwnd(), strTitle.c_str(), strMsg.c_str(), _countof(szPathTo) - 1, szPathTo) ){
 					int nItemsCount = (int)m_fileTreeSetting.m_aItems.size();
 					for( int i = 0; i < nItemsCount; i++ ){
 						SFileTreeItem& item =  m_fileTreeSetting.m_aItems[i];
diff --git a/sakura_core/print/CPrintPreview.cpp b/sakura_core/print/CPrintPreview.cpp
index 6416235adc..f481916347 100644
--- a/sakura_core/print/CPrintPreview.cpp
+++ b/sakura_core/print/CPrintPreview.cpp
@@ -889,7 +889,7 @@ void CPrintPreview::OnPreviewGoDirectPage( void )
 		m_hwndPrintPreviewBar, 
 		LS(STR_ERR_DLGPRNPRVW5),
 		szMessage,
-		INPUT_PAGE_NUM_LEN,
+		_countof(szPageNum) - 1,
 		szPageNum
 	);
 	if( FALSE != bDlgInputPageResult ){