diff --git a/logPlus/qtprojectwidgets.cpp b/logPlus/qtprojectwidgets.cpp
index 00eba14..965ce55 100644
--- a/logPlus/qtprojectwidgets.cpp
+++ b/logPlus/qtprojectwidgets.cpp
@@ -1175,11 +1175,11 @@ void QtProjectWidgets::onPasteSelObject()                // 粘贴
         char buf[1000];
         int i=1;
         while(1) {
-            sprintf(buf,"%s_%d",m_strCopyCurveObjectName.toStdString().c_str(),i++);
+            sprintf(buf,"%s_%d",m_strCopyCurveObjectName.toLocal8Bit().data(),i++);
             if (0>logio->FindObjectName(buf))
                 break;
             }
-        logio->CopyObject(m_strCopyCurveObjectName.toStdString().c_str(), buf);
+        logio->CopyObject(m_strCopyCurveObjectName.toLocal8Bit().data(), buf);
         logio->Close();
         delete logio;