diff --git a/common/geometryutils.cpp b/common/geometryutils.cpp
index ed03dfa..bddbc04 100644
--- a/common/geometryutils.cpp
+++ b/common/geometryutils.cpp
@@ -1083,7 +1083,34 @@ bool IsFiniteNumber(float v)
 		return false;
 }
 
+bool isAlreadyUTF8(const QString& str) {
+	// 检查是否包含常见的 GBK 乱码特征
+	// GBK 乱码通常是大量 ASCII 字符范围内但无意义的字符
+
+	// 方法1：检查是否包含替换字符   (U+FFFD)
+	if (str.contains(QChar::ReplacementCharacter)) {
+		return false;  // 包含替换字符，说明之前转换可能有问题
+	}
+
+	// 方法2：检查字符是否都在合法的 Unicode 范围
+	for (const QChar& ch : str) {
+		if (ch.unicode() < 0x20 && ch.unicode() != 0x0A && ch.unicode() != 0x0D) {
+			// 存在不可打印字符，可能是误转换
+			return false;
+		}
+	}
+
+	return true;
+}
+
+
 QString GBKToUTF8(const QByteArray& gbkData) {
+
+	if (isAlreadyUTF8(gbkData))
+	{
+		return gbkData;
+	}
+
 	QTextCodec* gbkCodec = QTextCodec::codecForName("GBK");
 	if (!gbkCodec) {
 		return QString();
diff --git a/logPlus/qtprojectwidgets.cpp b/logPlus/qtprojectwidgets.cpp
index 4adb5fc..c61de4c 100644
--- a/logPlus/qtprojectwidgets.cpp
+++ b/logPlus/qtprojectwidgets.cpp
@@ -549,7 +549,7 @@ void QtProjectWidgets::loadWellTree(QTreeWidgetItem *parent, QString fileFull, Q
             short Attribute=0,SubAttribute=0;
             logio->GetObjectAttribute(i,&Attribute,&SubAttribute);
 
-            QString strCurveName = QString::fromLocal8Bit(curvename);
+			QString strCurveName = GBKToUTF8(curvename);// QString::fromLocal8Bit(curvename);
             if(curvetype>CARD_OBJECT || 0 == curvetype)
             {
                 qDebug() << "strCurveName: " << strCurveName;