diff --git a/TranslateUI/TranslateBasic.cpp b/TranslateUI/TranslateBasic.cpp
index 5868f11..5d3575c 100644
--- a/TranslateUI/TranslateBasic.cpp
+++ b/TranslateUI/TranslateBasic.cpp
@@ -185,7 +185,7 @@ QVariant BytesAsInteger::parse(const QByteArray& bytes) const
 	}
 	else {
 		auto last = bytes[bytes.size() - 1];
-		auto mark = last == 0? 0: last / std::abs(last);
+		auto mark = last == 0 ? 0 : last / std::abs(last);
 
 		auto xbuffer = bytes;
 		if (mark >= 0) {
@@ -204,3 +204,47 @@ QVariant BytesAsInteger::parse(const QByteArray& bytes) const
 		return *((long long*)(&value));
 	}
 }
+
+#include <QTextCodec>
+
+BytesAsString::BytesAsString()
+	:AbstractTranslateUnit(NAME(BytesAsString)){
+	_conv_with = QTextCodec::codecForName("GBK");
+}
+
+void BytesAsString::setStrCodec(QTextCodec* ins)
+{
+	this->_conv_with = ins;
+}
+
+QString BytesAsString::codecName() const
+{
+	return this->_conv_with->name();
+}
+
+QVariant BytesAsString::parse(const QByteArray& bytes) const
+{
+	return _conv_with->toUnicode(bytes);
+}
+
+void BytesAsString::loadFrom(const QJsonObject& obj)
+{
+	AbstractTranslateUnit::loadFrom(obj);
+
+	QString codec_name;
+	STRING_PEAK(codec_name);
+	this->_conv_with = QTextCodec::codecForName(codec_name.toLatin1());
+}
+
+void BytesAsString::saveTo(QJsonObject& obj) const
+{
+	AbstractTranslateUnit::saveTo(obj);
+
+	auto codec_name = this->codecName();
+	STRING_SAVE(codec_name);
+}
+
+std::shared_ptr<Serializable> BytesAsString::newDefault() const
+{
+	return std::make_shared<BytesAsString>();
+}
diff --git a/TranslateUI/TranslateBasic.h b/TranslateUI/TranslateBasic.h
index 9375a40..9ef2b61 100644
--- a/TranslateUI/TranslateBasic.h
+++ b/TranslateUI/TranslateBasic.h
@@ -127,7 +127,9 @@ public:
 	std::shared_ptr<Serializable> newDefault() const override;
 };
 
-
+/// <summary>
+/// 转换源数据为整形
+/// </summary>
 class BytesAsInteger : public AbstractTranslateUnit {
 private:
 	bool unsigned_mark = false;
@@ -146,10 +148,28 @@ public:
 	void loadFrom(const QJsonObject& obj) override;
 	void saveTo(QJsonObject& obj) const override;
 	std::shared_ptr<Serializable> newDefault() const override;
-
 };
 
+#define STRING_PEAK(codec_name) codec_name = obj[NAME(codec_name)].toString();
+#define STRING_SAVE(codec_name) obj[NAME(codec_name)] = codec_name;
+/// <summary>
+/// 转换源数据为字符串
+/// </summary>
 class BytesAsString : public AbstractTranslateUnit {
 private:
-	QTextCodec *_conv_with;
+	QTextCodec *_conv_with = nullptr;
+
+public:
+	BytesAsString();
+
+	void setStrCodec(QTextCodec *ins);
+	QString codecName() const;
+
+	// TranslateUnit ============================
+	QVariant parse(const QByteArray& bytes) const override;
+
+	// Serializable ==============================
+	void loadFrom(const QJsonObject& obj) override;
+	void saveTo(QJsonObject& obj) const override;
+	std::shared_ptr<Serializable> newDefault() const override;
 };
\ No newline at end of file
diff --git a/TranslateUI/main.cpp b/TranslateUI/main.cpp
index 17db6a5..f24bcbc 100644
--- a/TranslateUI/main.cpp
+++ b/TranslateUI/main.cpp
@@ -9,10 +9,9 @@ int main(int argc, char *argv[])
     QApplication app(argc, argv);
 
     QByteArray vbuf;
-    uint value = 122;
+    uint value = -122;
     vbuf.append((char*)&value, 4);
     BytesAsInteger u;
-    u.setUnsignedMark(true);
     qDebug() << u.parse(vbuf);
 
     return app.exec();