diff --git a/src/CopyrighFixer/CopyrighFixer/config.cpp b/src/CopyrighFixer/CopyrighFixer/config.cpp
index 3e855d5..c7a15f8 100644
--- a/src/CopyrighFixer/CopyrighFixer/config.cpp
+++ b/src/CopyrighFixer/CopyrighFixer/config.cpp
@@ -13,27 +13,27 @@ Config::Config() {
 }
 
 void Config::setSourceDir(const QString &pathToDir) {
-    sourceDirPath = pathToDir;
+    _sourceDirPath = pathToDir;
 }
 
 void Config::setSingValue(const Signature &value) {
-    signValue = value;
+    _signValue = value;
 }
 
 void Config::setCurrOwn(const QString &owner) {
-    currentOwner = owner;
+    _currentOwner = owner;
 }
 
 const QString &Config::getSrcDir() const {
-    return sourceDirPath;
+    return _sourceDirPath;
 }
 
 const Signature &Config::getSignVal() const {
-    return signValue;
+    return _signValue;
 }
 
 const QString &Config::getCurrentOwn() const {
-    return currentOwner;
+    return _currentOwner;
 }
 
 }
diff --git a/src/CopyrighFixer/CopyrighFixer/config.h b/src/CopyrighFixer/CopyrighFixer/config.h
index 924b062..bb9ec77 100644
--- a/src/CopyrighFixer/CopyrighFixer/config.h
+++ b/src/CopyrighFixer/CopyrighFixer/config.h
@@ -59,9 +59,9 @@ public:
     const QString &getCurrentOwn() const;
 
 private:
-    QString sourceDirPath;
-    Signature signValue;
-    QString currentOwner;
+    QString _sourceDirPath;
+    Signature _signValue;
+    QString _currentOwner;
 };
 
 }
diff --git a/src/CopyrighFixer/CopyrighFixer/owner.cpp b/src/CopyrighFixer/CopyrighFixer/owner.cpp
index 921b6e7..6af7665 100644
--- a/src/CopyrighFixer/CopyrighFixer/owner.cpp
+++ b/src/CopyrighFixer/CopyrighFixer/owner.cpp
@@ -13,19 +13,19 @@ Owner::Owner() {
 }
 
 void Owner::setName(const QString &ownerName) {
-    name = ownerName;
+    _name = ownerName;
 }
 
 const QString &Owner::getOwnerName() const {
-    return name;
+    return _name;
 }
 
 void Owner::setTimeRange(const QString &interval) {
-    timeRange = interval;
+    _timeRange = interval;
 }
 
 const QString &Owner::getTimeRange() const {
-    return timeRange;
+    return _timeRange;
 }
 
 };
diff --git a/src/CopyrighFixer/CopyrighFixer/owner.h b/src/CopyrighFixer/CopyrighFixer/owner.h
index 81dbc74..c658841 100644
--- a/src/CopyrighFixer/CopyrighFixer/owner.h
+++ b/src/CopyrighFixer/CopyrighFixer/owner.h
@@ -44,8 +44,8 @@ public:
      */
     const QString& getTimeRange() const;
 private:
-    QString name;
-    QString timeRange;
+    QString _name;
+    QString _timeRange;
 
 };
 
diff --git a/src/CopyrighFixer/CopyrighFixer/sign.cpp b/src/CopyrighFixer/CopyrighFixer/sign.cpp
index 00c2cb1..8e256e6 100644
--- a/src/CopyrighFixer/CopyrighFixer/sign.cpp
+++ b/src/CopyrighFixer/CopyrighFixer/sign.cpp
@@ -14,27 +14,27 @@ Signature::Signature() {
 }
 
 void Signature::setlistOwners(const QList<Owner> &objOwner) {
-    ownersList = objOwner;
+    _ownersList = objOwner;
 }
 
 void Signature::setLicenseTitle(const QString &strTitle) {
-    licenseTitle = strTitle;
+    _licenseTitle = strTitle;
 }
 
 void Signature::setMessage(const QString &strMsg) {
-    customMessage = strMsg;
+    _customMessage = strMsg;
 }
 
 const QList<Owner> &Signature::getLstOwn() const {
-    return ownersList;
+    return _ownersList;
 }
 
 const QString &Signature::getLicenseTitle() const {
-    return licenseTitle;
+    return _licenseTitle;
 }
 
 const QString &Signature::getMessage() const {
-    return customMessage;
+    return _customMessage;
 }
 
 }
diff --git a/src/CopyrighFixer/CopyrighFixer/sign.h b/src/CopyrighFixer/CopyrighFixer/sign.h
index 73be9e5..975bcfa 100644
--- a/src/CopyrighFixer/CopyrighFixer/sign.h
+++ b/src/CopyrighFixer/CopyrighFixer/sign.h
@@ -59,9 +59,9 @@ public:
     const QString& getMessage() const;
 
 private:
-    QList<Owner> ownersList;
-    QString licenseTitle;
-    QString customMessage;
+    QList<Owner> _ownersList;
+    QString _licenseTitle;
+    QString _customMessage;
 };
 
 }