diff --git a/statapp/main_window.py b/statapp/main_window.py
index 6daa193..f3ff833 100644
--- a/statapp/main_window.py
+++ b/statapp/main_window.py
@@ -120,18 +120,6 @@ class MainWindow(QMainWindow):
         msgBox.setStandardButtons(buttons)
         msgBox.setDefaultButton(defaultButton)
 
-        if msgBox.button(QMessageBox.Yes) is not None:
-            msgBox.button(QMessageBox.Yes).setText("Да")
-
-        if msgBox.button(QMessageBox.No) is not None:
-            msgBox.button(QMessageBox.No).setText("Нет")
-
-        if msgBox.button(QMessageBox.Ok) is not None:
-            msgBox.button(QMessageBox.Ok).setText("Ок")
-
-        if msgBox.button(QMessageBox.Cancel) is not None:
-            msgBox.button(QMessageBox.Cancel).setText("Отмена")
-
         return msgBox
 
     def closeEvent(self, event):
diff --git a/statapp/models/fileslc_model.py b/statapp/models/fileslc_model.py
index da0988b..cc25980 100644
--- a/statapp/models/fileslc_model.py
+++ b/statapp/models/fileslc_model.py
@@ -8,7 +8,7 @@ class FileSLCModel:
         self.file_name = None
 
     def saveFile(self, data):
-        if self.file_name is None:
+        if not self.file_name:
             self.file_name, _ = QFileDialog.getSaveFileName(None, "Сохранить файл", "", "Text Files (*.txt);;CSV Files (*.csv)")
         if self.file_name:
             np.savetxt(self.file_name, data, delimiter=",")
@@ -17,7 +17,7 @@ class FileSLCModel:
 
     def loadFile(self):
         self.file_name, _ = QFileDialog.getOpenFileName(None, "Загрузить файл", "", "Files (*.txt;*.csv)")
-        if self.file_name:
+        if not self.file_name:
             try:
                 content = np.genfromtxt(self.file_name, delimiter=',', invalid_raise=True)
             except ValueError as e: