diff --git a/src/main.py b/src/main.py
index 9a2afc1..bac5ad0 100644
--- a/src/main.py
+++ b/src/main.py
@@ -356,7 +356,7 @@ def extract(self):
                     if len(tl_name) == 0:
                         log_print('tl name is empty skip extract file(s)')
                         continue
-                    t = extractThread(threadID=cnt, p=i, tl_name=tl_name,dir=None,tl_dir=None,is_open_filter=self.filterCheckBox.isChecked(),filter_length=int(self.filterLengthLineEdit.text()))
+                    t = extractThread(threadID=cnt, p=i, tl_name=tl_name,dir=None,tl_dir=None,is_open_filter=self.filterCheckBox.isChecked(),filter_length=int(self.filterLengthLineEdit.text()),is_gen_empty=self.emptyCheckBox.isChecked())
                     t.start()
                     extract_threads.append(t)
                     cnt = cnt + 1
@@ -370,7 +370,7 @@ def extract(self):
                         continue
                     t = extractThread(threadID=cnt, p=None, tl_name=tl_name, dir=i, tl_dir=None,
                                       is_open_filter=self.filterCheckBox.isChecked(),
-                                      filter_length=int(self.filterLengthLineEdit.text()))
+                                      filter_length=int(self.filterLengthLineEdit.text()),is_gen_empty=self.emptyCheckBox.isChecked())
                     t.start()
                     extract_threads.append(t)
                     cnt = cnt + 1
@@ -385,7 +385,7 @@ def extract(self):
                 else:
                     if select_dir[len(select_dir) - 1] != '/' and select_dir[len(select_dir) - 1] != '\\':
                         select_dir = select_dir + '/'
-                    t = extractThread(threadID=cnt, p=None, tl_name=tl_name,dir=None,tl_dir=select_dir,is_open_filter=self.filterCheckBox.isChecked(),filter_length=int(self.filterLengthLineEdit.text()))
+                    t = extractThread(threadID=cnt, p=None, tl_name=tl_name,dir=None,tl_dir=select_dir,is_open_filter=self.filterCheckBox.isChecked(),filter_length=int(self.filterLengthLineEdit.text()),is_gen_empty=self.emptyCheckBox.isChecked())
                     t.start()
                     extract_threads.append(t)
                     cnt = cnt + 1
diff --git a/src/renpy_extract.py b/src/renpy_extract.py
index 2a8e4e3..549eb98 100644
--- a/src/renpy_extract.py
+++ b/src/renpy_extract.py
@@ -16,7 +16,7 @@
 
 
 class extractThread(threading.Thread):
-    def __init__(self, threadID, p, tl_name,dir, tl_dir, is_open_filter, filter_length=8):
+    def __init__(self, threadID, p, tl_name,dir, tl_dir, is_open_filter, filter_length,is_gen_empty):
         threading.Thread.__init__(self)
         self.threadID = threadID
         self.p = p
@@ -25,6 +25,7 @@ def __init__(self, threadID, p, tl_name,dir, tl_dir, is_open_filter, filter_leng
         self.tl_dir = tl_dir
         self.is_open_filter = is_open_filter
         self.filter_length = filter_length
+        self.is_gen_empty = is_gen_empty
 
     def run(self):
         try:
@@ -35,11 +36,11 @@ def run(self):
                     ori_tl = os.path.basename(self.tl_dir)
                     self.tl_dir = self.tl_dir[:-len(ori_tl)] + self.tl_name
                 log_print(self.tl_dir + ' begin extract!')
-                ExtractAllFilesInDir(self.tl_dir, self.is_open_filter, self.filter_length)
+                ExtractAllFilesInDir(self.tl_dir, self.is_open_filter, self.filter_length,self.is_gen_empty)
             else:
                 if self.p is not None:
                     log_print(self.p + ' begin extract!')
-                    ExtractWriteFile(self.p, self.tl_name, self.is_open_filter, self.filter_length)
+                    ExtractWriteFile(self.p, self.tl_name, self.is_open_filter, self.filter_length,self.is_gen_empty)
                 if self.dir is not None:
                     log_print(self.dir + ' begin extract!')
                     paths = os.walk(self.dir, topdown=False)
@@ -48,7 +49,7 @@ def run(self):
                             i = os.path.join(path, file_name)
                             if not file_name.endswith("rpy"):
                                 continue
-                            ExtractWriteFile(i, self.tl_name, self.is_open_filter, self.filter_length)
+                            ExtractWriteFile(i, self.tl_name, self.is_open_filter, self.filter_length,self.is_gen_empty)
 
         except Exception as e:
             msg = traceback.format_exc()
@@ -338,7 +339,7 @@ def GetExtractedSet(p):
     return e
 
 
-def WriteExtracted(p, extractedSet,is_open_filter, filter_length):
+def WriteExtracted(p, extractedSet,is_open_filter, filter_length,is_gen_empty):
     if (p[len(p) - 1] != '/' and p[len(p) - 1] != '\\'):
         p = p + '/'
     index = p.rfind('tl\\')
@@ -378,7 +379,10 @@ def WriteExtracted(p, extractedSet,is_open_filter, filter_length):
                 head = head + 'new ' + timestamp + '\n\n'
                 f.write(head)
                 for j in eDiff:
-                    writeData = '    old ' + j + '\n    new ' + j + '\n'
+                    if not is_gen_empty:
+                        writeData = '    old ' + j + '\n    new ' + j + '\n'
+                    else:
+                        writeData = '    old ' + j + '\n    new ' + '""' + '\n'
                     f.write(writeData + '\n')
                 f.close()
             extractedSet = e | extractedSet
@@ -406,7 +410,7 @@ def GetHeaderPath(p):
         return dic
 
 
-def ExtractWriteFile(p, tl_name, is_open_filter, filter_length):
+def ExtractWriteFile(p, tl_name, is_open_filter, filter_length,is_gen_empty):
     dic = GetHeaderPath(p)
     header = dic['header']
     if (header == ''):
@@ -437,14 +441,17 @@ def ExtractWriteFile(p, tl_name, is_open_filter, filter_length):
         head = head + 'new ' + timestamp + '\n\n'
         f.write(head)
         for j in eDiff:
-            writeData = '    old ' + j + '\n    new ' + j + '\n'
+            if not is_gen_empty:
+                writeData = '    old ' + j + '\n    new ' + j + '\n'
+            else:
+                writeData = '    old ' + j + '\n    new ' + '""' + '\n'
             f.write(writeData + '\n')
         f.close()
     extractedSet = e | extractedSet
     log_print(target + ' extracted success!')
 
 
-def ExtractAllFilesInDir(dirName, is_open_filter, filter_length):
+def ExtractAllFilesInDir(dirName, is_open_filter, filter_length,is_gen_empty):
     CreateEmptyFileIfNotExsit(dirName)
     ret = GetExtractedSet(dirName)
-    WriteExtracted(dirName,ret,is_open_filter, filter_length)
+    WriteExtracted(dirName,ret,is_open_filter, filter_length,is_gen_empty)
diff --git a/src/ui.py b/src/ui.py
index 6ccc3b1..39d35e3 100644
--- a/src/ui.py
+++ b/src/ui.py
@@ -24,7 +24,7 @@ class Ui_MainWindow(object):
     def setupUi(self, MainWindow):
         if not MainWindow.objectName():
             MainWindow.setObjectName(u"MainWindow")
-        MainWindow.resize(1463, 909)
+        MainWindow.resize(1463, 953)
         self.actioncopyright = QAction(MainWindow)
         self.actioncopyright.setObjectName(u"actioncopyright")
         self.proxySettings = QAction(MainWindow)
@@ -35,7 +35,7 @@ def setupUi(self, MainWindow):
         self.centralwidget.setObjectName(u"centralwidget")
         self.log_text = QTextEdit(self.centralwidget)
         self.log_text.setObjectName(u"log_text")
-        self.log_text.setGeometry(QRect(630, 50, 821, 801))
+        self.log_text.setGeometry(QRect(630, 50, 821, 821))
         self.log_text.setReadOnly(True)
         self.clearLogBtn = QPushButton(self.centralwidget)
         self.clearLogBtn.setObjectName(u"clearLogBtn")
@@ -92,7 +92,7 @@ def setupUi(self, MainWindow):
         self.backupCheckBox.setGeometry(QRect(20, 280, 231, 24))
         self.widget_2 = QWidget(self.centralwidget)
         self.widget_2.setObjectName(u"widget_2")
-        self.widget_2.setGeometry(QRect(10, 320, 601, 311))
+        self.widget_2.setGeometry(QRect(10, 320, 601, 341))
         self.selectFilesText_2 = QTextEdit(self.widget_2)
         self.selectFilesText_2.setObjectName(u"selectFilesText_2")
         self.selectFilesText_2.setGeometry(QRect(100, 40, 411, 41))
@@ -118,7 +118,7 @@ def setupUi(self, MainWindow):
         self.selectDirText_2.setGeometry(QRect(100, 160, 411, 41))
         self.extractBtn = QPushButton(self.widget_2)
         self.extractBtn.setObjectName(u"extractBtn")
-        self.extractBtn.setGeometry(QRect(270, 280, 75, 24))
+        self.extractBtn.setGeometry(QRect(270, 310, 75, 24))
         self.label_8 = QLabel(self.widget_2)
         self.label_8.setObjectName(u"label_8")
         self.label_8.setGeometry(QRect(20, 235, 61, 31))
@@ -137,22 +137,25 @@ def setupUi(self, MainWindow):
         self.selectDirsBtn.setGeometry(QRect(510, 100, 81, 41))
         self.filterCheckBox = QCheckBox(self.widget_2)
         self.filterCheckBox.setObjectName(u"filterCheckBox")
-        self.filterCheckBox.setGeometry(QRect(20, 280, 161, 20))
+        self.filterCheckBox.setGeometry(QRect(20, 280, 91, 20))
         self.label_14 = QLabel(self.widget_2)
         self.label_14.setObjectName(u"label_14")
-        self.label_14.setGeometry(QRect(380, 282, 131, 16))
+        self.label_14.setGeometry(QRect(120, 282, 131, 16))
         self.filterLengthLineEdit = QLineEdit(self.widget_2)
         self.filterLengthLineEdit.setObjectName(u"filterLengthLineEdit")
-        self.filterLengthLineEdit.setGeometry(QRect(510, 280, 61, 20))
+        self.filterLengthLineEdit.setGeometry(QRect(250, 280, 61, 20))
+        self.emptyCheckBox = QCheckBox(self.widget_2)
+        self.emptyCheckBox.setObjectName(u"emptyCheckBox")
+        self.emptyCheckBox.setGeometry(QRect(330, 280, 271, 20))
         self.versionLabel = QLabel(self.centralwidget)
         self.versionLabel.setObjectName(u"versionLabel")
-        self.versionLabel.setGeometry(QRect(10, 860, 91, 16))
+        self.versionLabel.setGeometry(QRect(10, 880, 91, 16))
         self.copyrightLabel = QLabel(self.centralwidget)
         self.copyrightLabel.setObjectName(u"copyrightLabel")
-        self.copyrightLabel.setGeometry(QRect(1190, 860, 241, 16))
+        self.copyrightLabel.setGeometry(QRect(1190, 880, 241, 16))
         self.widget_3 = QWidget(self.centralwidget)
         self.widget_3.setObjectName(u"widget_3")
-        self.widget_3.setGeometry(QRect(10, 630, 601, 221))
+        self.widget_3.setGeometry(QRect(10, 660, 601, 221))
         self.label_11 = QLabel(self.widget_3)
         self.label_11.setObjectName(u"label_11")
         self.label_11.setGeometry(QRect(280, 0, 60, 20))
@@ -247,7 +250,8 @@ def retranslateUi(self, MainWindow):
         self.selectDirsBtn.setText(QCoreApplication.translate("MainWindow", u"...", None))
         self.filterCheckBox.setText(QCoreApplication.translate("MainWindow", u"Enable filter for extract", None))
         self.label_14.setText(QCoreApplication.translate("MainWindow", u"filter length less than", None))
-        self.versionLabel.setText(QCoreApplication.translate("MainWindow", u"Version 1.7.1", None))
+        self.emptyCheckBox.setText(QCoreApplication.translate("MainWindow", u"Generate empty strings instead of original", None))
+        self.versionLabel.setText(QCoreApplication.translate("MainWindow", u"Version 1.7.2", None))
         self.copyrightLabel.setText(QCoreApplication.translate("MainWindow", u"\u00a92024 Last moment,All rights reserved.", None))
         self.label_11.setText(QCoreApplication.translate("MainWindow", u"font", None))
         self.selectFontText.setPlaceholderText(QCoreApplication.translate("MainWindow", u"input or choose or drag the font which supports the language after translation. Example : DejaVuSans.ttf (ren'py 's default font)", None))
diff --git a/src/ui.ui b/src/ui.ui
index eec271b..a82bcea 100644
--- a/src/ui.ui
+++ b/src/ui.ui
@@ -7,7 +7,7 @@
     <x>0</x>
     <y>0</y>
     <width>1463</width>
-    <height>909</height>
+    <height>953</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -20,7 +20,7 @@
       <x>630</x>
       <y>50</y>
       <width>821</width>
-      <height>801</height>
+      <height>821</height>
      </rect>
     </property>
     <property name="readOnly">
@@ -246,7 +246,7 @@
       <x>10</x>
       <y>320</y>
       <width>601</width>
-      <height>311</height>
+      <height>341</height>
      </rect>
     </property>
     <widget class="QTextEdit" name="selectFilesText_2">
@@ -355,7 +355,7 @@
      <property name="geometry">
       <rect>
        <x>270</x>
-       <y>280</y>
+       <y>310</y>
        <width>75</width>
        <height>24</height>
       </rect>
@@ -440,7 +440,7 @@
       <rect>
        <x>20</x>
        <y>280</y>
-       <width>161</width>
+       <width>91</width>
        <height>20</height>
       </rect>
      </property>
@@ -451,7 +451,7 @@
     <widget class="QLabel" name="label_14">
      <property name="geometry">
       <rect>
-       <x>380</x>
+       <x>120</x>
        <y>282</y>
        <width>131</width>
        <height>16</height>
@@ -464,32 +464,45 @@
     <widget class="QLineEdit" name="filterLengthLineEdit">
      <property name="geometry">
       <rect>
-       <x>510</x>
+       <x>250</x>
        <y>280</y>
        <width>61</width>
        <height>20</height>
       </rect>
      </property>
     </widget>
+    <widget class="QCheckBox" name="emptyCheckBox">
+     <property name="geometry">
+      <rect>
+       <x>330</x>
+       <y>280</y>
+       <width>271</width>
+       <height>20</height>
+      </rect>
+     </property>
+     <property name="text">
+      <string>Generate empty strings instead of original</string>
+     </property>
+    </widget>
    </widget>
    <widget class="QLabel" name="versionLabel">
     <property name="geometry">
      <rect>
       <x>10</x>
-      <y>860</y>
+      <y>880</y>
       <width>91</width>
       <height>16</height>
      </rect>
     </property>
     <property name="text">
-     <string>Version 1.7.1</string>
+     <string>Version 1.7.2</string>
     </property>
    </widget>
    <widget class="QLabel" name="copyrightLabel">
     <property name="geometry">
      <rect>
       <x>1190</x>
-      <y>860</y>
+      <y>880</y>
       <width>241</width>
       <height>16</height>
      </rect>
@@ -502,7 +515,7 @@
     <property name="geometry">
      <rect>
       <x>10</x>
-      <y>630</y>
+      <y>660</y>
       <width>601</width>
       <height>221</height>
      </rect>