diff --git a/工具v4/Ui_tool_panel.py b/工具v4/Ui_tool_panel.py
index 7a495d49..11209d67 100644
--- a/工具v4/Ui_tool_panel.py
+++ b/工具v4/Ui_tool_panel.py
@@ -117,6 +117,9 @@ class Ui_MainWindow(object):
         self.tab_fnsc = QWidget()
         self.tab_fnsc.setObjectName(u"tab_fnsc")
         self.tabWidget_beikezu.addTab(self.tab_fnsc, "")
+        self.tab_pxnd = QWidget()
+        self.tab_pxnd.setObjectName(u"tab_pxnd")
+        self.tabWidget_beikezu.addTab(self.tab_pxnd, "")
         self.tabWidget_main.addTab(self.tab_beikezu, "")
         self.tab_latex = QWidget()
         self.tab_latex.setObjectName(u"tab_latex")
@@ -212,7 +215,7 @@ class Ui_MainWindow(object):
         self.tabWidget_luru.setCurrentIndex(0)
         self.tabWidget_weihu.setCurrentIndex(0)
         self.tabWidget_shiyong.setCurrentIndex(5)
-        self.tabWidget_beikezu.setCurrentIndex(3)
+        self.tabWidget_beikezu.setCurrentIndex(4)
         self.tabWidget_latex.setCurrentIndex(0)
         self.tabWidget_mubiaojichu.setCurrentIndex(0)
         self.tabWidget_syjl.setCurrentIndex(0)
@@ -240,9 +243,10 @@ class Ui_MainWindow(object):
         self.tabWidget_shiyong.setTabText(self.tabWidget_shiyong.indexOf(self.tab_sjlb), QCoreApplication.translate("MainWindow", u"\u8bd5\u5377\u5217\u8868", None))
         self.tabWidget_main.setTabText(self.tabWidget_main.indexOf(self.tab_shiyong), QCoreApplication.translate("MainWindow", u"\u4f7f\u7528", None))
         self.tabWidget_beikezu.setTabText(self.tabWidget_beikezu.indexOf(self.tab_jglr), QCoreApplication.translate("MainWindow", u"\u8bb2\u4e49\u7ed3\u6784\u7f16\u53f7\u5f55\u5165", None))
-        self.tabWidget_beikezu.setTabText(self.tabWidget_beikezu.indexOf(self.tab_dtlr), QCoreApplication.translate("MainWindow", u"\u7b54\u9898\u7eb8\u5bf9\u5e94\u4fe1\u606f\u5f55\u5165", None))
+        self.tabWidget_beikezu.setTabText(self.tabWidget_beikezu.indexOf(self.tab_dtlr), QCoreApplication.translate("MainWindow", u"\u7b54\u9898\u7eb8\u5bf9\u5e94\u5f55\u5165", None))
         self.tabWidget_beikezu.setTabText(self.tabWidget_beikezu.indexOf(self.tab_jysc), QCoreApplication.translate("MainWindow", u"\u7cfb\u5217\u8bb2\u4e49\u751f\u6210", None))
         self.tabWidget_beikezu.setTabText(self.tabWidget_beikezu.indexOf(self.tab_fnsc), QCoreApplication.translate("MainWindow", u"\u8d4b\u80fd\u5377\u751f\u6210", None))
+        self.tabWidget_beikezu.setTabText(self.tabWidget_beikezu.indexOf(self.tab_pxnd), QCoreApplication.translate("MainWindow", u"\u96be\u5ea6\u6392\u5e8f", None))
         self.tabWidget_main.setTabText(self.tabWidget_main.indexOf(self.tab_beikezu), QCoreApplication.translate("MainWindow", u"\u5907\u8bfe\u7ec4", None))
         self.tabWidget_latex.setTabText(self.tabWidget_latex.indexOf(self.tab_wbzh), QCoreApplication.translate("MainWindow", u"\u6587\u672c\u8f6c\u6362\u5904\u7406", None))
         self.tabWidget_latex.setTabText(self.tabWidget_latex.indexOf(self.tab_hist), QCoreApplication.translate("MainWindow", u"\u76f4\u65b9\u56fe\u4ee3\u7801\u751f\u6210", None))
diff --git a/工具v4/tool_panel.py b/工具v4/tool_panel.py
index 4b638292..0ed94460 100644
--- a/工具v4/tool_panel.py
+++ b/工具v4/tool_panel.py
@@ -31,6 +31,7 @@ from 删除课时目标关系 import MyWindow_scgx
 from 新增目标关系 import MyWindow_xzgx
 from 试卷列表 import MyWindow_sjlb
 from 赋能卷生成 import MyWindow_fnsc
+from 排序材料内难度 import MyWindow_pxnd
 from database_tools_2 import *
 
 class MyWindow(QMainWindow,Ui_MainWindow):
@@ -167,6 +168,10 @@ class MyWindow(QMainWindow,Ui_MainWindow):
         self.fnsc = MyWindow_fnsc(self.database)
         self.layout_fnsc.addWidget(self.fnsc) #以上三行为初始化"赋能卷生成"tab
 
+        self.layout_pxnd = QVBoxLayout(self.tab_pxnd)
+        self.pxnd = MyWindow_pxnd(self.database)
+        self.layout_pxnd.addWidget(self.pxnd) #以上三行为初始化"难度排序"tab
+
 
         for func in [
             self.kxth.setdbname,
@@ -189,7 +194,8 @@ class MyWindow(QMainWindow,Ui_MainWindow):
             self.scgx.setdbname,
             self.xzgx.setdbname,
             self.sjlb.setdbname,
-            self.fnsc.setdbname
+            self.fnsc.setdbname,
+            self.pxnd.setdbname
         ]: #在列表中的tab里传送数据库名的连接
             self.sendDBname.connect(func)
     def sendValue(self):
diff --git a/工具v4/tool_panel.ui b/工具v4/tool_panel.ui
index a3168122..f97166ad 100644
--- a/工具v4/tool_panel.ui
+++ b/工具v4/tool_panel.ui
@@ -192,7 +192,7 @@
        <enum>QTabWidget::Triangular</enum>
       </property>
       <property name="currentIndex">
-       <number>3</number>
+       <number>4</number>
       </property>
       <widget class="QWidget" name="tab_jglr">
        <attribute name="title">
@@ -201,7 +201,7 @@
       </widget>
       <widget class="QWidget" name="tab_dtlr">
        <attribute name="title">
-        <string>答题纸对应信息录入</string>
+        <string>答题纸对应录入</string>
        </attribute>
       </widget>
       <widget class="QWidget" name="tab_jysc">
@@ -214,6 +214,11 @@
         <string>赋能卷生成</string>
        </attribute>
       </widget>
+      <widget class="QWidget" name="tab_pxnd">
+       <attribute name="title">
+        <string>难度排序</string>
+       </attribute>
+      </widget>
      </widget>
     </widget>
     <widget class="QWidget" name="tab_latex">
diff --git a/工具v4/排序材料内难度.py b/工具v4/排序材料内难度.py
index e0ab081b..452d140e 100644
--- a/工具v4/排序材料内难度.py
+++ b/工具v4/排序材料内难度.py
@@ -16,8 +16,8 @@ class MyWindow_pxnd(QWidget,Ui_Form):
     def bind(self):
         self.pushButton_selectfilepath.clicked.connect(self.choosefile)
         self.pushButton_exec.clicked.connect(self.exec)
-        self.lineEdit_filepath.setText(r"C:\Users\weiye\Documents\wwy sync\26届\高一第二学期\学案\G20260216余弦定理(2).tex") # to remove
-        self.lineEdit_classregex.setText(r"2026届高一1\d班") # to remove
+        # self.lineEdit_filepath.setText(r"C:\Users\weiye\Documents\wwy sync\26届\高一第二学期\学案\G20260216余弦定理(2).tex") # to remove
+        # self.lineEdit_classregex.setText(r"2026届高一1\d班") # to remove
         
     
     def choosefile(self):