diff --git a/工具v3/database_tools_2.py b/工具v3/database_tools_2.py
index 64b7d74c..80a25f92 100644
--- a/工具v3/database_tools_2.py
+++ b/工具v3/database_tools_2.py
@@ -963,6 +963,32 @@ def generate_origin(origin_dict):
         data = f"{data}-改编自{origin_dict['前序']}"
     return data
 
+
+def MatchConditioninMariaDB(condition_list):
+    corr_dict = {
+        "content": ('problems','content'),
+        "objs": ('objcorresp','obj_ID'),
+        "tags": ('tagcorresp','tagname'),
+        "origin": ('problems','origin'),
+        "genre": ('problems','genre'),
+        "ans": ('problems','ans'),
+        "solution": ('problems','solution'),
+        "remark": ('remarks','remark_content')
+    }
+    mydb = connect(hostname = "wwylss.synology.me", port = "13306", username="root", pwd="Wwy@0018705", db = "tikutest")
+    mycursor = mydb.cursor()
+    mycursor.execute("SELECT ID FROM problems WHERE NOT content REGEXP 'OBS';")
+    match = set([u[0] for u in mycursor.fetchall()])
+    for field,reverse,regexp in condition_list:
+        if not field in ["same","related","usages"]:
+            table,column = corr_dict[field]
+            sql = f"SELECT ID FROM {table} WHERE {'NOT' if reverse else ''} {column} REGEXP '{regexp};"
+            mycursor.execute(sql)
+            newmatch = set([u[0] for u in mycursor.fetchall()])
+            match = match & newmatch
+    mydb.close()
+    return match
+
 def MatchCondition2024(problem,condition_list): #判断problem这一字典是否符合condition_list中的所有筛选条件
     match = True #初始设定符合条件
     for field, flag_not, matchexp in condition_list:
diff --git a/工具v3/关键字筛选题号.py b/工具v3/关键字筛选题号.py
index 7d79f11e..37992c48 100644
--- a/工具v3/关键字筛选题号.py
+++ b/工具v3/关键字筛选题号.py
@@ -8,8 +8,10 @@ class MyWindow(QWidget,Ui_Form):
         super().__init__()
         self.setupUi(self)
         self.conditions = []
-        self.pro_dict = load_dict("../题库0.3/Problems.json")
-        self.lcdNumber_resCount.display(len(self.pro_dict))
+        mydb = connect(hostname = "wwylss.synology.me", port = "13306", username="root", pwd="Wwy@0018705", db = "tikutest")
+        mycursor = mydb.cursor()
+        mycursor.execute("SELECT count(*) FROM problems WHERE NOT content REGEXP 'OBS';")
+        self.lcdNumber_resCount.display(mycursor.fetchall()[0][0])
         self.bind()
 
     def bind(self):
@@ -47,23 +49,16 @@ class MyWindow(QWidget,Ui_Form):
             text += f"字段 {field} 中{'没有' if flag_not else '有 '}{' 或 '.join([t.strip() for t in matchexp.split(',')])}\n"
         self.label_conditions.setText(text)
     def exec(self):
-        self.matchlist = []
-        self.conditions.append(("content",True,"OBSOLETE"))
-        for id in self.pro_dict:
-            if MatchCondition2024(self.pro_dict[id],self.conditions):
-                self.matchlist.append(id)
-        self.conditions = self.conditions[:-1].copy()
+        self.matchlist = MatchConditioninMariaDB(self.conditions)
         self.lcdNumber_resCount.display(len(self.matchlist))
         
     def build(self):
-        exp = generate_exp(self.matchlist)
+        idlist = sorted(list(self.matchlist))
+        exp = generate_exp(idlist)
         try:
             AppendTextFile(f"\n{time.ctime()}\n{exp}\n","临时文件/题号筛选.txt")
         except:
             SaveTextFile(f"{time.ctime()}\n{exp}\n","临时文件/题号筛选.txt")
-        prodictpath = "../题库0.3/Problems.json"
-        objdictpath = "../题库0.3/LessonObj.json"
-        raw_pro_dict = load_dict(prodictpath)
         configjson_detailed = {
             "pdf标题": "筛选题目编译",
             "教师版": True, 
@@ -102,9 +97,6 @@ class MyWindow(QWidget,Ui_Form):
         else:
             configjson = configjson_simple
 
-        # grades = configjson["字段显示设置"]["届别"]
-        # pro_dict = select_grade_from_pro_dict(raw_pro_dict,grades)
-        # obj_dict = load_dict(objdictpath)
 
         notetitle = configjson["pdf标题"]
         outputdir = "临时文件" #输出文件的目录
@@ -123,7 +115,7 @@ class MyWindow(QWidget,Ui_Form):
         mycursor = mydb.cursor()
         bodystring = "\\begin{enumerate}\n\n"
         for id in generate_number_set(exp):
-            bodystring += generateLaTeXBodyContentfromMariaDB(mycursor,id,configjson):
+            bodystring += generateLaTeXBodyContentfromMariaDB(mycursor,id,configjson)
         bodystring += "\\end{enumerate}\n\n"
         
         midtime = time.time()
diff --git a/工具v3/关键字筛选题号old.py b/工具v3/关键字筛选题号old.py
deleted file mode 100644
index 380656e5..00000000
--- a/工具v3/关键字筛选题号old.py
+++ /dev/null
@@ -1,35 +0,0 @@
-keywords_dict = { 
-        "id":[""], #题号
-        "content":[""], #题面内容
-        "objs":[""], #目标代码
-        "tags":[""], #标签, 如["第二单元"]等
-        "genre":[""], #题目类型, 填空题, 选择题, 解答题
-        "ans":[r""], #答案
-        "solution":[""], #解答与提示
-        "duration":[""], #解题时间(目前未设置)
-        "usages":[""], #使用记录, 数据库中格式为 <日期>\t<届别><班别>\t正确率[\t正确率]... 例如"20230301\t2023届01班\t0.985\t0.211
-        "origin":[""], #题目来源
-        "edit":[""], #导入者及编辑者
-        "same":[""], #相同题目题号
-        "related":[""], #关联题目题号
-        "remark":[""], #备注, 注记
-        "space":[""], #解答题下的空间(em)表示一个m的宽度
-        "unrelated":[""], #无关题目题号
-        # "content2":["双曲线"], #在字段名中加入数字表示这个字段的另一个必要条件
-}
-#同一字段名中的条件为"或"的关系, 不同字段名(可加数字表示同一字段)中的条件为"且"的关系
-outputfilepath = "临时文件/题号筛选.txt"
-
-from database_tools import *
-
-prodictpath = "../题库0.3/Problems.json"
-pro_dict = load_dict(prodictpath)
-
-
-keywords_dict["content9_not"] = ["OBSOLETE"]
-print(keywords_dict)
-matchlist = [id for id in pro_dict if MatchCondition(pro_dict[id],keywords_dict)]
-matchstring = generate_exp(matchlist)
-
-SaveTextFile(matchstring,outputfilepath)
-os.system("code -g %s:1"%outputfilepath)
\ No newline at end of file
diff --git a/工具v3/题号筛选器.ui b/工具v3/题号筛选器.ui
new file mode 100644
index 00000000..a50c10c3
--- /dev/null
+++ b/工具v3/题号筛选器.ui
@@ -0,0 +1,340 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>Form</class>
+ <widget class="QWidget" name="Form">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>533</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>题号筛选器</string>
+  </property>
+  <property name="windowOpacity">
+   <double>1.000000000000000</double>
+  </property>
+  <widget class="QPushButton" name="pushButton_content">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>20</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>内容</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_obj">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>50</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>目标编号</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_tag">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>80</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>标签</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_usage">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>110</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>使用记录</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_origin">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>140</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>出处</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_genre">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>170</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>题目类型</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_ans">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>200</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>答案</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_solution">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>230</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>解答与提示</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_same">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>260</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>相同题号</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_related">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>290</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>相关题号</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_remark">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>320</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>备注</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_exec">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>460</y>
+     <width>75</width>
+     <height>48</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <bold>true</bold>
+    </font>
+   </property>
+   <property name="text">
+    <string>运行</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_undo">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>370</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>撤销上一个</string>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_clearAll">
+   <property name="geometry">
+    <rect>
+     <x>20</x>
+     <y>400</y>
+     <width>75</width>
+     <height>24</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>清除</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_conditions">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>100</y>
+     <width>261</width>
+     <height>331</height>
+    </rect>
+   </property>
+   <property name="frameShape">
+    <enum>QFrame::StyledPanel</enum>
+   </property>
+   <property name="text">
+    <string/>
+   </property>
+   <property name="alignment">
+    <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+   </property>
+   <property name="wordWrap">
+    <bool>false</bool>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>80</y>
+     <width>71</width>
+     <height>16</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>当前条件:</string>
+   </property>
+  </widget>
+  <widget class="QCheckBox" name="checkBox_not">
+   <property name="geometry">
+    <rect>
+     <x>280</x>
+     <y>20</y>
+     <width>111</width>
+     <height>20</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>选中表示不包含</string>
+   </property>
+  </widget>
+  <widget class="QLineEdit" name="lineEdit_SingleCondition">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>50</y>
+     <width>261</width>
+     <height>20</height>
+    </rect>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_2">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>20</y>
+     <width>151</width>
+     <height>16</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>输入条件, 用&quot;,&quot;分隔表示&quot;或&quot;</string>
+   </property>
+  </widget>
+  <widget class="QLabel" name="label_3">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>440</y>
+     <width>91</width>
+     <height>16</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>筛选结果数目:</string>
+   </property>
+  </widget>
+  <widget class="QLCDNumber" name="lcdNumber_resCount">
+   <property name="geometry">
+    <rect>
+     <x>120</x>
+     <y>460</y>
+     <width>161</width>
+     <height>51</height>
+    </rect>
+   </property>
+   <property name="digitCount">
+    <number>6</number>
+   </property>
+   <property name="value" stdset="0">
+    <double>0.000000000000000</double>
+   </property>
+  </widget>
+  <widget class="QPushButton" name="pushButton_savebuild">
+   <property name="geometry">
+    <rect>
+     <x>300</x>
+     <y>460</y>
+     <width>81</width>
+     <height>51</height>
+    </rect>
+   </property>
+   <property name="font">
+    <font>
+     <bold>true</bold>
+    </font>
+   </property>
+   <property name="text">
+    <string>保存和编译</string>
+   </property>
+  </widget>
+  <widget class="QCheckBox" name="checkBox_Detailed">
+   <property name="geometry">
+    <rect>
+     <x>310</x>
+     <y>440</y>
+     <width>79</width>
+     <height>20</height>
+    </rect>
+   </property>
+   <property name="text">
+    <string>详细信息</string>
+   </property>
+  </widget>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>