diff --git a/ui/designer/tabs/tabDb/tabDb_Manage.ui b/ui/designer/tabs/tabDb/tabDb_Manage.ui
index cbc2e06..d958a7c 100644
--- a/ui/designer/tabs/tabDb/tabDb_Manage.ui
+++ b/ui/designer/tabs/tabDb/tabDb_Manage.ui
@@ -31,6 +31,20 @@
      </property>
     </widget>
    </item>
+   <item row="1" column="0">
+    <widget class="QPushButton" name="importSt3Button">
+     <property name="text">
+      <string>importSt3Button</string>
+     </property>
+    </widget>
+   </item>
+   <item row="1" column="1">
+    <widget class="QLabel" name="label_2">
+     <property name="text">
+      <string>importSt3.description</string>
+     </property>
+    </widget>
+   </item>
   </layout>
  </widget>
  <resources/>
diff --git a/ui/designer/tabs/tabDb/tabDb_Manage_ui.py b/ui/designer/tabs/tabDb/tabDb_Manage_ui.py
index 03027cd..f8105f0 100644
--- a/ui/designer/tabs/tabDb/tabDb_Manage_ui.py
+++ b/ui/designer/tabs/tabDb/tabDb_Manage_ui.py
@@ -3,7 +3,7 @@
 ################################################################################
 ## Form generated from reading UI file 'tabDb_Manage.ui'
 ##
-## Created by: Qt User Interface Compiler version 6.5.0
+## Created by: Qt User Interface Compiler version 6.5.1
 ##
 ## WARNING! All changes made in this file will be lost when recompiling UI file!
 ################################################################################
@@ -37,6 +37,16 @@ class Ui_TabDb_Manage(object):
 
         self.formLayout.setWidget(0, QFormLayout.FieldRole, self.label)
 
+        self.importSt3Button = QPushButton(TabDb_Manage)
+        self.importSt3Button.setObjectName(u"importSt3Button")
+
+        self.formLayout.setWidget(1, QFormLayout.LabelRole, self.importSt3Button)
+
+        self.label_2 = QLabel(TabDb_Manage)
+        self.label_2.setObjectName(u"label_2")
+
+        self.formLayout.setWidget(1, QFormLayout.FieldRole, self.label_2)
+
 
         self.retranslateUi(TabDb_Manage)
 
@@ -46,6 +56,8 @@ class Ui_TabDb_Manage(object):
     def retranslateUi(self, TabDb_Manage):
         self.syncArcSongDbButton.setText(QCoreApplication.translate("TabDb_Manage", u"syncArcSongDbButton", None))
         self.label.setText(QCoreApplication.translate("TabDb_Manage", u"syncArcSongDb.description", None))
+        self.importSt3Button.setText(QCoreApplication.translate("TabDb_Manage", u"importSt3Button", None))
+        self.label_2.setText(QCoreApplication.translate("TabDb_Manage", u"importSt3.description", None))
         pass
     # retranslateUi
 
diff --git a/ui/implements/tabs/tabDb/tabDb_Manage.py b/ui/implements/tabs/tabDb/tabDb_Manage.py
index 0bc14eb..2043828 100644
--- a/ui/implements/tabs/tabDb/tabDb_Manage.py
+++ b/ui/implements/tabs/tabDb/tabDb_Manage.py
@@ -2,6 +2,7 @@ import logging
 import traceback
 
 from arcaea_offline.database import Database
+from arcaea_offline.external import St3ScoreSource
 from PySide6.QtCore import Slot
 from PySide6.QtWidgets import QFileDialog, QMessageBox, QWidget
 
@@ -20,6 +21,10 @@ class TabDb_Manage(Ui_TabDb_Manage, QWidget):
         dbFile, filter = QFileDialog.getOpenFileName(
             self, None, "", "DB File (*.db);;*"
         )
+
+        if not dbFile:
+            return
+
         try:
             Database().update_arcsong_db(dbFile)
             QMessageBox.information(self, "OK", "OK")
@@ -28,3 +33,23 @@ class TabDb_Manage(Ui_TabDb_Manage, QWidget):
             QMessageBox.critical(
                 self, "Sync Error", "\n".join(traceback.format_exception(e))
             )
+
+    @Slot()
+    def on_importSt3Button_clicked(self):
+        dbFile, filter = QFileDialog.getOpenFileName(self, "Select st3 file")
+
+        if not dbFile:
+            return
+
+        try:
+            scores = St3ScoreSource(dbFile).get_score_items()
+            logger.info(
+                f"Got {len(scores)} items from {dbFile}, writing into database..."
+            )
+            Database().import_external(scores)
+            QMessageBox.information(self, "OK", "OK")
+        except Exception as e:
+            logging.exception("import st3 error")
+            QMessageBox.critical(
+                self, "Import Error", "\n".join(traceback.format_exception(e))
+            )