diff --git a/a1_swap_mod_packer/gui.py b/a1_swap_mod_packer/gui.py
index b99f250..3a1833d 100644
--- a/a1_swap_mod_packer/gui.py
+++ b/a1_swap_mod_packer/gui.py
@@ -340,7 +340,7 @@ class MainWindow(QMainWindow):
         """初始化主窗口：创建 UI、加载设置、连接信号。"""
         super().__init__()
         self.setWindowTitle(APP_TITLE)
-        self.resize(960, 720)
+        self.resize(960, 680)
         self.setAcceptDrops(True)
         self._updating_table = False       # 防重入标记：表格正在批量更新中
         self._loading_settings = True      # 防重入标记：正在从设置恢复 UI 状态
@@ -411,10 +411,10 @@ class MainWindow(QMainWindow):
         self.table.horizontalHeader().setSectionResizeMode(COPIES_COLUMN, QHeaderView.ResizeToContents)
         self.table.horizontalHeader().setSectionResizeMode(TIME_COLUMN, QHeaderView.ResizeToContents)
         self.table.horizontalHeader().setSectionResizeMode(FILAMENT_COLUMN, QHeaderView.ResizeToContents)
-        self.table.setColumnWidth(ORDER_COLUMN, 104)
-        self.table.verticalHeader().setDefaultSectionSize(38)
+        self.table.setColumnWidth(ORDER_COLUMN, 84)
+        self.table.verticalHeader().setDefaultSectionSize(30)
         self.table.verticalHeader().hide()
-        self.table.setMinimumHeight(180)
+        self.table.setMinimumHeight(140)
         self.table.setSelectionBehavior(QTableWidget.SelectRows)
         self.table.setAlternatingRowColors(True)
         self.table.setToolTip("将 .3mf 文件或文件夹拖放到此处。文件夹将添加所有顶层 .3mf 文件。")
@@ -432,7 +432,7 @@ class MainWindow(QMainWindow):
         preview_layout = QVBoxLayout(preview_group)
         self.thumbnail_label = QLabel("选择一个输入文件")
         self.thumbnail_label.setAlignment(Qt.AlignCenter)
-        self.thumbnail_label.setFixedSize(280, 220)
+        self.thumbnail_label.setFixedSize(260, 190)
         self.thumbnail_label.setStyleSheet(
             """
             QLabel {
@@ -896,18 +896,18 @@ class MainWindow(QMainWindow):
         """创建行排序控件（上移/下移按钮 + 行号标签）。"""
         widget = QWidget()
         layout = QHBoxLayout(widget)
-        layout.setContentsMargins(4, 0, 4, 0)
-        layout.setSpacing(4)
+        layout.setContentsMargins(2, 0, 2, 0)
+        layout.setSpacing(2)
 
         number_label = QLabel(str(row + 1))
         number_label.setAlignment(Qt.AlignCenter)
-        number_label.setMinimumWidth(24)
+        number_label.setMinimumWidth(18)
 
         up_button = QToolButton()
         up_button.setIcon(self.style().standardIcon(QStyle.StandardPixmap.SP_ArrowUp))
         up_button.setToolTip("上移")
         up_button.setAutoRaise(True)
-        up_button.setFixedSize(28, 28)
+        up_button.setFixedSize(22, 22)
         up_button.setEnabled(row > 0)
         up_button.clicked.connect(lambda _checked=False, current_row=row: self.move_row(current_row, -1))
 
@@ -934,7 +934,7 @@ class MainWindow(QMainWindow):
         """创建份数微调框控件，绑定值变更信号。"""
         spin = QSpinBox()
         spin.setRange(1, 9999)
-        spin.setFixedWidth(78)
+        spin.setFixedWidth(64)
         spin.setAlignment(Qt.AlignCenter)
         spin.setValue(max(1, int(copies)))
         spin.valueChanged.connect(lambda value, current_row=row: self.on_row_copies_changed(current_row, value))
@@ -1054,7 +1054,7 @@ class MainWindow(QMainWindow):
             self.table.setCellWidget(row, COPIES_COLUMN, self.create_copies_spin(row, copies))
             self.table.setItem(row, TIME_COLUMN, time_item)
             self.table.setItem(row, FILAMENT_COLUMN, filament_item)
-            self.table.setRowHeight(row, 38)
+            self.table.setRowHeight(row, 30)
             self.update_row_stats(row)
         finally:
             self._updating_table = False