diff --git a/scripts/MetaFusion.py b/scripts/MetaFusion.py
index f910b11..ad5d6a2 100644
--- a/scripts/MetaFusion.py
+++ b/scripts/MetaFusion.py
@@ -19,8 +19,8 @@ class MetaFusion(QtWidgets.QMainWindow):
         # === 设置窗口属性 ===
         self.setWindowTitle(f"{config.TOOL_NAME} {config.TOOL_VERSION}")
         # 设置初始大小和最小大小
-        self.resize(550, 700)  # 初始大小
-        self.setMinimumSize(550, 700)  # 最小大小限制
+        self.resize(550, 750)  # 初始大小
+        self.setMinimumSize(550, 750)  # 最小大小限制
 
         # === 创建中心部件 ===
         self.central_widget = QtWidgets.QWidget()
diff --git a/scripts/ui/meshes.py b/scripts/ui/meshes.py
index 597c322..169a5c0 100644
--- a/scripts/ui/meshes.py
+++ b/scripts/ui/meshes.py
@@ -193,50 +193,81 @@ class MeshesTab(QtWidgets.QWidget):
         buttons = QtWidgets.QWidget()
         button_layout = QtWidgets.QHBoxLayout(buttons)
         button_layout.setContentsMargins(0, 8, 0, 8)
-        button_layout.setSpacing(8)  # 统一按钮间距为8
         
         # 创建功能按钮
         load_btn = self._create_tool_button("自动加载模型", "load_meshes.png", "fileOpen.png")
         standardize_btn = self._create_tool_button("标准化命名", "standardized_naming.png", "setEdNormalize.png")
-        group_btn = self._create_tool_button("自动分组", "auto_group.png", "menuIconEdit.png")
+        group_btn = self._create_tool_button("自动分组", "automatic_groupingg.png", "menuIconEdit.png")
         delete_btn = self._create_tool_button("清理", "delete.png", "delete.png")
         
-        # 设置按钮固定宽度
-        button_width = (widget.width() - 32) // 4  # 32是左右边距和3个按钮间距(8*3)的总和
+        # 创建按钮容器
+        button_container = QtWidgets.QWidget()
+        container_layout = QtWidgets.QHBoxLayout(button_container)
+        container_layout.setContentsMargins(0, 0, 0, 0)
+        container_layout.setSpacing(4)  # 减小按钮间距为4
+        
+        # 添加按钮到容器，使用弹性空间使按钮居中
+        container_layout.addStretch(1)
         for btn in [load_btn, standardize_btn, group_btn, delete_btn]:
-            btn.setFixedWidth(button_width)
-            button_layout.addWidget(btn)
+            container_layout.addWidget(btn)
+            if btn != delete_btn:  # 最后一个按钮后不添加间距
+                container_layout.addSpacing(4)  # 添加固定间距
+        container_layout.addStretch(1)
+        
+        button_layout.addWidget(button_container)
         
         # === 添加到主布局 ===
         layout.addWidget(scroll)
         layout.addWidget(buttons)
         
+        # 添加窗口大小变化事件处理
+        def on_resize(event):
+            width = event.size().width()
+            available_width = width - 28  # 28是左右边距(16)和按钮间距(4*3)的总和
+            button_width = (available_width) // 4
+            for btn in [load_btn, standardize_btn, group_btn, delete_btn]:
+                btn.setFixedWidth(button_width)
+            super(type(widget), widget).resizeEvent(event)
+        
+        widget.resizeEvent = on_resize
+        
         return widget
         
     def _create_mesh_item(self, mesh_name):
         """创建网格项"""
         item = QtWidgets.QWidget()
         layout = QtWidgets.QHBoxLayout(item)
-        layout.setContentsMargins(4, 2, 4, 2)  # 减小上下边距
-        layout.setSpacing(8)
+        layout.setContentsMargins(4, 1, 4, 1)  # 减小上下边距
+        layout.setSpacing(4)  # 减小间距
+        
+        # 左侧容器（标签和输入框）
+        left_container = QtWidgets.QWidget()
+        left_layout = QtWidgets.QHBoxLayout(left_container)
+        left_layout.setContentsMargins(0, 0, 0, 0)
+        left_layout.setSpacing(4)  # 减小标签和输入框的间距
         
         # 网格名称标签
         name_label = QtWidgets.QLabel(mesh_name)
-        name_label.setMinimumWidth(100)
+        name_label.setFixedWidth(70)  # 减小标签宽度
+        name_label.setAlignment(QtCore.Qt.AlignLeft | QtCore.Qt.AlignVCenter)  # 左对齐
         
         # 网格路径输入框 - 可编辑
         path_edit = QtWidgets.QLineEdit()
         path_edit.setPlaceholderText("输入或选择模型路径...")
+        path_edit.setSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Fixed)
         
-        # 添加按钮
+        left_layout.addWidget(name_label)
+        left_layout.addWidget(path_edit)
+        
+        # 添加按钮（右对齐）
         add_btn = QtWidgets.QPushButton()
         add_btn.setIcon(QtGui.QIcon(":fileOpen.png"))
         add_btn.setToolTip("浏览...")
-        add_btn.setFixedSize(24, 24)  # 减小按钮大小
+        add_btn.setFixedSize(22, 22)
         
-        layout.addWidget(name_label)
-        layout.addWidget(path_edit)
-        layout.addWidget(add_btn)
+        # 添加到主布局
+        layout.addWidget(left_container, stretch=1)  # 左侧容器占据所有可用空间
+        layout.addWidget(add_btn)  # 按钮右对齐
         
         # 设置样式
         item.setStyleSheet("""
@@ -251,8 +282,9 @@ class MeshesTab(QtWidgets.QWidget):
                 background: #3D3D3D;
                 border: 1px solid #555555;
                 border-radius: 2px;
-                padding: 4px 8px;
+                padding: 2px 4px;
                 color: #CCCCCC;
+                min-height: 22px;
             }
             QLineEdit:hover {
                 border: 1px solid #666666;
@@ -265,6 +297,7 @@ class MeshesTab(QtWidgets.QWidget):
                 background: #3D3D3D;
                 border: 1px solid #555555;
                 border-radius: 2px;
+                padding: 2px;
             }
             QPushButton:hover {
                 background: #454545;
@@ -274,6 +307,9 @@ class MeshesTab(QtWidgets.QWidget):
             }
         """)
         
+        # 设置大小策略
+        item.setSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Fixed)
+        
         return item
         
     def _create_tool_button(self, text, icon_name, fallback_icon=None):