diff --git a/src/main/java/com/fanruan/api/design/ui/component/UIComboBox.java b/src/main/java/com/fanruan/api/design/ui/component/UIComboBox.java
new file mode 100644
index 0000000..1a53d68
--- /dev/null
+++ b/src/main/java/com/fanruan/api/design/ui/component/UIComboBox.java
@@ -0,0 +1,43 @@
+package com.fanruan.api.design.ui.component;
+
+import javax.swing.*;
+import java.util.List;
+import java.util.Vector;
+
+/**
+ * @author richie
+ * @version 10.0
+ * Created by richie on 2019-08-28
+ * 下拉框
+ */
+public class UIComboBox<T> extends com.fr.design.gui.icombobox.UIComboBox {
+
+    public UIComboBox() {
+        super();
+    }
+
+    public UIComboBox(ComboBoxModel<T> model) {
+        super(model);
+    }
+
+    public UIComboBox(T[] items) {
+        super(items);
+    }
+
+    public UIComboBox(Vector<T> items) {
+        super(items);
+    }
+
+    /**
+     * 重新设置下拉选项
+     * @param list 下拉选项的集合
+     */
+    public void refreshSelectableItems(List<T> list) {
+        T el = (T) getSelectedItem();
+        removeAllItems();
+        for (T t : list) {
+            addItem(t);
+        }
+        getModel().setSelectedItem(el);
+    }
+}