diff --git a/LeftBean.java b/LeftBean.java
new file mode 100644
index 0000000..983c876
--- /dev/null
+++ b/LeftBean.java
@@ -0,0 +1,38 @@
+package com.example.drink_order_system;
+
+public class LeftBean {
+    //记录右边列表置顶项所在的item的位置
+    private int rightPosition;
+    private String title;
+    //设置是否选中，改变背景色
+    private boolean isSelect;
+
+    public LeftBean(int rightPosition, String title) {
+        this.rightPosition = rightPosition;
+        this.title = title;
+    }
+
+    public boolean isSelect() {
+        return isSelect;
+    }
+
+    public void setSelect(boolean select) {
+        isSelect = select;
+    }
+
+    public int getRightPosition() {
+        return rightPosition;
+    }
+
+    public void setRightPosition(int rightPosition) {
+        this.rightPosition = rightPosition;
+    }
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+}
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