diff --git a/src/main/java/com/dsideal/QingLong/Util/PoiUtil.java b/src/main/java/com/dsideal/QingLong/Util/PoiUtil.java
index 96503651..50335fa7 100644
--- a/src/main/java/com/dsideal/QingLong/Util/PoiUtil.java
+++ b/src/main/java/com/dsideal/QingLong/Util/PoiUtil.java
@@ -51,7 +51,7 @@ public class PoiUtil {
     }
 
     /**
-     * 功能：给指定单元格加边框
+     * 功能：给指定单元格加边框,同时给定新颜色
      *
      * @param wb
      * @param cell
@@ -78,6 +78,12 @@ public class PoiUtil {
         cell.setCellStyle(style);
     }
 
+    /**
+     * 功能：只改变单元格的颜色，其它的样式继承原来的样式
+     *
+     * @param cell
+     * @param colorIdx
+     */
     public static void changeColor(Cell cell, short colorIdx) {
         // 创建单元格样式
         CellStyle style = cell.getCellStyle();