diff --git a/core-parent/poi/src/main/java/icu/easyj/poi/excel/annotation/Excel.java b/core-parent/poi/src/main/java/icu/easyj/poi/excel/annotation/Excel.java
index 59ce0443..86e84903 100644
--- a/core-parent/poi/src/main/java/icu/easyj/poi/excel/annotation/Excel.java
+++ b/core-parent/poi/src/main/java/icu/easyj/poi/excel/annotation/Excel.java
@@ -77,6 +77,8 @@
 
 	/**
 	 * 相同单元格合并定义
+	 *
+	 * @since 0.7.8
 	 */
 	String[] mergeSameCells() default {};
 
diff --git a/core-parent/poi/src/main/java/icu/easyj/poi/excel/model/ExcelMapping.java b/core-parent/poi/src/main/java/icu/easyj/poi/excel/model/ExcelMapping.java
index 9a7955f0..60c22258 100644
--- a/core-parent/poi/src/main/java/icu/easyj/poi/excel/model/ExcelMapping.java
+++ b/core-parent/poi/src/main/java/icu/easyj/poi/excel/model/ExcelMapping.java
@@ -69,6 +69,8 @@ public class ExcelMapping implements Serializable {
 	/**
 	 * 相同单元格合并
 	 * 要注意多组合并的字段名不能相同
+	 *
+	 * @since 0.7.8
 	 */
 	private String[] mergeSameCells;
 
@@ -214,10 +216,16 @@ public void setCellMappingList(List<ExcelCellMapping> cellMappingList) {
 		this.cellMappingList = cellMappingList;
 	}
 
+	/**
+	 * @since 0.7.8
+	 */
 	public String[] getMergeSameCells() {
 		return mergeSameCells;
 	}
 
+	/**
+	 * @since 0.7.8
+	 */
 	public void setMergeSameCells(String[] mergeSameCells) {
 		this.mergeSameCells = mergeSameCells;
 	}
@@ -247,6 +255,9 @@ public List<IListToExcelHook> getToExcelHookList() {
 
 	//endregion
 
+	/**
+	 * @since 0.7.8
+	 */
 	public ExcelCellMapping getCellMappingByFieldName(String fieldName) {
 		for (ExcelCellMapping cellMapping : cellMappingList) {
 			if (cellMapping.getColumn() != null && cellMapping.getColumn().equals(fieldName)) {
diff --git a/core-parent/poi/src/main/java/icu/easyj/poi/excel/util/ExcelRowUtils.java b/core-parent/poi/src/main/java/icu/easyj/poi/excel/util/ExcelRowUtils.java
index 96d7b29a..4673d0c0 100644
--- a/core-parent/poi/src/main/java/icu/easyj/poi/excel/util/ExcelRowUtils.java
+++ b/core-parent/poi/src/main/java/icu/easyj/poi/excel/util/ExcelRowUtils.java
@@ -323,6 +323,9 @@ public static void createDataRows(Sheet sheet, List<?> dataList, ExcelMapping ma
 		}
 	}
 
+	/**
+	 * @since 0.7.8
+	 */
 	public static void mergeSameCells(Sheet sheet, ExcelMapping mapping) {
 		if (ArrayUtils.isEmpty(mapping.getMergeSameCells())) {
 			return; // 未定义需要合并的单元格
diff --git a/core-parent/poi/src/main/java/icu/easyj/poi/excel/util/ExcelUtils.java b/core-parent/poi/src/main/java/icu/easyj/poi/excel/util/ExcelUtils.java
index 27c545b1..34bb781b 100644
--- a/core-parent/poi/src/main/java/icu/easyj/poi/excel/util/ExcelUtils.java
+++ b/core-parent/poi/src/main/java/icu/easyj/poi/excel/util/ExcelUtils.java
@@ -257,7 +257,7 @@ private static Sheet generateSheet(Workbook book, List<?> dataList, ExcelMapping
 		if (CollectionUtils.isNotEmpty(dataList)) {
 			// 创建数据行
 			ExcelRowUtils.createDataRows(sheet, dataList, mapping);
-			// 合并单元格
+			// 合并单元格 @since 0.7.8
 			ExcelRowUtils.mergeSameCells(sheet, mapping);
 		}