fix code

hutool-poi/src/main/java/cn/hutool/poi/excel/cell/CellEditor.java

@@ -14,5 +14,5 @@ public interface CellEditor {
 	 * @param value 单元格值
 	 * @return 编辑后的对象
 	 */
-	public Object edit(Cell cell, Object value);
+	Object edit(Cell cell, Object value);
 }

hutool-poi/src/main/java/cn/hutool/poi/excel/cell/CellUtil.java

@@ -329,11 +329,7 @@ public class CellUtil {
 			return true;
 		}
 
-		if (org.apache.poi.ss.usermodel.DateUtil.isCellDateFormatted(cell)) {
-			return true;
-		}
-
-		return false;
+		return org.apache.poi.ss.usermodel.DateUtil.isCellDateFormatted(cell);
 	}
 	// -------------------------------------------------------------------------------------------------------------- Private method end
 }

hutool-poi/src/main/java/cn/hutool/poi/excel/sax/CellDataType.java

@@ -32,7 +32,7 @@ public enum CellDataType {
 	 * 
 	 * @param name 类型属性值
 	 */
-	private CellDataType(String name) {
+	CellDataType(String name) {
 		this.name = name;
 	}
 

hutool-poi/src/test/java/cn/hutool/poi/excel/test/BigExcelWriteTest.java

@@ -1,6 +1,3 @@
-/**
- * 
- */
 package cn.hutool.poi.excel.test;
 
 import java.util.ArrayList;

hutool-poi/src/test/java/cn/hutool/poi/excel/test/ExcelWriteTest.java

@@ -1,6 +1,3 @@
-/**
- * 
- */
 package cn.hutool.poi.excel.test;
 
 import java.util.ArrayList;