add test and add methods

hutool-json/src/test/java/cn/hutool/json/Issue2377Test.java

@@ -0,0 +1,23 @@
+package cn.hutool.json;
+
+import cn.hutool.core.convert.Convert;
+import org.junit.Assert;
+import org.junit.Test;
+
+import java.util.List;
+
+public class Issue2377Test {
+
+	@Test
+	public void bytesTest(){
+		Object[] paramArray = new Object[]{ 1,new byte[]{10,11}, "报表.xlsx"};
+		String paramsStr = JSONUtil.toJsonStr(paramArray);
+
+		List<Object> paramList = JSONUtil.toList(paramsStr, Object.class);
+
+		String paramBytesStr = JSONUtil.toJsonStr(paramList.get(1));
+
+		final byte[] convert = Convert.convert(byte[].class, paramBytesStr);
+		Assert.assertArrayEquals((byte[])paramArray[1], convert);
+	}
+}