alibaba / alibaba/fastjson2

[BUG]Map<String ,Object>其中有部分value值属性为byte[],转换JSON数值变化

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bug
Dominant language
Java
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Description

### 问题描述
*简要描述您碰到的问题。*
Map waveDataMap
其中map中有value的值为byte[]
String data = JSON.toJSONString(waveDataMap)
但是经过JSON转换后byte[]数组里面的值变了,

### 环境信息
*请填写以下信息:*

- OS信息: [e.g.:CentOS 8.4.2105 4Core 3.10GHz 16 GB]
- JDK信息: [e.g.:Openjdk 1.8.0_312]
- 版本信息:[e.g.:Fastjson2 2.x.x]

### 重现步骤
*如何操作可以重现该问题:*

1. 使用 `xxx.xxx` 方法
2. 输入 `...` 数据
3. 出现 `...` 错误
```java
//可在此输入示例代码
```

### 期待的正确结果
*对您期望发生的结果进行清晰简洁的描述。*

### 相关日志输出
*请复制并粘贴任何相关的日志输出。*

#### 附加信息
*如果你还有其他需要提供的信息,可以在这里填写(可以提供截图、视频等)。*

Contributor guide

Open the contributing guide

Research direction

Start at the JSON.toJSONString entry point and reproduce the report with a Map containing a byte[] value. Compare the byte[] values before and after conversion; the issue does not provide a concrete expected result, test, or source file, so the desired behavior must be clarified first.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
backend
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
20/100

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