Describe the bug

当dataId过长且含有中文时，获取到的值有几率不对

Expected behavior

key: guidance_config.ANALYTICS-年龄性别拿起小时数据源, 设置了值：123， 通过获取配置方法返回123

Acutally behavior

实际返回与naocs web上设置不符

How to Reproduce

当通过sdk获取“guidance_config.ANALYTICS-年龄性别拿起小时数据源”的配置信息时，与nacos web上设置的值不符。

Desktop (please complete the following information):

• OS: mac
• Version nacos-server 2.0.3, golang nacos-client 2.0.1
• Module naming/config
• SDK golang

Additional context

Add any other context about the problem here.