[BUG] Page string types are coerced to be treated as numbers 测试页面字符串类型被强制按照数字处理

[wanghuzhou]

• [x] I have searched the issues of this repository and believe that this is not a duplicate.
• [x] I have checked the REAMDE of this repository and believe that this is not a duplicate.

Environment

• Dubbo Admin version: 0.5.0
• Registry center detail (type and version): zookeeper 3.5.8
• Operating System version: centos7
• Java version: 1.8

Steps to reproduce this issue

page bug 页面bug

1. The second parameter of the method is of String type. Input a pure numeric string and automatically discard the 0 in front of me. 方法的第二个参数是String类型，输入纯数字字符串，自动把我前面的0给丢弃了
2. 类似的bug还有把我long类型数字（已经是字符串接收了）精度丢失了

Pls. provide [GitHub address] to reproduce this issue.

Expected Result

What do you expected from the above steps？

Actual Result

What actually happens?

If there is an exception, please attach the exception trace:

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[wanghuzhou]

#328 发现这是2019年就有的bug