[Bug][Manager] Illegal DefaultValue null for parameter type integer

[healchow]

What happened

When opening the Swagger API, there are some exceptions occur:

java.lang.NumberFormatException: For input string: ""
	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) ~[?:1.8.0_202]
	at java.lang.Long.parseLong(Long.java:601) ~[?:1.8.0_202]
	at java.lang.Long.valueOf(Long.java:803) ~[?:1.8.0_202]
	at io.swagger.models.parameters.AbstractSerializableParameter.getExample(AbstractSerializableParameter.java:412) ~[swagger-models-1.5.20.jar:1.5.20]

What you expected to happen

No error.

How to reproduce

Startup the manager module, and open the Swagger API in the browser, you will see the exception in the log.

Environment

No response

InLong version

master

InLong Component

InLong Manager

Are you willing to submit PR?

• Yes, I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct