<!-- If you need to report a security issue please visit https://github.com/apache/dubbo/security/policy -->

- [ ] I have searched the [issues](https://github.com/apache/dubbo/issues) of this repository and believe that this is not a duplicate.

## Ask your question here
![1678891955524](https://user-images.githubusercontent.com/31841743/225348655-2b03b0b0-2da0-4e34-bfd0-be07e6e54d60.jpg)
![1678891971675](https://user-images.githubusercontent.com/31841743/225348708-57f4df91-77c5-4b32-9e4e-cde573002ad2.jpg)
![image](https://user-images.githubusercontent.com/31841743/225348805-4a38363d-25c3-4245-ab33-ea1772c3f115.png)
可以看到按照图片顺序，properties中设置default属性，在我从configManager中打印的2个注册中心default值都为null,dubbo版本是3.0.12
public Integer getWait() {
        return wait;
    }
    /**
     * @param wait
     * @see org.apache.dubbo.config.ProviderConfig#setWait(Integer)
     * @deprecated
     */
    @Deprecated
    public void setWait(Integer wait) {
        this.wait = wait;
        if (wait != null && wait > 0) {
            System.setProperty(SHUTDOWN_WAIT_KEY, String.valueOf(wait));
        }
    }
    public Boolean isCheck() {
        return check;
    }
    public void setCheck(Boolean check) {
        this.check = check;
    }
    public String getFile() {
        return file;
    }
    public void setFile(String file) {
        this.file = file;
    }
    /**
     * @return transport
     * @see #getTransporter()