1994phone

Results 2 issues of 1994phone

![image](https://github.com/xuxueli/xxl-job/assets/144759205/81a350f6-ac91-4ed7-9f92-e2541f0e6636) springboot项目中原先使用了nacos2.2.0的版本,现引入xxl-job-core 2.4.0版本,报错,没引入job之前 是正常的

### Installation Method None ### The Problem it occurs exception that I use the function of add page numbers.!!!!!!!!!!!!!!!!!!!! java.lang.IllegalStateException: Must call setFont() before showText() at org.apache.pdfbox.pdmodel.PDAbstractContentStream.showTextInternal(PDAbstractContentStream.java:287) at org.apache.pdfbox.pdmodel.PDAbstractContentStream.showText(PDAbstractContentStream.java:266) at...