fix : Add filed class to paper-translation cover

Author: ZoroGH

Diff for: templates/paper-translation/main.tex

@@ -46,6 +46,7 @@
     school = 计算机学院,
     major = 计算机科学与技术,
     author = 惠计算,
+    class = 0596xxxx,
     studentId = 11xxxxxxxx,
     supervisor = 张哈希,
     translationTitle = 填写你的外文翻译中文题目,