试读报到调整

src/main/java/com/xjrsoft/module/student/service/impl/StudentReportRecordServiceImpl.java

@@ -476,7 +476,9 @@ public class StudentReportRecordServiceImpl extends MPJBaseServiceImpl<StudentRe
                     new QueryWrapper<User>().lambda()
                             .eq(User::getCredentialNumber, student.getCredentialNumber())
             );
-            rollService.disableStudent(user.getId());
+            if(user != null){
+                rollService.disableStudent(user.getId());
+            }
         }
 
         return true;