src/main/java/org/springblade/modules/training/controller/TrainExamController.java
@@ -146,9 +146,8 @@
    * @return
    */
   @GetMapping("/page-tree")
   public R pageTree(TrainExam trainExam) {
      List<TrainExam> pages = trainExamService.selectTrainExamPageTree(trainExam);
      return R.data(pages);
   public List<TrainExam> pageTree(TrainExam trainExam) {
      return trainExamService.selectTrainExamPageTree(trainExam);
   }
}