fix(培训模块): 修改批阅试卷的接口，返回值为true and false 是否存在还未批阅完成以及未提交

dev-train/src/main/java/com/tykj/dev/device/train/controller/TrainJobController.java

@@ -460,7 +460,7 @@ public class TrainJobController {
            trainTheme.setTrainStatus(StatusEnum.TRAIN1007.id);
            trainThemeService.save(trainTheme);
         }
-        return ResponseEntity.ok(testPaper);
+        return ResponseEntity.ok(falg);
     }
 
     /**