优化一下

release-service/src/main/java/com/mmc/csf/release/controller/FlyerTrainingController.java

@@ -177,8 +177,8 @@ public class FlyerTrainingController extends BaseController {
     }
     @ApiOperation(value = "删除课程分类")
     @ApiResponses({@ApiResponse(code = 200, message = "OK", response = CurriculumClassifyVO.class)})
-    @PostMapping("removeCurriculumClassify")
-    public ResultBody removeCurriculumClassify(Integer id) {
+    @GetMapping("removeCurriculumClassify")
+    public ResultBody removeCurriculumClassify(@RequestParam Integer id) {
         return flyerTrainingService.removeCurriculumClassify(id);
     }
 

release-service/src/main/java/com/mmc/csf/release/service/impl/FlyerTrainingServiceImpl.java

@@ -220,6 +220,9 @@ public class FlyerTrainingServiceImpl implements FlyerTrainingService {
 
     @Override
     public ResultBody removeCurriculumClassify(Integer id) {
+        if(id == null){
+            return ResultBody.error("参数错误");
+        }
         CurriculumClassifyDO classifyDO = flyerTrainingDao.selectCurriculumClassifyById(id);
         if(classifyDO == null){
             return ResultBody.error("找不到这个课程分类，可能已经删除");