fix 学习顺序

zhongzheng-api/src/main/java/com/zhongzheng/controller/course/CourseBusinessController.java

@@ -47,4 +47,13 @@ public class CourseBusinessController extends BaseController {
         return getDataTable(list);
     }
 
+    /**
+     * 获取业务层次详细信息
+     */
+    @ApiOperation("获取业务层次详细信息")
+    @GetMapping("/{id}")
+    public AjaxResult<CourseBusinessVo> getInfo(@PathVariable("id" ) Long id) {
+        return AjaxResult.success(iCourseBusinessService.queryById(id));
+    }
+
 }