Clean data and update mockup api spec

cms/src/routes/competitive/+page.server.ts

@@ -1,6 +1,7 @@
-import type { PageServerLoad } from './$types'
+import { error } from '@sveltejs/kit';
 import type {CalendarEvent,Exam} from '$lib/data/CMSDataType'
 import dayjs from 'dayjs'
+import type { PageServerLoad } from './$types'
 export const load: PageServerLoad = async ({fetch}) => {
 	let content = ""
     let exams:Exam[] = []
@@ -10,9 +11,10 @@ export const load: PageServerLoad = async ({fetch}) => {
 	}
 
 	res = await fetch("/api/competitive")
-	if(res.ok){
-		exams = await res.json()
+	if(!res.ok){
+        throw error(res.status, 'ไม่สามารถอ่านข้อมูลการสอบได้');
 	}
+    exams = await res.json()
 
     const events:CalendarEvent[]=[]
     exams.forEach((e)=>{