新增搜索课程和加载组件页面，签到页面添加遮罩防重复扫码，添加 request 便捷方法（get/post/put/delete）

gym-manage-uniapp/pages/checkIn/checkIn.vue

@@ -104,7 +104,7 @@ import { onLoad, onUnload } from '@dcloudio/uni-app'
 // 引入状态组件（路径与你保持一致）
 import QrStatus from '@/components/QRCode/StatusCard.vue'
 // 引入API封装
-import { getQRCode, checkIn as apiCheckIn } from '@/request_api/main.js'
+import { getQRCode, checkIn as apiCheckIn } from '@/api/main.js'
 
 	let image = ref("")
 	let width = ref(0)