feat:加载

@@ -3,12 +3,12 @@ import Loading from '@/components/loading/index.js';
 let loading
 
 // loading开始 方法
-function startLoading (target = "body", loadingText = '正在加载中...') {
+function startLoading (target, loadingText = '正在加载中...') {
   loading = Loading.service({
     text: loadingText,
     spinner: 'el-icon-loading',
     background: 'rgba(255, 255, 255, 0.5)',
-    target: '#' + target
+    target: target ? '#' + target : 'body'
   })
 }