修改loading效果

src/app/service/loading.ts

@@ -14,14 +14,14 @@ export class Loading {
         this.loading = await this.loadingController.create({
             mode: 'ios',
             spinner: 'circles',
-            message: '通信中，还剩' + time + '秒',
+            message: '通信中，还剩 ' + time + ' 秒',
             cssClass: 'main-color',
             duration: time * 1000
         });
         this.loading.present();
         this.interval = window.setInterval(() => {
             this.countdown--;
-            this.loading.message = '通信中，还剩' + this.countdown + '秒';
+            this.loading.message = '通信中，还剩 ' + this.countdown + ' 秒';
         }, 1000)
 
         const { role, data } = await this.loading.onDidDismiss();