From 5f112d3ccb657679ae5209fc0dea89cf532c6241 Mon Sep 17 00:00:00 2001
From: axetroy <troy450409405@gmail.com>
Date: Mon, 4 Sep 2017 13:32:07 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=A6=82=E6=9E=9C=E9=A1=B5=E9=9D=A2?=
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---
 src/app.ts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/app.ts b/src/app.ts
index 742eda1..d268d77 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -76,6 +76,11 @@ export class App {
           .onInit();
         this.onScrollHandler.push(provider.onScroll.bind(provider));
         this.onHoverHandler.push(provider.onHover.bind(provider));
+
+        // 如果页面处于初始的状态，没有滚动过，则出发一次onScroll事件
+        if (window.scrollY <= 0) {
+          this.onScroll();
+        }
       }
     });
     addEventListener('scroll', this.onScroll.bind(this));