From 4f2673583a3fa9b03addcdf652df678599c4a081 Mon Sep 17 00:00:00 2001
From: yancongwen <ycwen1119@163.com>
Date: Mon, 9 Dec 2019 11:30:56 +0800
Subject: [PATCH] fix:downloader bug when image size > MAX_SPACE_IN_B

---
 lib/downloader.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/downloader.js b/lib/downloader.js
index 3fae8e7..b1b6b1e 100644
--- a/lib/downloader.js
+++ b/lib/downloader.js
@@ -155,6 +155,9 @@ function reset() {
 }
 
 function doLru(size) {
+  if (size > MAX_SPACE_IN_B) {
+    return Promise.reject()
+  }
   return new Promise((resolve, reject) => {
     let totalSize = savedFiles[KEY_TOTAL_SIZE] ? savedFiles[KEY_TOTAL_SIZE] : 0;