From 7c06a10175a6f743a23d9f4ee86df3b4245f5e66 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=91=A8=E7=A5=A5?= <bob.zhouxiang@gmail.com>
Date: Wed, 16 Nov 2016 11:38:21 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=A0=E9=99=A4=E6=97=A0=E6=95=88=E5=88=A4?=
 =?UTF-8?q?=E6=96=AD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Line 34
dpr 值在第一行就已经被限制死了，为 false 的情况才能进入条件内，那么在条件内确定 dpr 值的时候有 devicePixelRatio 的判断就已经足够了。
---
 src/flexible.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/flexible.js b/src/flexible.js
index 4e7c545..1b4c87c 100644
--- a/src/flexible.js
+++ b/src/flexible.js
@@ -37,9 +37,9 @@
         var devicePixelRatio = win.devicePixelRatio;
         if (isIPhone) {
             // iOS下，对于2和3的屏，用2倍的方案，其余的用1倍方案
-            if (devicePixelRatio >= 3 && (!dpr || dpr >= 3)) {                
+            if (devicePixelRatio >= 3) {                
                 dpr = 3;
-            } else if (devicePixelRatio >= 2 && (!dpr || dpr >= 2)){
+            } else if (devicePixelRatio >= 2){
                 dpr = 2;
             } else {
                 dpr = 1;
@@ -114,4 +114,4 @@
         return val;
     }
 
-})(window, window['lib'] || (window['lib'] = {}));
\ No newline at end of file
+})(window, window['lib'] || (window['lib'] = {}));