Merge remote-tracking branch 'origin/master'

# Conflicts:
#	README_CN.md

README_CN.md

@@ -4,9 +4,12 @@
 [![](https://jitpack.io/v/elinkthings/BodyFatScaleSDKRepositoryAndroid.svg)](https://jitpack.io/#elinkthings/BodyFatScaleSDKRepositoryAndroid)
 
 [aar包下载地址](https://github.com/elinkthings/BodyFatScaleSDKRepositoryAndroid/releases)
+
 [key申请地址](http://sdk.aicare.net.cn)
+
 [English documentation](README.md)
 
+
 ## 目录
 - 概述
 - 使用条件