Update documentation

README.md

 [中文文档](README_CN.md)
 
 ## Conditions of Use
-1, Minimum version android4.4 (API 19)
-2, The Bluetooth version used by the device requires 4.0 and above
-3, Depends on the environment androidx
+1. Minimum version android4.4 (API 19)
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+2. The Bluetooth version used by the device requires 4.0 and above
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+3. Depends on the environment androidx
 
 ##  Import SDK
 
 ## FAQ
 
 - Can't scan the Bluetooth device?
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 1. Check whether the permissions of the App are normal. The 6.0 and above systems must locate the permissions and need to manually obtain the permissions
 2. Check whether the location service of the mobile phone is turned on, some mobile phones may need to turn on the GPS
 3. Unplug the battery and restart the scale
 5. Is PabulumService registered in AndroidManifest
 
 - What units does the agreement support?
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 1. Units can only support up to 8 types. For specific units, please obtain them by the getUnits () method. If they cannot be obtained, please refer to the factory settings of the scale.
 
 

README_CN.md

 
 
 ## 使用条件
-1,最低版本 android4.4（API 19）
-2,设备所使用的蓝牙版本需要4.0及以上
-3,依赖环境androidx
+1. 最低版本 android4.4（API 19）
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+2. 设备所使用的蓝牙版本需要4.0及以上
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+3. 依赖环境androidx
 
 
 ## 导入SDK
 ## FAQ
 
 - 扫描不到蓝牙设备？
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 1.查看App权限是否正常,6.0及以上系统必须要定位权限，且需要手动获取权限
 2.查看手机的定位服务是否开启,部分手机可能需要打开GPS
 3.拔掉电池重启秤
 5.PabulumService是否在AndroidManifest中注册
 
 - 协议支持哪些单位？
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 1.单位最多只支持8种，具体支持什么单位请通过getUnits()方法获取,如无法获取,请参照秤的出厂设置。