fix: add readme for CN

README_en.md

@@ -10,7 +10,7 @@ This repo is made together with this explanation video:(click on it)
 [![YoutubeVideo](https://img.youtube.com/vi/ANHz7EgWx7k/0.jpg)](https://www.youtube.com/watch?v=ANHz7EgWx7k)
 
 
-WebSerial Firmware flasher Tool: 
+WebSerial Firmware flasher Tool:
 https://atc1441.github.io/ATC_TLSR_Paper_UART_Flasher.html
 
 WebBluetooth Image Uploader:

readme.md

@@ -0,0 +1,53 @@
+## hanshow stellar L3N 电子价签固件
+
+
+### 刷入固件步骤
+- 1. 拆开电池后盖观察主板是否是如下图所示。（或者查看主控是否为TLSR8359）
+
+![焊接图示](/USB_UART_Flashing_connection.jpg)
+
+- 2. 焊接 GND, VCC, RX, TX四根线。 RST 可不焊。
+- 3. 使用usb2ttl模块(CH340)链接焊接的四根线。其中rx 链接 tx, tx链接 rx, vcc链接3.3v, GND链接 GND
+- 4. 打开https://atc1441.github.io/ATC_TLSR_Paper_UART_Flasher.html， 波特率选择默认 460800，Atime默认，文件选择Firmware/ATC_Paper.bin
+- 5. 先点击unlock,再点击write to flush,等待完成。成功后，屏幕会自动刷新。
+
+### 项目编译
+
+```cmd
+
+    cd Firmware
+    makeit.exe clean && makeit.exe -j12
+
+```
+
+成功后提示内容:
+
+```
+'Create Flash image (binary format)'
+'Invoking: TC32 Create Extended Listing'
+'Invoking: Print Size'
+"tc32_windows\\bin\\"tc32-elf-size -t ./out/ATC_Paper.elf
+copy from `./out/ATC_Paper.elf' [elf32-littletc32] to `./out/../ATC_Paper.bin' [binary]
+   text    data     bss     dec     hex filename
+  75608    4604   25341  105553   19c51 ./out/ATC_Paper.elf
+  75608    4604   25341  105553   19c51 (TOTALS)
+'Finished building: sizedummy'
+' '
+tl_fireware_tools.py v0.1 dev
+Firmware CRC32: 0xe62d501e
+'Finished building: out/../ATC_Paper.bin'
+' '
+'Finished building: out/ATC_Paper.lst'
+' '
+```
+
+### 存在和已解决问题
+- [x] 编译报错
+- [x] 刷入不生效
+- [x] 屏幕区域不对/异常
+- [ ] 蓝牙无法链接
+- [ ] OTA升级
+
+### 原始readme.md
+
+[README_EN.md](/README_EN.md)