update elementUI cdn link

docs/en/unit/unitv.md

@@ -22,7 +22,6 @@ Support MicroPython development environment, which makes the program code more c
 
 It is equipped with two programmable keys and an RGB LED indicator on the front for convenient status display.At the bottom, there is a HY2.0*4P interface and a type-C interface compatible with grove, which is convenient to connect with the main controller. Support TF card to expand memory, related material and model file call more convenient.
 
-<img src="assets/img/product_pics/unit/unit-v/unit_v_05.webp" width="30%" height="30%">
 
 ## Product Features
 
@@ -289,6 +288,16 @@ UNIT-V does not currently recognize all types of MicroSD cards. We have tested s
 - **Web page** - [sipeed](https://maixpy.sipeed.com/en/)
 - **datasheet** - [K210](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/datasheet/core/kendryte_datasheet_en.pdf)
 
+## PinMap
+
+<table>
+ <tr><td>UnitV</td><td>GPIO8</td><td>GPIO19</td><td>GPIO18</td><td>GPIO34,GPIO35</td></tr>
+ <tr><td>Hardware</td><td>RGB LED</td><td>Button A</td><td>Button B</td><td></td></tr>
+ <tr><td>HY2.0-4P</td><td></td><td></td><td></td><td>Interface</td></tr>
+</table>
+
+<img src="assets/img/product_pics/unit/unit-v/unit_v_05.webp" width="30%">
+
 ## Example
 
 If you want the complete code, please click [here](https://github.com/m5stack/M5-ProductExampleCodes/tree/master/App/UnitV/track_ball)