更新 'README.md'

README.md

@@ -62,7 +62,7 @@
 | 协议名称| 品牌  | 代表模块 | 其他 |状态 |
 |-------|-------|------|------|------|
 |WIFI|乐鑫|ESP8266||![](https://img.shields.io/badge/OK-55FF55?style=plastic) |
-|NB-iot|移远|BC260Y||![](https://img.shields.io/badge/DEV-E78D08?style=plastic) |
+|NB-iot|移远|BC260Y|[链接](https://detail.tmall.com/item.htm?abbucket=18&id=677122138546&rn=0d18d5b872a28ae8956f68e9e2a750fc&skuId=4859694088165&spm=a1z10.5-b.w4011-23773508522.56.12774ad8QwNiIf)|![](https://img.shields.io/badge/DEV-E78D08?style=plastic) |
 |4G Cat.1|移远|ESP8266||![](https://img.shields.io/badge/DEV-E78D08?style=plastic) |
 |Lora|移远|ESP8266||![](https://img.shields.io/badge/DEV-E78D08?style=plastic) |