@junlin-chen @june0854 @coolkit-carl Request you please upload documentation for your new SM-031 Zigbee module:
https://github.com/CoolKit-Technologies/DevDocs/tree/master/Zigbee
This new SM-031 (Zigbee module) module by @CoolKit-Technologies is used in SONOFF ZBBridge Zigbee Bridge Pro (ZBBridge-P) by ITead and GPIO pin documentation is requested by the Tasmota (and ESPHome) open source communities:
arendst/Tasmota#14419
https://itead.cc/product/sonoff-zigbee-bridge-pro/
https://fccid.io/2APN5ZBBRIDGEP

