Merge pull request #189 from whj4674672/master

[update] price

Author: Guozhanxin

RealThread_STMH750-ART-Pi.yaml

@@ -15,8 +15,8 @@ board:
   sale_contact_global: https://www.rt-thread.org/
   buy_url_cn: https://item.taobao.com/item.htm?id=629477793246
   buy_url_global: https://item.taobao.com/item.htm?id=629477793246
-  price_cn: 219 CNY
-  price_global: 33.99 USD
+  price_cn: 288 CNY
+  price_global: 43.99 USD
   debugger: ST-LINK
   debug_interface: SWD
   emulator_machine: ''