使用wch_link 燒錄不成功

錯誤信息如下

------------ Begin flash process of "obj\CH32V307FBP6.hex" ------------
18:19:37:022 >> Current project vendor is WCH, debugger is WCH-Link

18:19:37:022 >> Attempt to open link device and upgrade firmware if necessary...
18:19:37:074 >> Link Device is CH549. Already the latest version v2.8, no need to upgrade

18:19:37:139 >> Starting to Handle Operations...
18:19:37:734 >> Program or verify failed.
Program or verify failed. Please refer to "WCH-LinkUserManual.pdf" for more help.

18:19:37:734 >> Starting to Close Link...
18:19:37:734 >> Close Link Success
---------------------------------End ----------------------------------

使用WCH-LinkUtility測試wchlink能讀取到ch32V307的信息，且沒加讀寫保護，無法寫入成功。

關(guān)閉校驗能寫入成功但讀取flash內(nèi)容發(fā)現(xiàn)實際并未改變

情況如圖，我手上僅有wch——link請問如何解決

您好，這邊建議你先通過WCHISPTool工具下載一下程序測試一下能否正常下載并正常運行。若通過WCHISPTool工具能夠正常下載且正常運行，建議按照下圖圈出部分降低一下速度或?qū)⑦B接WCH-Link與測試板的接線用短的杜邦線連接測試一下能否下載成功并正常運行。后續(xù)若有問題，可通過郵箱（lzs@wch.cn）和我溝通。

問題已解決，我將MRS從1.4升級到最新版就好了