CH32V307RCT6仿真不了怎么解决？

CH32V307RCT6 今天（2022年7月7日）下午升级了***器固件之后，有过几次成功***，随后在下载程序时提示

------------ Begin flash process of "objapp.bin" ------------
23:30:43:561 >> Current project vendor is WCH, debugger is WCH-Link


23:30:43:561 >> Attempt to open device and upgrade firmware if necessary...
23:30:43:562 >> WCH-Link no need to upgrade. Already the latest version.


23:30:43:601 >> Starting to Send Chip Type...
23:30:43:642 >> Read-Protect is currently enabled. Or not support this packaged chip type.
Read-Protect is currently enabled. Or not support this packaged chip type.


23:30:43:643 >> Starting to Close Link...
23:30:43:643 >> Close Link Success
-----------------------------End -----------------------------
点击进入debug，提示如下，进不了任何断点
Open On-Chip Debugger 0.11.0***-02215-gcc0ecfb6d-dirty (2022-05-17-19:01)
Licensed under GNU GPL v2
For bug reports, read
Info : only one transport option; autoselect 'jtag'
Ready for Remote Connections
Started by GNU MCU Eclipse
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : WCH-Link-CH549  mod:RV version 2.5
Error: Read-Protect Status Currently Enabled

芯片进入官方下载模式，可以识别并能成功下载程序，说明硬件没有问题。

重启电脑N次，现象依旧。

技术人员能否核实一下？正在项目开发紧急关头，希望早点解决问题。