rtt调试时出警告

我在用rtt thread studio进行调试时，报如下警告：

Open On-Chip Debugger 0.11.0+dev-02215-gcc0ecfb6d-dirty (2022-03-30-19:10)
Licensed under GNU GPL v2
For bug reports, read
	http://openocd.org/doc/doxygen/bugs.html
Info : only one transport option; autoselect 'jtag'
Ready for Remote Connections
Info : Listening on port 6666 for tcl connections
Info : Listening on port 4444 for telnet connections
Info : WCH-Link version 2.10 
Info : wlink_init ok
Info : This adapter doesn't support configurable speed
Info : JTAG tap: riscv.cpu tap/device found: 0x00000001 (mfg: 0x000 (<invalid>), part: 0x0000, ver: 0x0)
Warn : Bypassing JTAG setup events due to errors
Info : [riscv.cpu.0] datacount=2 progbufsize=8
Info : Examined RISC-V core; found 1 harts
Info :  hart 0: XLEN=32, misa=0x40901125
[riscv.cpu.0] Target successfully examined.
Info : starting gdb server for riscv.cpu.0 on 3333
Info : Listening on port 3333 for gdb connections
Info : accepting 'gdb' connection on tcp/3333
Info : device id = 0x263e9684
Info : flash size = 288kbytes
Warn : Prefer GDB command "target extended-remote :3333" instead of "target remote :3333"
Info : JTAG tap: riscv.cpu tap/device found: 0x00000001 (mfg: 0x000 (<invalid>), part: 0x0000, ver: 0x0)
Warn : Bypassing JTAG setup events due to errors
Warn : keep_alive() was not invoked in the 1000 ms timelimit. GDB alive packet not sent! (3258 ms). Workaround: increase "set remotetimeout" in GDB
Info : JTAG tap: riscv.cpu tap/device found: 0x00000001 (mfg: 0x000 (<invalid>), part: 0x0000, ver: 0x0)
Warn : Bypassing JTAG setup events due to errors
Info : JTAG tap: riscv.cpu tap/device found: 0x00000001 (mfg: 0x000 (<invalid>), part: 0x0000, ver: 0x0)
Warn : Bypassing JTAG setup events due to errors

有大佬们知道是什么问题吗？