现在程序已经可以正常编译了:
*** Using Compiler 'V5.06 update 1 (build 61)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin'
Build target 'Target 1'
assembling startup_stm32f10x_md.s...
compiling main.c...
compiling system_stm32f10x.c...
linking...
Program Size: Code=996 RO-data=268 RW-data=12 ZI-data=1636
".\Objects\d.axf" - 0 Error(s), 0 Warning(s).
Build Time Elapsed: 00:00:01
不过,要想通过J-LINK下载到开发板上运行,还需进一步配置工程。