RTX工程报错

.\Obj\Template.axf: Error: L6218E: Undefined symbol os_set_env (referred from main.o).

.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_sys_init (referred from main.o).

.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_dly_wait (referred from tasks.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_tsk_create (referred from tasks.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_tsk_delete (referred from tasks.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_tsk_prio (referred from tasks.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol _alloc_box (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol _free_box (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol _init_box (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_mbx_init (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_mbx_send (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_mbx_wait (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_mut_init (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_mut_release (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_mut_wait (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_sem_init (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_sem_send (referred from rtx_can.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol isr_mbx_receive (referred from can_hw.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol isr_mbx_send (referred from can_hw.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol isr_sem_send (referred from can_hw.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_mbx_check (referred from can_hw.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_sem_wait (referred from can_hw.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_tsk_self (referred from rtx_config.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol isr_evt_set (referred from usart.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_evt_clr (referred from usart.o).
.\Obj\Template.axf: Error: L6218E: Undefined symbol rt_evt_wait (referred from usart.o).
Not enough information to list image symbols.
Finished: 1 information, 0 warning and 26 error messages.
".\Obj\Template.axf" - 26 Error(s), 0 Warning(s).
Target not created.
Build Time Elapsed:  00:00:11

原因：未真正加入RTX系统

解决方法：Target----operating system中选择RTX Kernel确定即可