diff --git a/zh-cn/device-dev/kernel/kernel-small-basic-time.md b/zh-cn/device-dev/kernel/kernel-small-basic-time.md index b378ef425340cd8c5f667c5e8dd42d1bfd58ffa6..9dca8cc0a5b64b3e0991d73247b281c3ed105bf5 100644 --- a/zh-cn/device-dev/kernel/kernel-small-basic-time.md +++ b/zh-cn/device-dev/kernel/kernel-small-basic-time.md @@ -51,7 +51,7 @@ OpenHarmony LiteOS-A内核的时间管理提供下面几种功能,接口详细 前置条件: -- 配置好LOSCFG_BASE_CORE_TICK_PER_SECOND,即系统每秒的Tick数。 +- 配置好LOSCFG_BASE_CORE_TICK_PER_SECOND,即系统每秒的Tick数,范围(0, 1000]。 - 配置好OS_SYS_CLOCK 系统时钟频率,单位:Hz。