Update the docs.

docs/zh-cn/demo-linux.md

@@ -1,21 +1,21 @@
 # linux demo
 
-## <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+## 介绍
 
-<EFBFBD><EFBFBD><EFBFBD><EFBFBD> Linux ƽ̨<C6BD><CCA8> KVDB <20><> TSDB <20><>ʾ<EFBFBD><CABE>
+基于 Linux 平台的 KVDB 和 TSDB 演示。
 
-## ʹ<EFBFBD><EFBFBD>
+## 使用
 
-### <EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+### 步骤1：构建
 
-<EFBFBD><EFBFBD><EFBFBD>ն<EFBFBD><EFBFBD><EFBFBD>ִ<EFBFBD><EFBFBD> `make` <20><><EFBFBD><EFBFBD><EEA3AC><EFBFBD>ɺ<EFBFBD><C9BA><EFBFBD>`out` <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>½<EFBFBD><C2BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿ<EFBFBD>ִ<EFBFBD>г<EFBFBD><D0B3><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>
+在终端中执行 `make` 命令，完成后，`out` 文件夹下将会生成可执行程序文件。
 
-### <EFBFBD><EFBFBD><EFBFBD><EFBFBD>2<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
+### 步骤2：运行演示
 
-<EFBFBD>л<EFBFBD><EFBFBD><EFBFBD> `out` <20>ļ<EFBFBD><C4BC><EFBFBD><EFBFBD>£<EFBFBD>Ȼ<EFBFBD><C8BB><EFBFBD>ɶ<EFBFBD><C9B6><EFBFBD>ִ<EFBFBD><D6B4> `./FlashDBLinuxDemo` <20><>
+切换到 `out` 文件夹下，然后可多次执行 `./FlashDBLinuxDemo` 。
 
-### <EFBFBD><EFBFBD><EFBFBD><EFBFBD>3<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>־
+### 步骤3：检查日志
 
-<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>־<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ն<EFBFBD><EFBFBD>У<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Խ<EFBFBD><EFBFBD>м<EFBFBD><EFBFBD>顣
+演示的日志将会输出在终端中，可以进行检查。
 
-> PS: <EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD><EFBFBD>̴<EFBFBD><EFBFBD>뼰<EFBFBD><EFBFBD>־<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> -> [<EFBFBD><EFBFBD>ʾ˵<EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD>](zh-cn/demo-details.md)
+> PS: 演示工程代码及日志分析，详见：入门 -> [演示说明文档](zh-cn/demo-details.md)