文档更新

docs/deploy/das.md

@@ -75,6 +75,8 @@ cd patch
 ```
 
 > PS.  此脚本会更改TDEngine的默认数据目录为/das/data/tddata
+>
+> 
 
 ### TDEngine3启动顺序
 
@@ -85,6 +87,17 @@ systemctl start taosd
 systemctl start taosadapter
 ```
 
+### 数据库创建
+
+执行taos进入命令行，执行sql创建数据库
+
+```sql
+create DATABASE `das` BUFFER 64 CACHESIZE 8 CACHEMODEL 'both' COMP 2 KEEP 1098
+PAGES 512 PAGESIZE 8 VGROUPS 16
+```
+
+
+
 ### TDEngine3停止顺序
 
 ```shell