diff --git a/docs/en/14-reference/12-config/index.md b/docs/en/14-reference/12-config/index.md
index 54e4139645..b6bfa4bc7d 100644
--- a/docs/en/14-reference/12-config/index.md
+++ b/docs/en/14-reference/12-config/index.md
@@ -315,39 +315,6 @@ The charset that takes effect is UTF-8.
 | Meaning       | All data files are stored in this directory |
 | Default Value | /var/lib/taos                               |
 
-:::info
-`The official version` supports multi-tier storage (need to cooperate with [KEEP parameter](https://docs.tdengine.com/taos-sql/database/#create-a-database)). The configuration method is as follows.
-
-The multi-tier storage directory is configured through `dataDir`, the format is: 
-`dataDir [path] <level> <primary>`
-
-dataDir: Configuration items in the configuration file (`taos.cfg`)
-path: the directory to mount (cannot be omitted)
-level: mount level, the value is 0, 1 or 2, if omitted, the default is 0. Up to 3 levels are supported, and each level supports up to 16 mount points, so a maximum of 48 mount points are supported.
-primary: whether it is the primary mount point, 0 (no) or 1 (yes), the default is 1. The primary mount point is only allowed at level 0, and only one primary mount point is allowed (level=0, primary=1).
-
-Here is a normal configuration (3 storage tiers, each with 3 mount points):
-```
-dataDir /mnt/data01 0 1
-dataDir /mnt/data02 0 0
-dataDir /mnt/data03 0 0
-dataDir /mnt/data10 1 0
-dataDir /mnt/data11 1 0
-dataDir /mnt/data12 1 0
-dataDir /mnt/data20 2 0
-dataDir /mnt/data21 2 0
-dataDir /mnt/data22 2 0
-```
-
-`The community version` does not support multi-tier storage, and the following three configurations are all normal:
-```
-dataDir /var/lib/taos
-or dataDir /var/lib/taos 0
-or dataDir /var/lib/taos 0 1
-```
-
-:::
-
 ### tempDir
 
 | Attribute    | Description                                     |