diff --git a/doc/DOCKER_IMAGES.md b/doc/DOCKER_IMAGES.md
index a3b8a7228d1e41e1f391d3c74c3d5cefe9f383ec..361beb26943362b1ab6ee7e56ee46cb1bb85c3b3 100644
--- a/doc/DOCKER_IMAGES.md
+++ b/doc/DOCKER_IMAGES.md
@@ -29,14 +29,14 @@ You can get images in two ways:
 
 Runtime images cannot be used for compilation.
 
-|                         Description                          | 操作系统 |             TAG              |                          Dockerfile                          |
-| :----------------------------------------------------------: | :------: | :--------------------------: | :----------------------------------------------------------: |
-|                         CPU runtime                          | CentOS7  |            latest            |              [Dockerfile](../tools/Dockerfile)               |
-|                       CPU development                        | CentOS7  |         latest-devel         |        [Dockerfile.devel](../tools/Dockerfile.devel)         |
-|                 GPU (cuda9.0-cudnn7) runtime                 | CentOS7  |    latest-cuda9.0-cudnn7     | [Dockerfile.cuda9.0-cudnn7](../tools/Dockerfile.cuda9.0-cudnn7) |
-|               GPU (cuda9.0-cudnn7) development               | CentOS7  | latest-cuda9.0-cudnn7-devel  | [Dockerfile.cuda9.0-cudnn7.devel](../tools/Dockerfile.cuda9.0-cudnn7.devel) |
-|                 GPU (cuda9.0-cudnn7) runtime                 | CentOS7  |    latest-cuda10.0-cudnn7    | [Dockerfile.cuda10.0-cudnn7](../tools/Dockerfile.cuda10.0-cudnn7) |
-|              GPU (cuda10.0-cudnn7) development               | CentOS7  | latest-cuda10.0-cudnn7-devel | [Dockerfile.cuda10.0-cudnn7.devel](../tools/Dockerfile.cuda10.0-cudnn7.devel) |
-|     CPU development (Used to compile packages on Ubuntu)     | CentOS6  |            <None>            | [Dockerfile.centos6.devel](../tools/Dockerfile.centos6.devel) |
-| GPU (cuda9.0-cudnn7) development (Used to compile packages on Ubuntu) | CentOS6  |            <None>            | [Dockerfile.centos6.cuda9.0-cudnn7.devel](../tools/Dockerfile.centos6.cuda9.0-cudnn7.devel) |
+|                         Description                          |   OS    |             TAG              |                          Dockerfile                          |
+| :----------------------------------------------------------: | :-----: | :--------------------------: | :----------------------------------------------------------: |
+|                         CPU runtime                          | CentOS7 |            latest            |              [Dockerfile](../tools/Dockerfile)               |
+|                       CPU development                        | CentOS7 |         latest-devel         |        [Dockerfile.devel](../tools/Dockerfile.devel)         |
+|                 GPU (cuda9.0-cudnn7) runtime                 | CentOS7 |    latest-cuda9.0-cudnn7     | [Dockerfile.cuda9.0-cudnn7](../tools/Dockerfile.cuda9.0-cudnn7) |
+|               GPU (cuda9.0-cudnn7) development               | CentOS7 | latest-cuda9.0-cudnn7-devel  | [Dockerfile.cuda9.0-cudnn7.devel](../tools/Dockerfile.cuda9.0-cudnn7.devel) |
+|                 GPU (cuda9.0-cudnn7) runtime                 | CentOS7 |    latest-cuda10.0-cudnn7    | [Dockerfile.cuda10.0-cudnn7](../tools/Dockerfile.cuda10.0-cudnn7) |
+|              GPU (cuda10.0-cudnn7) development               | CentOS7 | latest-cuda10.0-cudnn7-devel | [Dockerfile.cuda10.0-cudnn7.devel](../tools/Dockerfile.cuda10.0-cudnn7.devel) |
+|     CPU development (Used to compile packages on Ubuntu)     | CentOS6 |            <None>            | [Dockerfile.centos6.devel](../tools/Dockerfile.centos6.devel) |
+| GPU (cuda9.0-cudnn7) development (Used to compile packages on Ubuntu) | CentOS6 |            <None>            | [Dockerfile.centos6.cuda9.0-cudnn7.devel](../tools/Dockerfile.centos6.cuda9.0-cudnn7.devel) |