diff --git a/doc/DOCKER.md b/doc/DOCKER.md
index 4e0746ddc7f1b67c01936f5069be1129d06dddbc..325ec906c04c708d8e62ff2ae2900bc367e049b6 100644
--- a/doc/DOCKER.md
+++ b/doc/DOCKER.md
@@ -58,10 +58,8 @@ docker run -it --runtime=nvidia -it serving_compile:cuda9 bash
 
 | GPU Docker编译出的可执行文件支持的系统环境 |
 | ---------------------------------- |
-| Centos6_cuda8_cudnn7                       |
 | Centos6_cuda9_cudnn7                       |
 | Centos7_cuda9_cudnn7                  |
-| Ubuntu16.04_cuda8_cudnn7                       |
 | Ubuntu16.04_cuda9_cudnn7                       |
 | Ubuntu16.04_cuda10_cudnn7                  |