diff --git a/.devcontainer/Dockerfile b/.devcontainer/Dockerfile
index 01172ae9c915090f50c830a131ea7c910deb0d30..a23ebdecfd527b55c72bc1e042b84de51b25885b 100644
--- a/.devcontainer/Dockerfile
+++ b/.devcontainer/Dockerfile
@@ -7,4 +7,4 @@ FROM mcr.microsoft.com/vscode/devcontainers/cpp:0-${VARIANT}
 # [Optional] Uncomment this section to install additional packages.
 # RUN apt-get update && export DEBIAN_FRONTEND=noninteractive \
 #     && apt-get -y install --no-install-recommends <your-package-list-here>
-RUN apt-get update && apt-get -y install tree vim
+RUN apt-get update && apt-get -y install tree vim tmux
diff --git a/.devcontainer/devcontainer.json b/.devcontainer/devcontainer.json
index cb05c84d722c69b3e42290aff1d2699081fb33d4..f9ad25e27512623d772f183a28c7abc59b127d11 100644
--- a/.devcontainer/devcontainer.json
+++ b/.devcontainer/devcontainer.json
@@ -32,7 +32,7 @@
 	// Use 'forwardPorts' to make a list of ports inside the container available locally.
 	// "forwardPorts": [],
 	// Use 'postCreateCommand' to run commands after the container is created.
-	// "postCreateCommand": "gcc -v",
+	"postCreateCommand": "wget https://raw.githubusercontent.com/hzcheng/config/master/.tmux.conf -P /root",
 	// Comment out connect as root instead. More info: https://aka.ms/vscode-remote/containers/non-root.
 	"remoteUser": "root"
 }
\ No newline at end of file