diff --git a/.gitignore b/.gitignore
index 69b6f20..f6fb660 100644
--- a/.gitignore
+++ b/.gitignore
@@ -10,6 +10,7 @@ install_manifest.txt
 compile_commands.json
 CTestTestfile.cmake
 _deps
+.history
 
 # ---> Go
 # Binaries for programs and plugins
diff --git a/12/Dockerfile b/12/Dockerfile
new file mode 100644
index 0000000..bd954b0
--- /dev/null
+++ b/12/Dockerfile
@@ -0,0 +1,13 @@
+FROM node:12-alpine3.15
+  
+RUN set -eu; \
+    sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories; \
+    apk add --no-cache tzdata \
+    && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+    && echo "Asia/Shanghai" > /etc/timezone \
+    && apk del tzdata; \
+    npm config set registry https://registry.npm.taobao.org; \
+    cp /root/.npmrc  /home/node; \
+    chown node:node /home/node/.npmrc
+
+USER node
diff --git a/14/Dockerfile b/14/Dockerfile
new file mode 100644
index 0000000..41ffee8
--- /dev/null
+++ b/14/Dockerfile
@@ -0,0 +1,13 @@
+FROM node:14-alpine3.15
+  
+RUN set -eu; \
+    sed -i 's/dl-cdn.alpinelinux.org/mirrors.ustc.edu.cn/g' /etc/apk/repositories; \
+    apk add --no-cache tzdata \
+    && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+    && echo "Asia/Shanghai" > /etc/timezone \
+    && apk del tzdata; \
+    npm config set registry https://registry.npm.taobao.org; \
+    cp /root/.npmrc  /home/node; \
+    chown node:node /home/node/.npmrc
+
+USER node
diff --git a/dev/12/Dockerfile b/dev/12/Dockerfile
new file mode 100644
index 0000000..16d6601
--- /dev/null
+++ b/dev/12/Dockerfile
@@ -0,0 +1,13 @@
+FROM node:12-bullseye-slim
+
+RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list; \
+    sed -i 's|security.debian.org/debian-security|mirrors.ustc.edu.cn/debian-security|g' /etc/apt/sources.list; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends build-essential zlib1g-dev libncurses5-dev \
+                   libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev gcc g++ \
+                   libsqlite3-dev wget libbz2-dev coreutils util-linux ca-certificates wget \
+                   patch dstat vim curl git sudo glibc-source python3 python3-pip python2; \
+    apt-get clean; \ 
+    rm -rf /var/lib/apt/lists/*; \ 
+    ln -s /usr/bin/python3 /usr/bin/python
+
diff --git a/dev/14/Dockerfile b/dev/14/Dockerfile
new file mode 100644
index 0000000..40a77c5
--- /dev/null
+++ b/dev/14/Dockerfile
@@ -0,0 +1,13 @@
+FROM node:14-bullseye-slim
+
+RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list; \
+    sed -i 's|security.debian.org/debian-security|mirrors.ustc.edu.cn/debian-security|g' /etc/apt/sources.list; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends build-essential zlib1g-dev libncurses5-dev \
+                   libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev gcc g++ \
+                   libsqlite3-dev wget libbz2-dev coreutils util-linux ca-certificates wget \
+                   patch dstat vim curl git sudo glibc-source python3 python3-pip python2; \
+    apt-get clean; \ 
+    rm -rf /var/lib/apt/lists/*; \ 
+    ln -s /usr/bin/python3 /usr/bin/python
+
diff --git a/dev/16/Dockerfile b/dev/16/Dockerfile
new file mode 100644
index 0000000..b8e5bf2
--- /dev/null
+++ b/dev/16/Dockerfile
@@ -0,0 +1,13 @@
+FROM node:16-bullseye-slim
+
+RUN sed -i 's/deb.debian.org/mirrors.ustc.edu.cn/g' /etc/apt/sources.list; \
+    sed -i 's|security.debian.org/debian-security|mirrors.ustc.edu.cn/debian-security|g' /etc/apt/sources.list; \
+    apt-get update; \
+    apt-get install -y --no-install-recommends build-essential zlib1g-dev libncurses5-dev \
+                   libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev gcc g++ \
+                   libsqlite3-dev wget libbz2-dev coreutils util-linux ca-certificates wget \
+                   patch dstat vim curl git sudo glibc-source python3 python3-pip python2; \
+    apt-get clean; \ 
+    rm -rf /var/lib/apt/lists/*; \ 
+    ln -s /usr/bin/python3 /usr/bin/python
+
diff --git a/dev/Dockerfile b/dev/Dockerfile
deleted file mode 100644
index e9e0a9a..0000000
--- a/dev/Dockerfile
+++ /dev/null
@@ -1,31 +0,0 @@
-FROM ubuntu:22.04
-
-RUN sed -i 's/archive.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list; \
-    sed -i 's/security.ubuntu.com/mirrors.ustc.edu.cn/g' /etc/apt/sources.list; \
-    apt-get update; \
-    apt-get install -y --no-install-recommends build-essential zlib1g-dev libncurses5-dev \
-                   libgdbm-dev libnss3-dev libssl-dev libreadline-dev libffi-dev gcc g++ \
-                   libsqlite3-dev wget libbz2-dev coreutils util-linux ca-certificates wget \
-                   patch dstat vim curl git sudo glibc-source python3 python3-pip python2; \
-    apt-get clean; \ 
-    rm -rf /var/lib/apt/lists/*; \ 
-    ln -s /usr/bin/python3 /usr/bin/python
-
-ADD nvm.tar.gz /home/nvm/.nvm
-
-RUN useradd -d /home/nvm -s /bin/bash nvm; \
-    echo 'nvm ALL=(ALL) NOPASSWD: ALL' >> /etc/sudoers; \
-    chown nvm:nvm -R "home/nvm/"
-
-USER nvm
-
-WORKDIR /home/nvm
-
-RUN echo 'export NVM_DIR="$HOME/.nvm"' >> "$HOME/.bashrc"; \
-    echo '[ -s "$NVM_DIR/nvm.sh" ] && . "$NVM_DIR/nvm.sh"  # This loads nvm' >> "$HOME/.bashrc"; \
-    echo '[ -s "$NVM_DIR/bash_completion" ] && . "$NVM_DIR/bash_completion" # This loads nvm bash_completion' >> "$HOME/.bashrc"; \
-    bash -c 'source $HOME/.nvm/nvm.sh; \
-    nvm install 16; \ 
-    nvm install 14; \
-    nvm install 12'
-    
\ No newline at end of file
diff --git a/dev/nvm.tar.gz b/dev/nvm.tar.gz
deleted file mode 100644
index 5555a20..0000000
Binary files a/dev/nvm.tar.gz and /dev/null differ