diff --git a/.gitignore b/.gitignore
index b046f86..7064089 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,4 +3,5 @@ build/
 .vscode/
 tmp/
 doc/html
-doc/man
\ No newline at end of file
+doc/man
+installer
\ No newline at end of file
diff --git a/installer b/installer
deleted file mode 100755
index fd9d6e5..0000000
--- a/installer
+++ /dev/null
@@ -1,54 +0,0 @@
-#!/bin/bash
-
-if [[ $# == 0 || ${1} == "help" ]]; then
-	echo "Compiles executables/libraries and maintains installed files. Two tools 'Cmake' and 'stow' are empolyed here. For more information, see https://cmake.org and https://www.gnu.org/software/stow/."
-	echo ""
-	echo "School of Earth Sciences, Zhejiang University"
-	echo "Yi Zhang (yizhang-geo@zju.edu.cn)"
-	echo ""
-	echo "Usage: ./config.sh [option] [Cmake options]"
-	echo ""
-	echo "Options:"
-	echo "(1) configure: Configure Cmake project(s). This option could take extra Cmake options as in <option>=<value>."
-	echo "(2)     build: Build executables/libraries."
-	echo "(3)   install: Install executables/libraries to the directory of CMAKE_INSTALL_PREFIX and sym-links them to the target address. This offers a quick and clean remove of the installed files."
-	echo "(4)     clean: Clean build/ folder(s)."
-	echo "(5) uninstall: Delete the installed files and sym-links."
-	echo "(6)      info: Print out current setups."
-	echo "(7)      help: Show help information."
-	exit 0
-fi
-
-package=gctl
-address=/opt/stow
-taress=/usr/local
-option="-DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=${address}/${package}"
-
-if [[ $# -gt 1 ]]; then
-	for opt in "$@"; do
-		if [[ ${opt} != "configure" ]]; then
-			option="${option} -D${opt}"
-		fi
-	done
-fi
-
-if [[ ${1} == "configure" && ! -d "build/" ]]; then
-	mkdir build && cd build && cmake .. ${option}
-elif [[ ${1} == "configure" ]]; then
-	cd build && rm -rf * && cmake .. ${option}
-elif [[ ${1} == "build" ]]; then
-	cd build && make
-elif [[ ${1} == "install" ]]; then
-	cd build && sudo make install
-	sudo stow --dir=${address} --target=${taress} -S ${package}
-elif [[ ${1} == "clean" ]]; then
-	rm -rf build/
-elif [[ ${1} == "uninstall" ]]; then
-	sudo stow --dir=${address} --target=${taress} -D ${package}
-	sudo rm -rf ${address}/${package}
-elif [[ ${1} == "info" ]]; then
-	echo "package name:" ${package}
-	echo "stow address:" ${address}
-	echo "target address:" ${taress}
-	echo "Cmake options:" ${option}
-fi