diff --git a/sdata/lib/environment-variables.sh b/sdata/lib/environment-variables.sh
index 71ca6d023..5344be4c7 100644
--- a/sdata/lib/environment-variables.sh
+++ b/sdata/lib/environment-variables.sh
@@ -26,4 +26,4 @@ STY_RST='\e[00m'
 # Used by register_temp_file()
 declare -a TEMP_FILES_TO_CLEANUP=()
 
-
+FIRSTRUN_FILE="${XDG_CACHE_HOME}/.ii-qs-installed"
diff --git a/sdata/lib/functions.sh b/sdata/lib/functions.sh
index 96ddb7eb4..54d4c3b73 100644
--- a/sdata/lib/functions.sh
+++ b/sdata/lib/functions.sh
@@ -344,6 +344,7 @@ function backup_clashing_targets(){
   x mkdir -p $backup_dir
   x rsync -av --progress "${args_includes[@]}" "$target_dir/" "$backup_dir/"
 }
+
 function install_cmds(){
   case $OS_GROUP_ID in
     "arch")
@@ -401,6 +402,7 @@ function install_cmds(){
       ;;
   esac
 }
+
 function ensure_cmds(){
   local not_found_cmds=()
   for cmd in "$@"; do
diff --git a/sdata/subcmd-install/3.files-legacy.sh b/sdata/subcmd-install/3.files-legacy.sh
index c4a755728..aab67d03c 100644
--- a/sdata/subcmd-install/3.files-legacy.sh
+++ b/sdata/subcmd-install/3.files-legacy.sh
@@ -35,7 +35,6 @@ function copy_dir_s_t(){
 #####################################################################################
 # In case some dirs does not exists
 v mkdir -p $XDG_BIN_HOME $XDG_CACHE_HOME $XDG_CONFIG_HOME $XDG_DATA_HOME/icons
-firstrun_file="${XDG_CACHE_HOME}/.ii-qs-installed"
 if test -f "${firstrun_file}"; then
   firstrun=false
 else
diff --git a/sdata/subcmd-resetfirstrun/0.run.sh b/sdata/subcmd-resetfirstrun/0.run.sh
new file mode 100644
index 000000000..b81f642f4
--- /dev/null
+++ b/sdata/subcmd-resetfirstrun/0.run.sh
@@ -0,0 +1,6 @@
+# This script is meant to be sourced.
+# It's not for directly running.
+
+# shellcheck shell=bash
+
+try rm "${FIRSTRUN_FILE}"
diff --git a/sdata/subcmd-resetfirstrun/options.sh b/sdata/subcmd-resetfirstrun/options.sh
new file mode 100644
index 000000000..e5def7d2b
--- /dev/null
+++ b/sdata/subcmd-resetfirstrun/options.sh
@@ -0,0 +1,27 @@
+# Handle args for subcmd: checkdeps
+# shellcheck shell=bash
+
+showhelp(){
+echo -e "Syntax: $0 resetfirstrun [OPTIONS]
+
+Reset firstrun state.
+
+Options:
+  -h, --help       Show this help message and exit
+"
+}
+# `man getopt` to see more
+para=$(getopt \
+  -o c \
+  -l help \
+  -n "$0" -- "$@")
+[ $? != 0 ] && echo "$0: Error when getopt, please recheck parameters." && exit 1
+#####################################################################################
+eval set -- "$para"
+while true ; do
+  case "$1" in
+    -h|--help) showhelp;exit;;
+    --) shift;break ;;
+    *) sleep 0 ;;
+  esac
+done
diff --git a/setup b/setup
index 81cb11675..47c343599 100755
--- a/setup
+++ b/setup
@@ -33,6 +33,7 @@ Subcommands:
   exp-update     (Experimental) Update illogical-impulse without fully reinstall.
   exp-update-old (Experimental) exp-update but use behaves like old version.
 
+  resetfirstrun  Reset firstrun state.
   checkdeps      (For dev only) Check whether pkgs exist in AUR or repos of Arch.
   virtmon        (For dev only) Create virtual monitors for testing multi-monitors.
   help           Show this help message.
@@ -47,7 +48,7 @@ case $1 in
   # Global help
   ""|help|--help|-h)showhelp_global;exit;;
   # Correct subcommand
-  install|exp-uninstall|exp-update|exp-update-old|checkdeps|virtmon)
+  install|exp-uninstall|exp-update|exp-update-old|resetfirstrun|checkdeps|virtmon)
     SUBCMD_NAME=$1
     SUBCMD_DIR=./sdata/subcmd-$1
     shift;;