diff --git a/tools/bump.sh b/tools/bump.sh
index e9d1bc2..3c0390d 100755
--- a/tools/bump.sh
+++ b/tools/bump.sh
@@ -2,9 +2,10 @@
 #
 # Bump latest version to
 #   - _sass/jekyll-theme-chirpy.scss
-#   - assets/js/_commons/_copyright.js
+#   - assets/js/.copyright.js
 #   - assets/js/dist/*.js
 #   - jekyll-theme-chirpy.gemspec
+#   - package.json
 #
 # Required: gulp
 
diff --git a/tools/gem.sh b/tools/gem.sh
new file mode 100755
index 0000000..0ef0f38
--- /dev/null
+++ b/tools/gem.sh
@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+#
+# Create a ruby-gem pakcage with doc
+#
+# Required: rubygem, yard
+
+set -eu
+
+GEM_CONFIG="./jekyll-theme-chirpy.gemspec"
+
+if [[ ! -f $GEM_CONFIG ]]; then
+  echo "Error: .gemspec file not found!"
+  exit -1
+fi
+
+if [[ -d doc ]]; then
+  rm -rf doc
+fi
+
+yard doc
+
+gem build "$GEM_CONFIG"
diff --git a/tools/pv.sh b/tools/pv.sh
deleted file mode 100755
index c0064e1..0000000
--- a/tools/pv.sh
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/usr/bin/env bash
-#
-# Fetch Google Analytics Pageviews reporting cache
-# and save as 'assets/data/pagevies.json'
-#
-# Requirement:
-#   - jq
-#   - wget
-
-set -eu
-
-WORK_DIR="$(dirname "$(dirname "$(realpath "$0")")")"
-URL_FILE="${WORK_DIR}/_config.yml"
-PV_CACHE="${WORK_DIR}/assets/js/data/pageviews.json"
-
-PROXY_URL="$(grep "proxy_endpoint:" "$URL_FILE" | sed "s/.*: '//g;s/'.*//")"
-
-wget "$PROXY_URL" -O "$PV_CACHE"
-
-echo "ls $PV_CACHE"