diff --git a/CHANGELOG.md b/CHANGELOG.md
index c15b299..e1d761f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,6 @@
 # 3.16
 
-- Use internal pkg download link
-- keep it private, 闭源
+- Use github vector pkg download link
 
 # 3.15
 
diff --git a/README.md b/README.md
index 8e0947f..58f60a1 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,5 @@
-# Caution: this project is Out of Service!!!
-
-We are sorry, but you can read the codes and implement by yourself or use other packages.
-
-在维护这个项目上，我们投入了大量的时间和资金成本，现在 Chatopera 会尽可能的维护有限的开源项目以保证质量。
+[![PyPI](https://img.shields.io/pypi/v/synonyms.svg)](https://pypi.python.org/pypi/synonyms) [![](https://img.shields.io/pypi/pyversions/synonyms.svg)](https://pypi.org/pypi/synonyms/) [![](https://img.shields.io/pypi/l/synonyms.svg)](https://pypi.org/pypi/synonyms/) [![](https://img.shields.io/pypi/status/synonyms.svg)](https://pypi.org/pypi/synonyms/)
+[![](https://img.shields.io/pypi/format/synonyms.svg)](https://pypi.org/pypi/synonyms/)
 
 # Synonyms
 
diff --git a/VALUATION.md b/VALUATION.md
index d468a4a..0023b75 100644
--- a/VALUATION.md
+++ b/VALUATION.md
@@ -1,4 +1,4 @@
-# synonyms 分数评测 [(v3.13.0)](https://pypi.python.org/pypi/synonyms/3.13.0)
+# synonyms 分数评测 [(v3.16.0)](https://pypi.python.org/pypi/synonyms/3.16.0)
 | 词1 |  词2 |   synonyms  |  人工评定 |
 | --- | --- | --- | --- |
 | 轿车 | 汽车 | 0.892  |  0.98 |
diff --git a/scripts/publish.sh b/scripts/package.sh
similarity index 76%
rename from scripts/publish.sh
rename to scripts/package.sh
index 474e39f..b81adb4 100755
--- a/scripts/publish.sh
+++ b/scripts/package.sh
@@ -22,8 +22,9 @@ if [ -f synonyms/data/words.vector.gz ]; then
     mv synonyms/data/words.vector.gz tmp
 fi
 
+rm -rf ./dist/*
 python setup.py sdist
 # python setup.py sdist upload -r pypi
 mv tmp/words.vector.gz synonyms/data/words.vector.gz
 
-echo "Now upload ./dist/synonyms-xxx.tar.gz to `corsair:/static/ml/synonyms` download from http://192.168.2.217:30080/ml/synonyms/"
\ No newline at end of file
+echo "For internal package downloading, now upload ./dist/synonyms-xxx.tar.gz to corsair:/static/ml/synonyms download from http://192.168.2.217:30080/ml/synonyms/"
\ No newline at end of file
diff --git a/scripts/pypi.sh b/scripts/pypi.sh
new file mode 100755
index 0000000..71059da
--- /dev/null
+++ b/scripts/pypi.sh
@@ -0,0 +1,16 @@
+#! /bin/bash 
+###########################################
+# publish package to pypi
+###########################################
+
+# constants
+baseDir=$(cd `dirname "$0"`;pwd)
+export PYTHONUNBUFFERED=1
+export PATH=/opt/miniconda3/envs/venv-py3/bin:$PATH
+
+# functions
+
+# main 
+[ -z "${BASH_SOURCE[0]}" -o "${BASH_SOURCE[0]}" = "$0" ] || return
+cd $baseDir/..
+python setup.py upload -r pypi
diff --git a/synonyms/synonyms.py b/synonyms/synonyms.py
index 5e96ad0..3f5a2e9 100755
--- a/synonyms/synonyms.py
+++ b/synonyms/synonyms.py
@@ -124,7 +124,7 @@ def keywords(sentence, topK=5, withWeight=False, allowPOS=()):
 word embedding
 '''
 # vectors
-_f_url = os.environ.get("SYNONYMS_WORD2VEC_BIN_URL_ZH_CN", "http://192.168.2.217:30080/ml/synonyms/words.vector.gz")
+_f_url = os.environ.get("SYNONYMS_WORD2VEC_BIN_URL_ZH_CN", "https://github.com/chatopera/Synonyms/releases/download/3.15.0/words.vector.gz")
 _f_model = os.path.join(curdir, 'data', 'words.vector.gz')
 _download_model = not os.path.exists(_f_model)
 if "SYNONYMS_WORD2VEC_BIN_MODEL_ZH_CN" in ENVIRON: