diff --git a/python/examples/lac/get_data.sh b/python/examples/lac/get_data.sh
index 9bfd5823eedd63c3b5f3500296879e3e5770311d..29e6a6b2b3e995f78c37e15baf2f9a3b627ca9ef 100644
--- a/python/examples/lac/get_data.sh
+++ b/python/examples/lac/get_data.sh
@@ -1 +1,2 @@
 wget --no-check-certificate https://paddle-serving.bj.bcebos.com/lac/lac_model_jieba_web.tar.gz
+tar -zxvf lac_model_jieba_web.tar.gz