diff --git a/README.md b/README.md
index 2ae7cc5..5dc1543 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,8 @@
 # tz_crypto_pub
 
 天择加密量化开放框架下载命令：
+初次安装：
+git clone http://112.124.49.128:3000/tzquant_zq/tz_crypto_pub && cd tz_crypto_pub && sh init_bash.sh && python3 tz_crypto_bt.py
 
-git clone http://112.124.49.128:3000/tzquant_zq/tz_crypto_pub && cd tz_crypto_pub && sh init_bash.sh && python3 tz_crypto_bt.py
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+初次已经安装好环境更新框架：
+rm -rf tz_crypto_pub && git clone http://112.124.49.128:3000/tzquant_zq/tz_crypto_pub && python3 tz_crypto_bt.py
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