diff --git a/README.md b/README.md
index 5229d3289..e2810d328 100644
--- a/README.md
+++ b/README.md
@@ -200,7 +200,7 @@ Here is an example to download the latest data.
 ```bash
 wget https://github.com/chenditc/investment_data/releases/latest/download/qlib_bin.tar.gz
 mkdir -p ~/.qlib/qlib_data/cn_data
-tar -zxvf qlib_bin.tar.gz -C ~/.qlib/qlib_data/cn_data --strip-components=1
+tar -zxvf qlib_bin.tar.gz -C ~/.qlib/qlib_data/cn_data --strip-components=2
 rm -f qlib_bin.tar.gz
 ```
 
diff --git a/scripts/data_collector/cn_index/collector.py b/scripts/data_collector/cn_index/collector.py
index 237df6fe8..fb6914d24 100644
--- a/scripts/data_collector/cn_index/collector.py
+++ b/scripts/data_collector/cn_index/collector.py
@@ -23,7 +23,9 @@ from data_collector.utils import get_calendar_list, get_trading_date_by_shift, d
 from data_collector.utils import get_instruments
 
 
-NEW_COMPANIES_URL = "https://csi-web-dev.oss-cn-shanghai-finance-1-pub.aliyuncs.com/static/html/csindex/public/uploads/file/autofile/cons/{index_code}cons.xls"
+NEW_COMPANIES_URL = (
+    "https://oss-ch.csindex.com.cn/static/html/csindex/public/uploads/file/autofile/cons/{index_code}cons.xls"
+)
 
 
 INDEX_CHANGES_URL = "https://www.csindex.com.cn/csindex-home/search/search-content?lang=cn&searchInput=%E5%85%B3%E4%BA%8E%E8%B0%83%E6%95%B4%E6%B2%AA%E6%B7%B1300%E5%92%8C%E4%B8%AD%E8%AF%81%E9%A6%99%E6%B8%AF100%E7%AD%89%E6%8C%87%E6%95%B0%E6%A0%B7%E6%9C%AC&pageNum={page_num}&pageSize={page_size}&sortField=date&dateRange=all&contentType=announcement"