diff --git a/readme.md b/readme.md
index a580d56..c486f55 100644
--- a/readme.md
+++ b/readme.md
@@ -17,7 +17,7 @@
 - [数据挖掘实践（资金流入流出预测）](https://github.com/datawhalechina/team-learning-data-mining/tree/master/PurchaseAndRedemptionForecast)
 - [数据挖掘实践（学术前沿趋势分析）](https://github.com/datawhalechina/team-learning-data-mining/tree/master/AcademicTrends)
 - [数据挖掘实践（气象海洋预测）](https://github.com/datawhalechina/team-learning-data-mining/tree/master/WeatherOceanForecasts)
-- [数据挖掘实践（城市管理大数据）]（https://github.com/datawhalechina/team-learning-data-mining/tree/master/CityManagement)
+- [数据挖掘实践（城市管理大数据）](https://github.com/datawhalechina/team-learning-data-mining/tree/master/CityManagement)