diff --git a/README.md b/README.md
index 9b6f172..a4dedb3 100644
--- a/README.md
+++ b/README.md
@@ -5,5 +5,5 @@
 ## 数据预处理 | 第1天
 
 <p align="center">
-  <img src="">
+  <img src="https://github.com/MachineLearning100/100-Days-Of-ML-Code/blob/master/Info-graphs/Day%201.jpg">
 </p>