diff --git a/README.md b/README.md
index 8d87faa..1066973 100644
--- a/README.md
+++ b/README.md
@@ -95,6 +95,7 @@ plt.figure(figsize=(15,8))
 plt.plot(CLOSE,label='SHZS');    plt.plot(up,label='UP');           #画图显示 
 plt.plot(mid,label='MID');       plt.plot(lower,label='LOW');
 plt.plot(MA10,label='MA10',linewidth=0.5,alpha=0.7);
+plt.legend()
 plt.show()
 ```