diff --git a/README.md b/README.md
index ceb8f8ebcc9a9698dd4cea4d750a512bb3c5d25e..e725372b7b0866e1932afb4593caeeef5b546999 100644
--- a/README.md
+++ b/README.md
@@ -130,6 +130,7 @@ git clone --depth 1 https://github.com/labuladong/fucking-algorithm.git
 [andavid](https://github.com/andavid), 
 [build2645](https://github.com/build2645), 
 [CarrieOn](https://github.com/CarrieOn), 
+[Dong Wang](https://github.com/Coder2Programmer), 
 [Fulin Li](https://fulinli.github.io/), 
 [Funnyyanne](https://github.com/Funnyyanne), 
 [GYHHAHA](https://github.com/GYHHAHA), 
@@ -152,6 +153,8 @@ git clone --depth 1 https://github.com/labuladong/fucking-algorithm.git
 [sunqiuming526](https://github.com/sunqiuming526), 
 [Tianhao Zhou](https://github.com/tianhaoz95), 
 [timmmGZ](https://github.com/timmmGZ), 
+[tommytim0515](https://github.com/tommytim0515), 
+[upbin](https://github.com/upbin), 
 [wadegrc](https://github.com/wadegrc), 
 [walsvid](https://github.com/walsvid), 
 [warmingkkk](https://github.com/warmingkkk),