diff --git a/README.md b/README.md
index 7b7ba3215..bf8f90f30 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ PikaScript is an ultra lightweight Python engine with zero dependencies and zero
 | --- | --- | --- | --- | --- |
 | Time | **OK** |  **OK** | **OK** | **OK** | 
 | GPIO | **OK** | **OK** | **OK** | **OK** |
-| PWM | **OK** | Not Started | Not Started | Not Started |
+| PWM | **OK** | **OK** | Not Started | Not Started |
 | ADC | **OK** | **OK** | **OK** | **OK** |
 | DAC |  Doing by [pikasTech](https://github.com/pikasTech) | No Device | Not Started | Not Started |
 | Flash | Doing by [pikasTech](https://github.com/pikasTech) | Doing by [pikasTech](https://github.com/pikasTech) | Not Started | Not Started |