diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,6 +1,8 @@
 # ESP32 MPPT
 
- **HW6.4** 
+2023-07-15 **HW6.4**
+ 
+全板整合输出控制及理想二极管
 
 ![输入图片说明](images/%E5%BE%AE%E4%BF%A1%E6%88%AA%E5%9B%BE_20230715161543.png)