diff --git a/HARDWARE/IMG/HW.jpg b/HARDWARE/IMG/HW.jpg
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diff --git a/HARDWARE/IMG/SHC.png b/HARDWARE/IMG/SHC.png
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diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -44,5 +44,15 @@
 
 ## 展示
 
+电路图：
+[ProProject_Danger-alarm_2024-03-21.epro](https://git.aixiao.me/aixiao/Danger-alarm/src/branch/main/HARDWARE/ProProject_Danger-alarm_2024-03-21.epro)  
+![brief](HARDWARE/IMG/SHC.PNG)  
+
+硬件：
+![brief](HARDWARE/IMG/HW.jpg)  
+
+同步到Mysql：
 ![brief](HARDWARE/IMG/db.jpg)  
+
+433MHZ通信：
 ![brief](HARDWARE/IMG/display.png)