diff --git a/Setup/readme.txt b/Setup/readme.txt
index 0db03fd7..40a886fc 100644
--- a/Setup/readme.txt
+++ b/Setup/readme.txt
@@ -25,4 +25,4 @@ IAR EWARM：*.ewp
 
 
                                                         CosyOS
-                                                    2025.05.20
\ No newline at end of file
+                                                    2025.05.21
\ No newline at end of file