diff --git a/README.md b/README.md
index 7176603..b18f937 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,8 @@
 # BAT09-A_front
 
-电池挤压针刺热失控一体试验机
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+电池挤压针刺热失控一体试验机
+
+--------------------------
+2025-3-27 
+主分支 main 
+开发分支dev
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