diff --git a/lab1126/note3.md b/lab1126/note3.md
index 899a58156efa0bc21402fa49e5a84c88683e75d7..e39747382f284dc9d02204ade37975dca0051b29 100644
--- a/lab1126/note3.md
+++ b/lab1126/note3.md
@@ -1 +1,4 @@
 # 1126 Lab
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