diff --git a/sources/tech/awk/Part 13 - How to Write Scripts Using Awk Programming Language.md b/sources/tech/awk/Part 13 - How to Write Scripts Using Awk Programming Language.md
index 05ef0902fe..5c5c784af8 100644
--- a/sources/tech/awk/Part 13 - How to Write Scripts Using Awk Programming Language.md	
+++ b/sources/tech/awk/Part 13 - How to Write Scripts Using Awk Programming Language.md	
@@ -1,3 +1,4 @@
+chunyang-wen doing
 Part 13 - How to Write Scripts Using Awk Programming Language
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diff --git a/sources/tech/awk/part 12 - How to Use Flow Control Statements in Awk.md b/sources/tech/awk/part 12 - How to Use Flow Control Statements in Awk.md
index 37bd91461f..98ac1d99a2 100644
--- a/sources/tech/awk/part 12 - How to Use Flow Control Statements in Awk.md	
+++ b/sources/tech/awk/part 12 - How to Use Flow Control Statements in Awk.md	
@@ -1,3 +1,4 @@
+chunyang-wen doing
 How to Use Flow Control Statements in Awk - part12
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