diff --git a/README.md b/README.md
index 94a9d2bf1..3100527fb 100755
--- a/README.md
+++ b/README.md
@@ -153,3 +153,4 @@ usr sys idl wai hiq siq| read  writ| recv  send|  in   out | int   csw
 beijing, 2013
 Winlin
 
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