diff --git a/CLinuxMutex.cpp b/CLinuxMutex.cpp
index dc877e5..a5d0346 100755
--- a/CLinuxMutex.cpp
+++ b/CLinuxMutex.cpp
@@ -57,7 +57,7 @@ bool CLinuxMutex::Lock()
     return locked;
 
 }
-
+//test sjj make some change
 bool CLinuxMutex::UnLock()
 {
 	int result;