diff --git a/kernel_lite/ipc_posix/signal/SignalTestUtils.cpp b/kernel_lite/ipc_posix/signal/SignalTestUtils.cpp
index f3fd5ea7786b2e487e7267a8af84d73ea2df5142..71cebcd2f7c678ae6c950d267df5c213ac7796f3 100755
--- a/kernel_lite/ipc_posix/signal/SignalTestUtils.cpp
+++ b/kernel_lite/ipc_posix/signal/SignalTestUtils.cpp
@@ -29,6 +29,7 @@ int IpcSignalTest::mReceivedSignal = 0;
 int IpcSignalTest::mShmid = 0;
 siginfo_t IpcSignalTest::mSiginfo;
 
+
 // special signal hander for function 'abort'
 void IpcSignalTest::SigAbortHandler(int signum)
 {