diff --git a/testsuites/kernel/src/osTest.c b/testsuites/kernel/src/osTest.c
index 38437458fdc5045ecf24b2620d8537ba2a3d07b6..9605f3f7157640d7125003fea98f1d9cf1d1f67d 100644
--- a/testsuites/kernel/src/osTest.c
+++ b/testsuites/kernel/src/osTest.c
@@ -454,7 +454,7 @@ VOID TestTaskEntry(VOID)
 #if (TEST_MODULE_CHECK == 1)
         for (int i = 0; i < g_modelNum - 1; i++) {
             if (g_executModelNum[i] != 0) {
-                dprintf("\nExecuted Model: %s, Executed Model_Num: %d ,failed_count: %d , sucess_count :%d",
+                dprintf("\nExecuted Model: %s, Executed Model_Num: %d ,failed_count: %d , success_count :%d",
                     g_strModule[i], g_executModelNum[i], g_failModelResult[i], g_passModelResult[i]);
             }
             for (int j = 0; j < g_failResult && j < 50; j++) { // 50
diff --git a/testsuites/unittest/extended/signal/full/signal_test_029.cpp b/testsuites/unittest/extended/signal/full/signal_test_029.cpp
index 22379f75d10a5ffe5c5255342139bcf602fc2ce4..45d7f5250abda0fdcba15a5848f6945aedc1e08f 100644
--- a/testsuites/unittest/extended/signal/full/signal_test_029.cpp
+++ b/testsuites/unittest/extended/signal/full/signal_test_029.cpp
@@ -35,7 +35,7 @@ static int g_sigCount = 0;
 static void SigPrint(int signum)
 {
     g_sigCount++;
-    printf("signal receive sucess\n");
+    printf("signal receive success\n");
 }
 
 static UINT32 TestCase(VOID)
@@ -101,7 +101,7 @@ static UINT32 TestCase(VOID)
     sleep(1);
     ret = kill(pid, SIGUSR1);
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
-    printf("kill sucess\n");
+    printf("kill success\n");
     ret = waitpid(pid, &status, 0);
     ICUNIT_ASSERT_EQUAL(ret, pid, ret);
     ICUNIT_ASSERT_EQUAL(WEXITSTATUS(status), LOS_OK, WEXITSTATUS(status));
diff --git a/testsuites/unittest/extended/signal/full/signal_test_030.cpp b/testsuites/unittest/extended/signal/full/signal_test_030.cpp
index 05fe5691bee615595f0ab4696a5b08b940bda582..563f1273c21a6fde42d1d6bbebfb7d857f174b95 100644
--- a/testsuites/unittest/extended/signal/full/signal_test_030.cpp
+++ b/testsuites/unittest/extended/signal/full/signal_test_030.cpp
@@ -35,7 +35,7 @@ static int g_sigCount = 0;
 static void SigPrint(int sig)
 {
     g_sigCount++;
-    printf("signal receive sucess\n");
+    printf("signal receive success\n");
 }
 
 static UINT32 TestCase(VOID)
@@ -68,7 +68,7 @@ static UINT32 TestCase(VOID)
     sleep(1);
     ret = kill(pid, SIGUSR1);
     ICUNIT_ASSERT_EQUAL(ret, 0, ret);
-    printf("kill sucess\n");
+    printf("kill success\n");
     wait(&ret);
     ICUNIT_ASSERT_EQUAL(WEXITSTATUS(ret), LOS_OK, WEXITSTATUS(ret));
     return LOS_OK;
diff --git a/testsuites/unittest/extended/signal/full/signal_test_033.cpp b/testsuites/unittest/extended/signal/full/signal_test_033.cpp
index dc290704e3d529f9fa6948a19ba537eee881a7e0..11d725d4f7e317258b94224e62eea0081aa20a6d 100644
--- a/testsuites/unittest/extended/signal/full/signal_test_033.cpp
+++ b/testsuites/unittest/extended/signal/full/signal_test_033.cpp
@@ -36,13 +36,13 @@ static int g_sigCount1 = 0;
 static void SigPrint(int sig)
 {
     g_sigCount++;
-    printf("signal receive sucess\n");
+    printf("signal receive success\n");
 }
 
 static void SigPrint1(int sig)
 {
     g_sigCount1++;
-    printf("signal receive sucess\n");
+    printf("signal receive success\n");
 }
 
 static UINT32 TestCase(VOID)
diff --git a/testsuites/unittest/extended/signal/full/signal_test_040.cpp b/testsuites/unittest/extended/signal/full/signal_test_040.cpp
index 3750d403f71a0a4a53690c08e94621ce8f5b6939..76654c6a02c579c612ff79b832f04977fef3a522 100644
--- a/testsuites/unittest/extended/signal/full/signal_test_040.cpp
+++ b/testsuites/unittest/extended/signal/full/signal_test_040.cpp
@@ -37,7 +37,7 @@ static void SigPrint(int sig)
 {
     (void)sig;
     g_sigCount++;
-    printf("signal receive sucess\n");
+    printf("signal receive success\cn");
 }
 
 static UINT32 TestCase(VOID)
diff --git a/testsuites/unittest/extended/signal/smoke/signal_test_032.cpp b/testsuites/unittest/extended/signal/smoke/signal_test_032.cpp
index d43add02622ff577684ae309d272b17b4b821c46..9c0416a860d07a3222f85df454cb92a74ed73a93 100644
--- a/testsuites/unittest/extended/signal/smoke/signal_test_032.cpp
+++ b/testsuites/unittest/extended/signal/smoke/signal_test_032.cpp
@@ -36,7 +36,7 @@ static void SigPrint(int sig)
 {
     (void)sig;
     g_sigCount++;
-    printf("signal receive sucess\n");
+    printf("signal receive success\n");
 }
 
 static UINT32 TestCase(VOID)