diff --git a/test/unittest/src/cm_test_common.cpp b/test/unittest/src/cm_test_common.cpp
index 54044c27204925519d64d4d0e671859305c66bd6..030829a0c05ca30e108d724ec991adbb31e2bf1a 100644
--- a/test/unittest/src/cm_test_common.cpp
+++ b/test/unittest/src/cm_test_common.cpp
@@ -90,7 +90,7 @@ void SetATPermission(void)
     SetSelfTokenID(tokenId);
     OHOS::Security::AccessToken::AccessTokenKit::ReloadNativeTokenInfo();
     if (firstRun) {
-        system("pidof accesstoken_ser | xargs kill -9");
+        system("pidof accesstoken_service | xargs kill -9");
         sleep(SLEEP_TIME);
         firstRun = false;
     }