diff --git a/src/ge/client/ge_api.cc b/src/ge/client/ge_api.cc
index 44dd9239..58eb3b64 100644
--- a/src/ge/client/ge_api.cc
+++ b/src/ge/client/ge_api.cc
@@ -13,6 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
+KK
 
 #include "ge/ge_api.h"
 #include <iostream>