diff --git a/ge/graph/build/stream_allocator.cc b/ge/graph/build/stream_allocator.cc
index bbbc138c..4378f71b 100644
--- a/ge/graph/build/stream_allocator.cc
+++ b/ge/graph/build/stream_allocator.cc
@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-,
+
 #include "graph/build/stream_allocator.h"
 #include <algorithm>
 #include <memory>