diff --git a/paddle/operators/sum_op.cu b/paddle/operators/sum_op.cu
index 7129e6bf62d5608037c683add68412166ac86c81..b1896d3cd87f47bd2573287ee37b1b72ae9ec6e8 100644
--- a/paddle/operators/sum_op.cu
+++ b/paddle/operators/sum_op.cu
@@ -13,4 +13,4 @@ limitations under the License. */
 #include "paddle/operators/sum_op.h"
 
 namespace ops = paddle::operators;
-REGISTER_OP_GPU_KERNEL(sum, ops::SumKernel<paddle::platform::GPUPlace, float>);
\ No newline at end of file
+REGISTER_OP_GPU_KERNEL(sum, ops::SumKernel<paddle::platform::GPUPlace, float>);