diff --git a/paddle/fluid/operators/sampling_id_op.cc b/paddle/fluid/operators/sampling_id_op.cc
index 20e3d43217d7f96b0cc03ce7f2391f0da1e4766a..b9e3b0372d6aea2c043d9ed1c15d4016af05d2b4 100644
--- a/paddle/fluid/operators/sampling_id_op.cc
+++ b/paddle/fluid/operators/sampling_id_op.cc
@@ -58,7 +58,8 @@ SamplingId Operator.
 
 namespace ops = paddle::operators;
 REGISTER_OP_CUDA_KERNEL(
-    slice, ops::SamplingIdKernel<paddle::platform::CUDADeviceContext, float>,
+    sampling_id,
+    ops::SamplingIdKernel<paddle::platform::CUDADeviceContext, float>,
     ops::SamplingIdKernel<paddle::platform::CUDADeviceContext, double>,
     ops::SamplingIdKernel<paddle::platform::CUDADeviceContext, int>,
     ops::SamplingIdKernel<paddle::platform::CUDADeviceContext, int64_t>);
diff --git a/paddle/fluid/operators/sampling_id_op.cu b/paddle/fluid/operators/sampling_id_op.cu
index 4fa10de2cde2e60ab0d9ddb438427d5fd9ac13c6..f82ba68ce4fb08e7069baa267dd22c9cbda1cd80 100644
--- a/paddle/fluid/operators/sampling_id_op.cu
+++ b/paddle/fluid/operators/sampling_id_op.cu
@@ -30,11 +30,11 @@ class SamplingIdOp : public framework::OperatorWithKernel {
 }  // namespace paddle
 
 namespace ops = paddle::operators;
-REGISTER_OPERATOR(samplingid, ops::SamplingIdOp, ops::SamplingIdOpMaker,
+REGISTER_OPERATOR(sampling_id, ops::SamplingIdOp, ops::SamplingIdOpMaker,
                   paddle::framework::EmptyGradOpMaker);
 
 REGISTER_OP_CPU_KERNEL(
-    slice, ops::SamplingIdKernel<paddle::platform::CPUDeviceContext, int>,
+    sampling_id, ops::SamplingIdKernel<paddle::platform::CPUDeviceContext, int>,
     ops::SamplingIdKernel<paddle::platform::CPUDeviceContext, int64_t>,
     ops::SamplingIdKernel<paddle::platform::CPUDeviceContext, float>,
     ops::SamplingIdKernel<paddle::platform::CPUDeviceContext, double>);