diff --git a/paddle/fluid/framework/fleet/heter_ps/cudf/concurrent_unordered_map.cuh.h b/paddle/fluid/framework/fleet/heter_ps/cudf/concurrent_unordered_map.cuh.h
index 8b04d703c8898b7949c22e45fa9a3f58e9e44e03..266508eb4de6c15581ee0d9fa49b3e01cad997fc 100644
--- a/paddle/fluid/framework/fleet/heter_ps/cudf/concurrent_unordered_map.cuh.h
+++ b/paddle/fluid/framework/fleet/heter_ps/cudf/concurrent_unordered_map.cuh.h
@@ -12,6 +12,10 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ *
+ * This source code refers to https://github.com/rapidsai/cudf
+ * and is licensed under the license found in the LICENSE file
+ * in the root directory of this source tree.
  */
 
 #ifndef CONCURRENT_UNORDERED_MAP_CUH
diff --git a/paddle/fluid/framework/fleet/heter_ps/cudf/hash_functions.cuh b/paddle/fluid/framework/fleet/heter_ps/cudf/hash_functions.cuh
index 9264bd0a21c8bb4badb953c06919241963375174..aae2aaaaca0e23a302dc478f372f17151d6eea28 100644
--- a/paddle/fluid/framework/fleet/heter_ps/cudf/hash_functions.cuh
+++ b/paddle/fluid/framework/fleet/heter_ps/cudf/hash_functions.cuh
@@ -12,6 +12,10 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ *
+ * This source code refers to https://github.com/rapidsai/cudf
+ * and is licensed under the license found in the LICENSE file
+ * in the root directory of this source tree.
  */
 
 #ifndef HASH_FUNCTIONS_CUH
diff --git a/paddle/fluid/framework/fleet/heter_ps/cudf/managed.cuh b/paddle/fluid/framework/fleet/heter_ps/cudf/managed.cuh
index a0e34c66f0b2a36aa08cf6d382b76eaaaaeb991a..1b0c31554108fef350cc8aea042572fb7cfa02c0 100644
--- a/paddle/fluid/framework/fleet/heter_ps/cudf/managed.cuh
+++ b/paddle/fluid/framework/fleet/heter_ps/cudf/managed.cuh
@@ -12,6 +12,10 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ *
+ * This source code refers to https://github.com/rapidsai/cudf
+ * and is licensed under the license found in the LICENSE file
+ * in the root directory of this source tree.
  */
 
 #ifndef MANAGED_CUH
diff --git a/paddle/fluid/framework/fleet/heter_ps/cudf/managed_allocator.cuh b/paddle/fluid/framework/fleet/heter_ps/cudf/managed_allocator.cuh
index 62c7d7aa74d9dfabb2b3f389ad24f2943ed504b1..a052bc61af22a7a97db60ece2fc95890b3984b48 100644
--- a/paddle/fluid/framework/fleet/heter_ps/cudf/managed_allocator.cuh
+++ b/paddle/fluid/framework/fleet/heter_ps/cudf/managed_allocator.cuh
@@ -12,6 +12,10 @@
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
+ *
+ * This source code refers to https://github.com/rapidsai/cudf
+ * and is licensed under the license found in the LICENSE file
+ * in the root directory of this source tree.
  */
 
 #ifndef MANAGED_ALLOCATOR_CUH