diff --git a/paddle/fluid/operators/linear_chain_crf_op.cc b/paddle/fluid/operators/linear_chain_crf_op.cc
index f6b090cf5f4fcc50fd56f7cc5839c1505934e2a5..a94704a7282f4962c981e1a106cfe5e056fc0f90 100644
--- a/paddle/fluid/operators/linear_chain_crf_op.cc
+++ b/paddle/fluid/operators/linear_chain_crf_op.cc
@@ -14,6 +14,8 @@ limitations under the License. */
 
 #include "paddle/fluid/operators/linear_chain_crf_op.h"
 
+#include <memory>
+
 namespace paddle {
 namespace operators {