diff --git a/lite/core/mir/memory_optimize_pass.cc b/lite/core/mir/memory_optimize_pass.cc
index ef6dfcff0980b4831c446f7abe501a0752b26508..1f2355e8a3205cce3410bd2cb6ac4a17d8fde602 100644
--- a/lite/core/mir/memory_optimize_pass.cc
+++ b/lite/core/mir/memory_optimize_pass.cc
@@ -49,6 +49,7 @@ void MemoryOptimizePass::CollectLifeCycleByDevice(
                                         "equal",
                                         "lod_reset",
                                         "concat",
+                                        "yolo_box",
                                         "graph_op",
                                         "feed",
                                         "fetch"};