diff --git a/mindspore/lite/src/lite_mindrt.cc b/mindspore/lite/src/lite_mindrt.cc
index 00452088a95..ab4ea575ae5 100644
--- a/mindspore/lite/src/lite_mindrt.cc
+++ b/mindspore/lite/src/lite_mindrt.cc
@@ -727,6 +727,9 @@ std::vector<std::shared_ptr<LiteOpActor>> CreateOpActor(const std::vector<kernel
     return actors;
   }
   for (auto &kernel : kernels) {
+    /* make subgraph name (actor name) unique */
+    kernel->set_name(kernel->name() + to_string(actor_count++));
+
     if ((kernel::LiteKernelUtil::IsSwitchCall(kernel))) {
       auto switch_actor = std::make_shared<LiteSwitchOpActor>(kernel);
       if (switch_actor == nullptr) {
diff --git a/mindspore/lite/src/lite_mindrt.h b/mindspore/lite/src/lite_mindrt.h
index cb362ab4955..2edd9ce8455 100644
--- a/mindspore/lite/src/lite_mindrt.h
+++ b/mindspore/lite/src/lite_mindrt.h
@@ -150,6 +150,7 @@ class LiteSwitchOpActor : public LiteOpActor {
 int MindrtInit();
 void MindrtTerminate(const std::vector<std::shared_ptr<LiteOpActor>> &);
 
+static std::atomic_int64_t actor_count = 0;
 std::vector<std::shared_ptr<LiteOpActor>> CreateOpActor(const std::vector<kernel::LiteKernel *> &kernels,
                                                         const lite::InnerContext *ctx);
 }  // namespace mindspore::lite