diff --git a/ge/graph/preprocess/multi_batch_copy_graph.cc b/ge/graph/preprocess/multi_batch_copy_graph.cc
index 9ab74d70..a90f145e 100644
--- a/ge/graph/preprocess/multi_batch_copy_graph.cc
+++ b/ge/graph/preprocess/multi_batch_copy_graph.cc
@@ -1407,11 +1407,13 @@ Status MultiBatchGraphCopyer::InsertIdentityAfterSwitchN() {
 }
 
 Status ProcessMultiBatch(ComputeGraphPtr &graph) {
-  const char *multi_batch_with_case = std::getenv("MULTI_BATCH_WITH_CASE");
-  if (multi_batch_with_case != nullptr) {
-    PassManager pass_manager;
-    GE_CHK_STATUS_RET(pass_manager.AddPass("MultiBatchClonePass", new (std::nothrow) MultiBatchClonePass));
-    return pass_manager.Run(graph);
+  if (GetLocalOmgContext().dynamic_node_type.empty()) {
+    const char *multi_batch_with_switchn = std::getenv("MULTI_BATCH_WITH_SWITCHN");
+    if (multi_batch_with_switchn == nullptr) {
+      PassManager pass_manager;
+      GE_CHK_STATUS_RET(pass_manager.AddPass("MultiBatchClonePass", new (std::nothrow) MultiBatchClonePass));
+      return pass_manager.Run(graph);
+    }
   }
   if (!GetLocalOmgContext().need_multi_batch) {
     GELOGI("No need to process_multi for no_train graph.");