diff --git a/ge/graph/load/new_model_manager/davinci_model.cc b/ge/graph/load/new_model_manager/davinci_model.cc
index 13ffbaf0..86bfaef1 100755
--- a/ge/graph/load/new_model_manager/davinci_model.cc
+++ b/ge/graph/load/new_model_manager/davinci_model.cc
@@ -2804,9 +2804,14 @@ void *DavinciModel::Run(DavinciModel *model) {
 
         GELOGI("rtStreamSynchronize start.");
         rt_ret = rtStreamSynchronize(model->rt_model_stream_);
-        GE_IF_BOOL_EXEC(rt_ret != RT_ERROR_NONE, rslt_flg = false;
-                        (void)model->ReturnResult(current_data.index, false, seq_end_flag, data_wrapper->GetOutput());
-                        continue);  // [No need to check value]
+        if (rt_ret == RT_ERROR_MODEL_ABORT_NORMAL) {
+          GELOGW("rtStreamSynchronize get result : RT_ERROR_MODEL_ABORT_NORMAL, abort model normal");
+        } else {
+          GE_IF_BOOL_EXEC(rt_ret != RT_ERROR_NONE, rslt_flg = false;
+                          (void)model->ReturnResult(current_data.index, false, seq_end_flag, data_wrapper->GetOutput());
+                          continue);  // [No need to check value]
+        }
+
         GELOGI("rtStreamSynchronize end.");
         (void)ProfilingManager::Instance().StopProfiling();  // just profiling, no need to check value
       }
@@ -2827,12 +2832,17 @@ void *DavinciModel::Run(DavinciModel *model) {
       if (rt_ret == kEndOfSequence || rt_ret == kEndOfSequenceNew) {
         seq_end_flag = true;
       }
-      GE_IF_BOOL_EXEC(
+      if (rt_ret == RT_ERROR_MODEL_ABORT_NORMAL) {
+        GELOGW("rtStreamSynchronize get result : RT_ERROR_MODEL_ABORT_NORMAL, abort model normal");
+      } else {
+        GE_IF_BOOL_EXEC(
           rt_ret != RT_ERROR_NONE, rslt_flg = false; GELOGI("seq_end_flg: %d", seq_end_flag);
           (void)model->ReturnResult(current_data.index, false, seq_end_flag,
                                     data_wrapper->GetOutput());  // [No need to check value]
           CsaInteract::GetInstance().StoreInternalErrorCode(rt_ret, ERROR_MODULE_RUNTIME, JOBSUBSTATE_GRAPH_EXEC);
           continue);
+      }
+
       GELOGI("rtStreamSynchronize end.");
       GE_IF_BOOL_EXEC(model->is_first_execute_,
                       GE_TIMESTAMP_EVENT_END(rtStreamSynchronize, "GraphExcute::Wait for rtStreamSynchronize"));
diff --git a/ge/graph/passes/compile_nodes_pass.cc b/ge/graph/passes/compile_nodes_pass.cc
index eff5ed78..990c214b 100755
--- a/ge/graph/passes/compile_nodes_pass.cc
+++ b/ge/graph/passes/compile_nodes_pass.cc
@@ -35,7 +35,7 @@ const char *const kAICPUKernelLibName = "aicpu_tf_kernel";
 namespace ge {
 graphStatus CompileNodesPass::Run(ComputeGraphPtr graph) {
   GE_TIMESTAMP_START(CompileNodesPass);
-  GELOGI("[CompileNodesPass]: optimize begin.");
+  GELOGD("[CompileNodesPass]: optimize begin.");
   if (graph == nullptr) {
     return GRAPH_SUCCESS;
   }
@@ -81,7 +81,7 @@ graphStatus CompileNodesPass::Run(ComputeGraphPtr graph) {
     GELOGE(result, "Compile op failed.");
     return result;
   }
-  GELOGI("[CompileNodesPass]: Optimize success.");
+  GELOGD("[CompileNodesPass]: Optimize success.");
   GE_TIMESTAMP_EVENT_END(CompileNodesPass, "OptimizeStage2::ControlAttrOptimize::CompileNodesPass");
   return GRAPH_SUCCESS;
 }
@@ -111,20 +111,24 @@ graphStatus CompileNodesPass::GetSupportedKernel(const NodePtr &node, const std:
   }
   // begin accuracy supported check
   if (!CheckAccuracySupport(kernel_info, instance, op_desc)) {
-    // if check accuracy support failed , try to go to aicpu engine
-    string aicpu_kernel_lib_name = kAICPUKernelLibName;
-    OpsKernelInfoStorePtr aicpu_kernel_info =
-      instance->OpsKernelManagerObj().GetOpsKernelInfoStore(aicpu_kernel_lib_name);
-    if (aicpu_kernel_info == nullptr) {
-      GELOGE(ge::GE_GRAPH_PARAM_NULLPTR, "Get aicpu kernel info store failed.");
-      return ge::GE_GRAPH_PARAM_NULLPTR;
-    }
-    if (!CheckAccuracySupport(aicpu_kernel_info, instance, op_desc)) {
-      GELOGE(GRAPH_FAILED, "AICPU engine does not support node:%s, type:%s , get kernel lib failed.",
-             node->GetName().c_str(), op_desc->GetType().c_str());
-      return GRAPH_FAILED;
+    // if check accuracy support failed , try to go to other engine.
+    string kernel_name_origin = kernel_lib_name;
+    OpsKernelManager &ops_kernel_manager = instance->OpsKernelManagerObj();
+    auto kernel_map = ops_kernel_manager.GetAllOpsKernelInfoStores();
+    for (auto it = kernel_map.begin(); it != kernel_map.end(); ++it) {
+      string tmp_kernel_name = it->first;
+      if (tmp_kernel_name == kernel_name_origin) {
+        continue;
+      }
+      OpsKernelInfoStorePtr tmp_kernel_info = it->second;
+      if (CheckAccuracySupport(tmp_kernel_info, instance, op_desc)) {
+        kernel_lib_name = tmp_kernel_name;
+        return GRAPH_SUCCESS;
+      }
     }
-    kernel_lib_name = kAICPUKernelLibName;
+    GELOGE(GRAPH_FAILED, "Cannot find engine support node:%s, type:%s , get kernel lib failed.",
+           node->GetName().c_str(), op_desc->GetType().c_str());
+    return GRAPH_FAILED;
   }
   return GRAPH_SUCCESS;
 }
diff --git a/ge/graph/passes/flow_ctrl_pass.cc b/ge/graph/passes/flow_ctrl_pass.cc
index ce114d86..5a294aa2 100755
--- a/ge/graph/passes/flow_ctrl_pass.cc
+++ b/ge/graph/passes/flow_ctrl_pass.cc
@@ -357,9 +357,9 @@ Status FlowCtrlPass::CreateIterCtrlFalseBranch(ComputeGraphPtr &compute_graph, c
       return FAILED;
     }
     GE_CHK_STATUS_RET(SetStreamLabel(active_node, switch_node->GetName()), "set stream label failed");
-    GE_IF_BOOL_EXEC(!AttrUtils::SetBool(active_node->GetOpDesc(), ATTR_NAME_IS_LOOP_ACTIVE, true),
-                      DOMI_LOGE("set ATTR_NAME_IS_LOOP_ACTIVE failed"); return FAILED);
-    
+    GE_CHK_STATUS_RET(SetSwitchBranchNodeLabel(active_node, switch_node->GetName()),
+                      "set switch branch node label failed");
+
     string model_exit_name = switch_node->GetName() + "_ModelExit";
     GE_CHK_STATUS_RET(SetActiveLabelList(active_node, { model_exit_name }), "set active label list failed");
 
diff --git a/third_party/fwkacllib/inc/runtime/base.h b/third_party/fwkacllib/inc/runtime/base.h
index a8341e32..fcb7a627 100644
--- a/third_party/fwkacllib/inc/runtime/base.h
+++ b/third_party/fwkacllib/inc/runtime/base.h
@@ -103,6 +103,7 @@ typedef enum tagRtError {
     RT_ERROR_MODEL_EXIT,
     RT_ERROR_MODEL_EXIT_STREAM_UNBIND,
     RT_ERROR_MODEL_EXIT_ID,
+    RT_ERROR_MODEL_ABORT_NORMAL,
 
     RT_ERROR_EVENT_BASE                     = 0x07050000,
     RT_ERROR_EVENT_NULL,