diff --git a/ge/graph/preprocess/graph_preprocess.cc b/ge/graph/preprocess/graph_preprocess.cc
index b5b0daa4..08dd6f98 100644
--- a/ge/graph/preprocess/graph_preprocess.cc
+++ b/ge/graph/preprocess/graph_preprocess.cc
@@ -619,19 +619,25 @@ Status ProcessInputDtDynShape(NodePtr &node_ptr, bool &is_dynamic_batch, NodePtr
     return SUCCESS;
   }
   input->SetDataType(dt_set);
-  int64_t input_shape_size = 0;
-  int64_t output_shape_size = 0;
-  ge::graphStatus input_graph_status = ge::TensorUtils::GetTensorSizeInBytes(*input, input_shape_size);
-  ge::graphStatus output_graph_status = ge::TensorUtils::GetTensorMemorySizeInBytes(*input, output_shape_size);
-  if (input_graph_status != ge::GRAPH_SUCCESS && output_graph_status != ge::GRAPH_SUCCESS) {
-    GELOGE(GRAPH_FAILED, "GetTensorSize failed!");
-    return FAILED;
-  }
-  ge::TensorUtils::SetSize(*input, input_shape_size);
   const GeTensorDescPtr &output = op_desc->MutableOutputDesc(0);
   GE_CHECK_NOTNULL(output);
   output->SetDataType(dt_set);
-  ge::TensorUtils::SetSize(*output, output_shape_size);
+
+  GeShape shape = input->GetShape();
+  if (!shape.IsUnknownShape()) {
+    int64_t input_shape_size = 0;
+    int64_t output_shape_size = 0;
+    ge::graphStatus input_graph_status = ge::TensorUtils::GetTensorSizeInBytes(*input, input_shape_size);
+    ge::graphStatus output_graph_status = ge::TensorUtils::GetTensorMemorySizeInBytes(*input, output_shape_size);
+    if (input_graph_status != ge::GRAPH_SUCCESS && output_graph_status != ge::GRAPH_SUCCESS) {
+      GELOGE(GRAPH_FAILED, "[Process][InputOp] Get tensor size of op [%s] failed!", node_ptr->GetName().c_str());
+      return FAILED;
+    }
+    ge::TensorUtils::SetSize(*input, input_shape_size);
+    ge::TensorUtils::SetSize(*output, output_shape_size);
+    GELOGI("[Process][InputDynShape] Set input and output size of node [%s] success.", node_ptr->GetName().c_str());
+  }
+
   if (is_dynamic_batch) {
     GELOGI("The node [%s] dtype set fp16", switchn_node->GetName().c_str());
     auto switchn_op_desc = switchn_node->GetOpDesc();
@@ -1255,6 +1261,12 @@ Status GraphPrepare::AdjustDataOpOutput(const NodePtr &node) {
     return GE_GRAPH_GRAPH_NODE_NULL;
   }
   GeTensorDesc output = op_desc_ptr->GetOutputDesc(0);
+  GeShape output_shape = output.GetShape();
+  if (output_shape.IsUnknownShape()) {
+    GELOGD("[Adjust][DataOpOutput] Shape of op [%s] output is unknown.", node->GetName().c_str());
+    return SUCCESS;
+  }
+
   int64_t tensor_size = 0;
   graphStatus graph_status = TensorUtils::GetTensorMemorySizeInBytes(output, tensor_size);
   if (graph_status != GRAPH_SUCCESS) {
diff --git a/ge/offline/main.cc b/ge/offline/main.cc
index 69ee29de..30285780 100755
--- a/ge/offline/main.cc
+++ b/ge/offline/main.cc
@@ -244,9 +244,11 @@ class GFlagUtils {
         "  --framework         Framework type. 0:Caffe; 1:MindSpore; 3:Tensorflow; 5:Onnx\n"
         "  --input_format      Format of input data. E.g.: \"NCHW\"\n"
         "  --input_shape       Shape of input data. Separate multiple nodes with semicolons (;). "
-        "  --input_shape_range Shape range of input data. Separate multiple nodes with semicolons (;)."
         "Use double quotation marks (\") to enclose each argument.\n"
         "                      E.g.: \"input_name1:n1,c1,h1,w1;input_name2:n2,c2,h2,w2\"\n"
+        "  --input_shape_range Shape range of input data. Separate multiple nodes with semicolons (;)."
+        "Use double quotation marks (\") to enclose each argument.\n"
+        "                      E.g.: \"input_name1:[n1~n2,c1,h1,w1];input_name2:[n2,c2~c3,h2,w2]\"\n"
         "  --dynamic_batch_size Set dynamic batch size. E.g.: \"batchsize1,batchsize2,batchsize3\"\n"
         "  --dynamic_image_size Set dynamic image size. Separate multiple nodes with semicolons (;). "
         "Use double quotation marks (\") to enclose each argument.\n"
diff --git a/tests/ut/ge/graph/preprocess/graph_preprocess_unittest.cc b/tests/ut/ge/graph/preprocess/graph_preprocess_unittest.cc
index 69192631..ff49f34c 100644
--- a/tests/ut/ge/graph/preprocess/graph_preprocess_unittest.cc
+++ b/tests/ut/ge/graph/preprocess/graph_preprocess_unittest.cc
@@ -50,6 +50,28 @@ ComputeGraphPtr BuildGraph1(){
   return builder.GetGraph();
 }
 
+ComputeGraphPtr BuildGraph2() {
+  auto builder = ut::GraphBuilder("g2");
+  auto data1 = builder.AddNode("data1", DATA, 1, 1, FORMAT_NCHW, DT_FLOAT, std::vector<int64_t>({22, -1}));
+  ge::AttrUtils::SetStr(data1->GetOpDesc(), ATTR_ATC_USER_DEFINE_DATATYPE, "DT_INT8");
+  auto data_opdesc = data1->GetOpDesc();
+  AttrUtils::SetInt(data_opdesc, ATTR_NAME_INDEX, 0);
+
+  data1->UpdateOpDesc(data_opdesc);
+  return builder.GetGraph();
+}
+
+ComputeGraphPtr BuildGraph3() {
+  auto builder = ut::GraphBuilder("g3");
+  auto data1 = builder.AddNode("data1", DATA, 1, 1, FORMAT_NCHW, DT_FLOAT);
+  ge::AttrUtils::SetStr(data1->GetOpDesc(), ATTR_ATC_USER_DEFINE_DATATYPE, "DT_INT8");
+  auto data_opdesc = data1->GetOpDesc();
+  AttrUtils::SetInt(data_opdesc, ATTR_NAME_INDEX, 0);
+
+  data1->UpdateOpDesc(data_opdesc);
+  return builder.GetGraph();
+}
+
 TEST_F(UtestGraphPreproces, test_dynamic_input_shape_parse) {
   ge::GraphPrepare graph_prepare;
   graph_prepare.compute_graph_ = BuildGraph1();
@@ -88,4 +110,12 @@ TEST_F(UtestGraphPreproces, test_check_user_input) {
   Status ret = graph_prepare.CheckUserInput(user_input);
   EXPECT_EQ(ret, GE_GRAPH_INIT_FAILED);
 }
+
+TEST_F(UtestGraphPreproces, test_update_input_output1) {
+  ge::GraphPrepare graph_prepare;
+  graph_prepare.compute_graph_ = BuildGraph3();
+
+  Status ret = graph_prepare.UpdateInputOutputByOptions();
+  EXPECT_EQ(ret, SUCCESS);
+}
 }
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