diff --git a/src/components/modal/ImportSmapModal.vue b/src/components/modal/ImportSmapModal.vue
new file mode 100644
index 0000000..7072209
--- /dev/null
+++ b/src/components/modal/ImportSmapModal.vue
@@ -0,0 +1,75 @@
+<script setup lang="ts">
+import { ref, watch, type Ref } from 'vue';
+import { CloudUploadOutlined } from '@ant-design/icons-vue';
+import type { UploadProps } from 'ant-design-vue';
+import { message } from 'ant-design-vue';
+
+type Props = {
+  visible: boolean;
+};
+const props = defineProps<Props>();
+
+const emit = defineEmits(['update:visible', 'confirm']);
+
+const fileList: Ref<UploadProps['fileList']> = ref([]);
+const keepProperties = ref(false);
+
+watch(
+  () => props.visible,
+  (newVal) => {
+    if (!newVal) {
+      // Reset state when modal is closed
+      fileList.value = [];
+      keepProperties.value = false;
+    }
+  },
+);
+
+const handleOk = () => {
+  if (fileList.value && fileList.value.length > 0) {
+    const smapFile = fileList.value[0].originFileObj as File;
+    emit('confirm', { smapFile, keepProperties: keepProperties.value });
+    emit('update:visible', false);
+  } else {
+    message.error('请选择一个 SMAP 文件');
+  }
+};
+
+const handleCancel = () => {
+  emit('update:visible', false);
+};
+
+const beforeUpload: UploadProps['beforeUpload'] = (file) => {
+  // Ensure only one file is in the list
+  fileList.value = [file];
+  // Prevent automatic upload
+  return false;
+};
+</script>
+
+<template>
+  <a-modal
+    :visible="props.visible"
+    title="从 SMAP 导入场景"
+    ok-text="开始导入"
+    cancel-text="取消"
+    :ok-button-props="{ disabled: !fileList || fileList.length === 0 }"
+    @ok="handleOk"
+    @cancel="handleCancel"
+  >
+    <a-upload-dragger
+      v-model:fileList="fileList"
+      name="file"
+      :multiple="false"
+      accept=".smap"
+      :before-upload="beforeUpload"
+    >
+      <p class="ant-upload-drag-icon">
+        <cloud-upload-outlined />
+      </p>
+      <p class="ant-upload-text">点击或拖拽 SMAP 文件到此区域</p>
+      <p class="ant-upload-hint">仅支持单个 .smap 文件的导入。</p>
+    </a-upload-dragger>
+    <a-checkbox v-model:checked="keepProperties" style="margin-top: 16px"> 保留原属性 </a-checkbox>
+  </a-modal>
+</template>
diff --git a/src/hooks/useMapConversion.ts b/src/hooks/useMapConversion.ts
index a250197..96b426a 100644
--- a/src/hooks/useMapConversion.ts
+++ b/src/hooks/useMapConversion.ts
@@ -90,14 +90,15 @@ export function useMapConversion() {
     }
   };
 
-  const convertSceneToIray = async (sceneJson: string, filename: string) => {
+  const convertSceneToIray = async (sceneJson: string, smapFile: File, filename: string) => {
     isConverting.value = true;
     try {
       const formData = new FormData();
       const sceneBlob = new Blob([sceneJson], { type: 'application/json' });
       formData.append('scene_file', sceneBlob, `${filename}.scene`);
+      formData.append('smap_file', smapFile);
 
-      const response = await mapConverterHttp.post(`${API_BASE_URL}/scene-to-iray`, formData, {
+      const response = await mapConverterHttp.post(`${API_BASE_URL}/smap-to-iray`, formData, {
         headers: { 'Content-Type': 'multipart/form-data' },
         responseType: 'blob',
       });
diff --git a/src/pages/scene-editor.vue b/src/pages/scene-editor.vue
index 11e8b62..2f0cbfc 100644
--- a/src/pages/scene-editor.vue
+++ b/src/pages/scene-editor.vue
@@ -8,6 +8,7 @@ import expandIcon from '../assets/icons/png/expand.png';
 import foldIcon from '../assets/icons/png/fold.png';
 import BatchEditToolbar from '../components/batch-edit-toolbar.vue';
 import AutoCreateStorageModal from '../components/modal/auto-create-storage-modal.vue';
+import ImportSmapModal from '../components/modal/ImportSmapModal.vue';
 import { useMapConversion } from '../hooks/useMapConversion';
 import { EditorService } from '../services/editor.service';
 import { useViewState } from '../services/useViewState';
@@ -160,39 +161,38 @@ const importScene = async () => {
   editor.value?.load(json, editable.value, undefined, true);
 };
 
-const importSmap = async () => {
-  const file = await selectFile('.smap');
-  if (!file) return;
-  const sceneJson = await convertSmapToScene(file);
+const importSmapModalVisible = ref(false);
+
+const handleImportSmapConfirm = async ({
+  smapFile,
+  keepProperties,
+}: {
+  smapFile: File;
+  keepProperties: boolean;
+}) => {
+  let sceneJson: string | null = null;
+  if (keepProperties) {
+    // Update mode
+    const currentSceneJson = editor.value?.save();
+    if (!currentSceneJson) {
+      message.error('无法获取当前场景数据，请确保场景不为空');
+      return;
+    }
+    const sceneBlob = new Blob([currentSceneJson], { type: 'application/json' });
+    const sceneFile = new File([sceneBlob], `${title.value || 'current'}.scene`, {
+      type: 'application/json',
+    });
+    sceneJson = await convertSmapToScene(smapFile, sceneFile);
+  } else {
+    // Create mode
+    sceneJson = await convertSmapToScene(smapFile);
+  }
+
   if (sceneJson) {
     editor.value?.load(sceneJson, editable.value, undefined, true);
   }
 };
 
-const handleUpdateSceneWithSmap = async () => {
-  // 1. Get current scene content from editor
-  const currentSceneJson = editor.value?.save();
-  if (!currentSceneJson) {
-    message.error('无法获取当前场景数据，请确保场景不为空');
-    return;
-  }
-
-  // 2. Prompt user to select the .smap file
-  message.info('请选择用于更新当前场景的 SMAP 文件');
-  const smapFile = await selectFile('.smap');
-  if (!smapFile) return;
-
-  // 3. Convert current scene json to a File object in memory
-  const sceneBlob = new Blob([currentSceneJson], { type: 'application/json' });
-  const sceneFile = new File([sceneBlob], `${title.value || 'current'}.scene`, { type: 'application/json' });
-
-  // 4. Call the update function
-  const newSceneJson = await convertSmapToScene(smapFile, sceneFile);
-  if (newSceneJson) {
-    editor.value?.load(newSceneJson, editable.value, undefined, true);
-  }
-};
-
 const importBinTask = async () => {
   try {
     const file = await selectFile('.xlsx,.xls');
@@ -240,8 +240,16 @@ const exportSmap = async () => {
 
 const exportAsIray = async () => {
   const json = editor.value?.save();
-  if (!json) return;
-  await convertSceneToIray(json, title.value || 'unknown');
+  if (!json) {
+    message.error('无法获取当前场景数据，请确保场景不为空');
+    return;
+  }
+
+  message.info('请选择一个 SMAP 文件用于 IRAY 导出');
+  const smapFile = await selectFile('.smap');
+  if (!smapFile) return;
+
+  await convertSceneToIray(json, smapFile, title.value || 'unknown');
 };
 
 const show = ref<boolean>(true);
@@ -322,9 +330,8 @@ const handleAutoCreateStorageCancel = () => {
             {{ $t('导入') }}
             <template #overlay>
               <a-menu>
-                <a-menu-item key="1" @click="importSmap">从 SMAP 新建 (.smap)</a-menu-item>
-                <a-menu-item key="2" @click="handleUpdateSceneWithSmap">通过 SMAP 更新 Scene</a-menu-item>
-                <a-menu-item key="3" @click="importBinTask">导入 Bintask (.xlsx)</a-menu-item>
+                <a-menu-item key="1" @click="importSmapModalVisible = true">导入其他格式 (.smap)</a-menu-item>
+                <a-menu-item key="2" @click="importBinTask">导入 Bintask (.xlsx)</a-menu-item>
               </a-menu>
             </template>
           </a-dropdown-button>
@@ -387,6 +394,8 @@ const handleAutoCreateStorageCancel = () => {
 
   <BatchEditToolbar v-if="editable && editor" :token="EDITOR_KEY" />
 
+  <ImportSmapModal v-model:visible="importSmapModalVisible" @confirm="handleImportSmapConfirm" />
+
   <AutoCreateStorageModal
     v-model:visible="autoCreateStorageVisible"
     :area-name="autoCreateStorageData.areaName"