diff --git a/src/components/Canvas/FlowCanvas/components/node-el.vue b/src/components/Canvas/FlowCanvas/components/node-el.vue
index 3754d87..a6a7408 100644
--- a/src/components/Canvas/FlowCanvas/components/node-el.vue
+++ b/src/components/Canvas/FlowCanvas/components/node-el.vue
@@ -52,6 +52,8 @@
 	const nodes = computed(() => props.stateManager.nodes.value)
 	const isSubord = computed(() => nodes.value.some((v) => v.data.superiorID === props.node.id))
 	const tier = computed(() => Number(props.node?.data?.tier || 0))
+	//只有3d模型才有三级菜单,目前三级菜单内容少直接禁用按钮
+	const isAdd3d = computed(() => (tier.value === 2 && props.node?.data?.superiorNodeType === NODE_DATATYPE.TO_3D_MODEL) || tier.value != 2)
 	const isReturned = computed(() => {
 		return (
 			props.node.data.type == NODE_DATATYPE.RESULT_IMAGE &&
@@ -63,7 +65,8 @@
 			!isSubord.value &&
 			NODE_DATATYPE.RESULT_IMAGE === props.node.data.type &&
 			!(tier.value === NODE_DATATIER.TO_3VIEW) &&
-			isReturned.value
+			isReturned.value && 
+			isAdd3d.value
 	)
 	const onAdd = () => {
 		const tier_ = tier.value + 1
diff --git a/src/components/Canvas/FlowCanvas/index.vue b/src/components/Canvas/FlowCanvas/index.vue
index 2b64496..1d3c144 100644
--- a/src/components/Canvas/FlowCanvas/index.vue
+++ b/src/components/Canvas/FlowCanvas/index.vue
@@ -7,7 +7,7 @@
 <script setup lang="ts">
 	import FullscreenDialog from '../components/fullscreen-dialog.vue'
 	import flowCanvas from './flow-canvas.vue'
-	import { ref, onMounted, onBeforeUnmount } from 'vue'
+	import { ref } from 'vue'
 	import { getSketchFlowCanvas, putSketchFlowCanvas } from '@/api/flow-canvas'
 	import { useI18n } from 'vue-i18n'
 
@@ -34,21 +34,6 @@
 	const close = async () => {
 		dialogVisible.value = false
 	}
-	const handleBeforeUnload = (event) => {
-		const str = flowCanvasRef.value?.getFlowJson()
-		if (str) {
-			event.preventDefault()
-			event.returnValue = $t('flowCanvas.confirmLeave')
-			return $t('flowCanvas.confirmLeave')
-		}
-	}
-	onMounted(() => {
-		// 添加事件监听
-		window.addEventListener('beforeunload', handleBeforeUnload)
-	})
-	onBeforeUnmount(() => {
-		window.removeEventListener('beforeunload', handleBeforeUnload)
-	})
 	defineExpose({
 		open,
 		close,