diff --git a/src/components/Canvas/FlowCanvas/manager/StateManager.ts b/src/components/Canvas/FlowCanvas/manager/StateManager.ts
index de2163a..9fc9fb2 100644
--- a/src/components/Canvas/FlowCanvas/manager/StateManager.ts
+++ b/src/components/Canvas/FlowCanvas/manager/StateManager.ts
@@ -53,6 +53,7 @@ export class StateManager {
 						id: `el-${id}-${target}`,
 						source: id,
 						target: target,
+						selectable: false,
 						type: 'default'
 					})
 				}
diff --git a/src/views/home/agent/components/versionTree/tree/view2/InputNode.vue b/src/views/home/agent/components/versionTree/tree/view2/InputNode.vue
index 3d0aa2f..97f1059 100644
--- a/src/views/home/agent/components/versionTree/tree/view2/InputNode.vue
+++ b/src/views/home/agent/components/versionTree/tree/view2/InputNode.vue
@@ -14,7 +14,7 @@ const props = defineProps<{
 
 <template>
 	<div class="node start">
-		<Handle type="source" id="Bottom" :position="Position.Bottom" />
+		<Handle type="source" id="Bottom" :connectableStart="false" :connectableEnd="false" :position="Position.Bottom" />
 		<div>index</div>
 	</div>
 </template>
diff --git a/src/views/home/agent/components/versionTree/tree/view2/secondaryNode.vue b/src/views/home/agent/components/versionTree/tree/view2/secondaryNode.vue
index a33c2e9..de089f3 100644
--- a/src/views/home/agent/components/versionTree/tree/view2/secondaryNode.vue
+++ b/src/views/home/agent/components/versionTree/tree/view2/secondaryNode.vue
@@ -18,8 +18,8 @@ const props = defineProps<{
 <!-- source输入，target输出 -->
 <template>
 	<div class="node" :class="{active:props.selectItem.id == props.data.id}">
-		<Handle type="target" id="Top" :position="Position.Top" />
-		<Handle type="source" id="Bottom" :position="Position.Bottom" />
+		<Handle type="target" id="Top" :connectableStart="false" :connectableEnd="false" :position="Position.Top" />
+		<Handle type="source" id="Bottom" :connectableStart="false" :connectableEnd="false" :position="Position.Bottom" />
 		<!-- <Handle type="source" id="Right" :position="Position.Right" />
 		<Handle type="target" id="Left" :position="Position.Left" /> -->
 		<!-- <div>{{ props.data.id }}</div> -->