diff --git a/ui/src/views/application-workflow/component/DropdownMenu.vue b/ui/src/views/application-workflow/component/DropdownMenu.vue
index 4b041712..46ac0ea6 100644
--- a/ui/src/views/application-workflow/component/DropdownMenu.vue
+++ b/ui/src/views/application-workflow/component/DropdownMenu.vue
@@ -49,7 +49,7 @@
             <div
               class="workflow-dropdown-item cursor flex p-8-12"
               @click.stop="clickNodes(functionLibNode, item, 'function')"
-              @mousedown.stop="onmousedown(functionLibNode, item)"
+              @mousedown.stop="onmousedown(functionLibNode, item, 'function')"
             >
               <component
                 :is="iconComponent(`function-lib-node-icon`)"
@@ -229,6 +229,7 @@ function onmousedown(item: any, data?: any, type?: string) {
       }
     }
   }
+  console.log('xx', item)
   props.workflowRef?.onmousedown(item)
   emit('onmousedown', item)
 }
diff --git a/ui/src/workflow/index.vue b/ui/src/workflow/index.vue
index 2ba201cb..f2a72b3c 100644
--- a/ui/src/workflow/index.vue
+++ b/ui/src/workflow/index.vue
@@ -5,7 +5,7 @@
 </template>
 <script setup lang="ts">
 import LogicFlow from '@logicflow/core'
-import { ref, onMounted, computed, nextTick } from 'vue'
+import { ref, onMounted, computed } from 'vue'
 import AppEdge from './common/edge'
 import Control from './common/NodeControl.vue'
 import { baseNodes } from '@/workflow/common/data'
diff --git a/ui/src/workflow/nodes/function-lib-node/index.vue b/ui/src/workflow/nodes/function-lib-node/index.vue
index 53ac5a47..05a9128a 100644
--- a/ui/src/workflow/nodes/function-lib-node/index.vue
+++ b/ui/src/workflow/nodes/function-lib-node/index.vue
@@ -112,6 +112,10 @@ const validate = () => {
 }
 
 const update_field = () => {
+  if (!props.nodeModel.properties.node_data.function_lib_id) {
+    set(props.nodeModel.properties, 'status', 500)
+    return
+  }
   applicationApi
     .getFunctionLib(id, props.nodeModel.properties.node_data.function_lib_id)
     .then((ok) => {