diff --git a/ui/src/workflow/nodes/function-node/index.vue b/ui/src/workflow/nodes/function-node/index.vue
index 3aed3245..6f4c226e 100644
--- a/ui/src/workflow/nodes/function-node/index.vue
+++ b/ui/src/workflow/nodes/function-node/index.vue
@@ -72,8 +72,6 @@
         <CodemirrorEditor
           v-model="chat_data.code"
           @wheel="wheel"
-          @keydown="isKeyDown = true"
-          @keyup="isKeyDown = false"
           style="height: 130px !important"
         />
         <div class="function-CodemirrorEditor__footer">
@@ -126,16 +124,15 @@ import { isLastNode } from '@/workflow/common/data'
 
 const props = defineProps<{ nodeModel: any }>()
 
-const isKeyDown = ref(false)
 const wheel = (e: any) => {
-  if (isKeyDown.value) {
+  if (e.ctrlKey === true) {
     e.preventDefault()
+    return true
   } else {
     e.stopPropagation()
     return true
   }
 }
-
 const FieldFormDialogRef = ref()
 const nodeCascaderRef = ref()