diff --git a/core/core-frontend/src/views/copilot/index.vue b/core/core-frontend/src/views/copilot/index.vue
index 1b572ee930..44de40e519 100644
--- a/core/core-frontend/src/views/copilot/index.vue
+++ b/core/core-frontend/src/views/copilot/index.vue
@@ -152,7 +152,7 @@ const handleShowLeft = val => {
 const copilotChatLoading = ref(false)
 const inputRef = ref()
 const queryAnswer = (event?: KeyboardEvent) => {
-  if (event.keyCode === 13) {
+  if (event?.keyCode === 13) {
     event.preventDefault()
   }
   let copyAuestionInput = questionInput.value