diff --git a/web/app/components/workflow/nodes/llm/components/config-prompt.tsx b/web/app/components/workflow/nodes/llm/components/config-prompt.tsx
index 0cddb15ab6..5b28c9b48f 100644
--- a/web/app/components/workflow/nodes/llm/components/config-prompt.tsx
+++ b/web/app/components/workflow/nodes/llm/components/config-prompt.tsx
@@ -106,12 +106,12 @@ const ConfigPrompt: FC<Props> = ({
   const handleAddPrompt = useCallback(() => {
     const newPrompt = produce(payload as PromptItem[], (draft) => {
       if (draft.length === 0) {
-        draft.push({ role: PromptRole.system, text: '' })
+        draft.push({ role: PromptRole.system, text: '', id: uuid4() })
 
         return
       }
       const isLastItemUser = draft[draft.length - 1].role === PromptRole.user
-      draft.push({ role: isLastItemUser ? PromptRole.assistant : PromptRole.user, text: '' })
+      draft.push({ role: isLastItemUser ? PromptRole.assistant : PromptRole.user, text: '', id: uuid4() })
     })
     onChange(newPrompt)
   }, [onChange, payload])