diff --git a/web/src/components/Chat/ChatContent.tsx b/web/src/components/Chat/ChatContent.tsx
index f4c89578..a785ea49 100644
--- a/web/src/components/Chat/ChatContent.tsx
+++ b/web/src/components/Chat/ChatContent.tsx
@@ -272,9 +272,8 @@ const ChatContent: FC<ChatContentProps> = ({
                     <Flex vertical gap={4} className="rb:mt-1! rb:pt-3! rb-border-t rb:mb-2!">
                       <div className="rb:font-medium">{t('memoryConversation.citations')}</div>
                       {item.meta_data?.citations?.map((citation, idx) => (
-                        <Flex align="center" gap={12}>
+                        <Flex key={idx} align="center" gap={12}>
                           <div
-                            key={idx}
                             className="rb:text-[#155EEF] rb:leading-5 rb:underline rb:cursor-pointer"
                             onClick={() => {
                               const params = new URLSearchParams({ documentId: citation.document_id, parentId: citation.knowledge_id });
diff --git a/web/src/views/ApplicationConfig/Agent.tsx b/web/src/views/ApplicationConfig/Agent.tsx
index 338f50f9..d7455793 100644
--- a/web/src/views/ApplicationConfig/Agent.tsx
+++ b/web/src/views/ApplicationConfig/Agent.tsx
@@ -357,7 +357,7 @@ const Agent = forwardRef<AgentRef, { onFeaturesLoad?: (features: FeaturesConfigF
     const { statement = '' } = value?.opening_statement || {}
     onFeaturesLoad?.(value)
 
-    if (value.opening_statement.enabled) {
+    if (value?.opening_statement?.enabled) {
       const usedVars = [...new Set([...(statement?.matchAll(/\{\{(\w+)\}\}/g) ?? [])].map(m => m[1]))]
       const variables = values?.variables
       const validNames = new Set(variables.map(v => v.name))