diff --git a/ui/src/components/ai-chat/OperationButton.vue b/ui/src/components/ai-chat/OperationButton.vue
index b96e4b475..dc8cb367d 100644
--- a/ui/src/components/ai-chat/OperationButton.vue
+++ b/ui/src/components/ai-chat/OperationButton.vue
@@ -118,7 +118,32 @@ function voteHandle(val: string) {
     })
 }
 
+function markdownToPlainText(md: string) {
+    return md
+        // 移除图片 ![alt](url)
+        .replace(/!\[.*?\]\(.*?\)/g, '')
+        // 移除链接 [text](url)
+        .replace(/\[([^\]]+)\]\([^)]+\)/g, '$1')
+        // 移除 Markdown 标题符号 (#, ##, ###)
+        .replace(/^#{1,6}\s+/gm, '')
+        // 移除加粗 **text** 或 __text__
+        .replace(/\*\*(.*?)\*\*/g, '$1')
+        .replace(/__(.*?)__/g, '$1')
+        // 移除斜体 *text* 或 _text_
+        .replace(/\*(.*?)\*/g, '$1')
+        .replace(/_(.*?)_/g, '$1')
+        // 移除行内代码 `code`
+        .replace(/`(.*?)`/g, '$1')
+        // 移除代码块 ```code```
+        .replace(/```[\s\S]*?```/g, '')
+        // 移除多余的换行符
+        .replace(/\n{2,}/g, '\n')
+        .trim();
+}
+
 const playAnswerText = (text: string) => {
+  // text 处理成纯文本
+  text = markdownToPlainText(text)
   if (props.tts_type === 'BROWSER') {
     // 创建一个新的 SpeechSynthesisUtterance 实例
     const utterance = new SpeechSynthesisUtterance(text)
diff --git a/ui/src/components/ai-chat/index.vue b/ui/src/components/ai-chat/index.vue
index 45b242ac6..ebe2b3ddf 100644
--- a/ui/src/components/ai-chat/index.vue
+++ b/ui/src/components/ai-chat/index.vue
@@ -357,7 +357,7 @@ function handleInputFieldList() {
   const record = chatList.value[chatList.value.length - 1]
   let default_value: any = {}
   if (record) {
-    record.execution_details[0].global_fields.reduce((pre: any, next: any) => {
+    record.execution_details[0].global_fields?.reduce((pre: any, next: any) => {
       pre[next.key] = next.value
       return pre
     }, default_value)