diff --git a/src/components/preview/SimTextPreview.vue b/src/components/preview/SimTextPreview.vue
index b6fbc1b..065c47f 100644
--- a/src/components/preview/SimTextPreview.vue
+++ b/src/components/preview/SimTextPreview.vue
@@ -200,7 +200,7 @@
       return{
         lightTheme: true,
         contentsHide: true,
-        defalutLanguage: 'redis',
+        defalutLanguage: 'txt',
         lineWrapping: false,
         moblie: false,
         panelReadOnly: true,
diff --git a/src/utils/file-type.js b/src/utils/file-type.js
index 5581588..2877ff6 100644
--- a/src/utils/file-type.js
+++ b/src/utils/file-type.js
@@ -21,7 +21,7 @@ monaco.languages.getLanguages().forEach(language => {
 
 // 换行
 export const lineWrapping = [
-  'txt'
+  ''
 ]
 
 export const iconClass = new Map()