diff --git a/src/layer/index.js b/src/layer/index.js
index 7cf0490..13ce4d4 100644
--- a/src/layer/index.js
+++ b/src/layer/index.js
@@ -36,7 +36,7 @@ const LANGUAGES = {
   }
 }
 LANGUAGES['zh-CN'] = LANGUAGES.zh
-const lang = LANGUAGES[Anot.language || navigator.language || 'en']
+const lang = LANGUAGES[Anot.language || navigator.language] || LANGUAGES.en
 let layerDom = {}
 let layerObj = {}
 let unique = null // 储存当前打开的1/2/3类型的弹窗
diff --git a/src/meditor/addon/attach-native.js b/src/meditor/addon/attach-native.js
index d941901..7a44c22 100644
--- a/src/meditor/addon/attach-native.js
+++ b/src/meditor/addon/attach-native.js
@@ -81,7 +81,7 @@ const LANGUAGES = {
 }
 LANGUAGES['zh-CN'] = LANGUAGES.zh
 LANGUAGES['zh-TW'] = LANGUAGES.zh
-const lang = LANGUAGES[Anot.language || navigator.language || 'en']
+const lang = LANGUAGES[Anot.language || navigator.language] || LANGUAGES.en
 
 const fixCont = function(vm, tool) {
   let limit = false
diff --git a/src/meditor/addon/attach.js b/src/meditor/addon/attach.js
index 48af897..0bf1746 100644
--- a/src/meditor/addon/attach.js
+++ b/src/meditor/addon/attach.js
@@ -79,7 +79,7 @@ const LANGUAGES = {
 }
 LANGUAGES['zh-CN'] = LANGUAGES.zh
 LANGUAGES['zh-TW'] = LANGUAGES.zh
-const lang = LANGUAGES[Anot.language || navigator.language || 'en']
+const lang = LANGUAGES[Anot.language || navigator.language] || LANGUAGES.en
 
 class Uploader {
   constructor(url) {
diff --git a/src/meditor/index.js b/src/meditor/index.js
index 269645e..097239f 100644
--- a/src/meditor/index.js
+++ b/src/meditor/index.js
@@ -140,7 +140,7 @@ const LANGUAGES = {
 }
 LANGUAGES['zh-CN'] = LANGUAGES.zh
 LANGUAGES['zh-TW'] = LANGUAGES.zh
-const lang = LANGUAGES[Anot.language || navigator.language || 'en']
+const lang = LANGUAGES[Anot.language || navigator.language] || LANGUAGES.en
 
 marked.setOptions({
   highlight: function(code, lang) {