diff --git a/src/mixin/format.js b/src/mixin/format.js
index 5cb42db..c65de04 100644
--- a/src/mixin/format.js
+++ b/src/mixin/format.js
@@ -1,12 +1,8 @@
 import { format } from 'date-format-parse';
-import { getLocale } from '../locale';
+import LocaleMixin from './locale';
 
 export default {
-  inject: {
-    locale: {
-      default: getLocale(),
-    },
-  },
+  mixins: [LocaleMixin],
   methods: {
     formatDate(date, fmt) {
       return format(date, fmt, { locale: this.t('formatLocale') });
diff --git a/src/mixin/locale.js b/src/mixin/locale.js
index 6ec7417..b6a085a 100644
--- a/src/mixin/locale.js
+++ b/src/mixin/locale.js
@@ -9,7 +9,7 @@ export default {
   methods: {
     t(path) {
       const arr = path.split('.');
-      let current = this.locale;
+      let current = this.locale || getLocale();
       let value;
       for (let i = 0, len = arr.length; i < len; i++) {
         const prop = arr[i];