diff --git a/types/loading-bar.d.ts b/types/loading-bar.d.ts
index 68c70394..82355c05 100644
--- a/types/loading-bar.d.ts
+++ b/types/loading-bar.d.ts
@@ -4,9 +4,9 @@
 // Definitions: https://github.com/yangdan8/iview.git
 import Vue, { VNode } from 'vue';
 
-export const LoadingBar: LoadingBarClass
+export const LoadingBar: LoadingBarClass;
 
-declare interface LoadingBarClass {
+export declare interface LoadingBarClass {
   /**
    * 开始从 0 显示进度条，并自动加载进度
    */