diff --git a/src/core/func/index.js b/src/core/func/index.js
index 9b24275bf..b04392bdc 100644
--- a/src/core/func/index.js
+++ b/src/core/func/index.js
@@ -4,20 +4,3 @@ export * from "./date";
 export * from "./function";
 export * from "./number";
 export * from "./string";
-
-// need delete
-import * as _alias from "./alias";
-import * as _array from "./array";
-import * as _date from "./date";
-import * as _function from "./function";
-import *  as _number from "./number";
-import *  as _string from "./string";
-
-Object.assign(BI, {
-    ..._alias,
-    ..._array,
-    ..._date,
-    ..._function,
-    ..._number,
-    ..._string,
-});
diff --git a/src/core/index.js b/src/core/index.js
index 397017380..53a8cd755 100644
--- a/src/core/index.js
+++ b/src/core/index.js
@@ -6,6 +6,7 @@ import * as inject from "./5.inject";
 import * as action from "./action";
 import * as behavior from "./behavior";
 import * as controllers from "./controller";
+import * as func from "./func";
 import { StyleLoaderManager } from "./loader/loader.style";
 import "./h";
 import { ShowListener } from "./listener/listener.show";
@@ -18,6 +19,7 @@ export * from "./5.inject";
 export * from "./action";
 export * from "./behavior";
 export * from "./controller";
+export * from "./func";
 
 export {
     StyleLoaderManager,
@@ -34,6 +36,7 @@ Object.assign(BI, {
     component: inject.shortcut,
     ...action,
     ...controllers,
+    ...func,
     StyleLoaderManager,
     ShowListener,
 });