diff --git a/packages/runtime-web/src/runtime/public/component.tsx b/packages/runtime-web/src/runtime/public/component.tsx
index 6938d917..bbb9d38e 100644
--- a/packages/runtime-web/src/runtime/public/component.tsx
+++ b/packages/runtime-web/src/runtime/public/component.tsx
@@ -463,7 +463,7 @@ export class KBComponent extends React.PureComponent<any, IState> {
     const $slots = {}
     if (this.props.children) {
       if (this.props.children instanceof Array) {
-        this.props.children.forEach((i) => {
+        this.props.children.forEach((i: ReactNodeSlot) => {
           if (i.props && i.props._slot) {
             $slots[i.props._slot] = i
           }
diff --git a/packages/runtime-web/src/types/index.d.ts b/packages/runtime-web/src/types/index.d.ts
index 50751204..2bad3728 100644
--- a/packages/runtime-web/src/types/index.d.ts
+++ b/packages/runtime-web/src/types/index.d.ts
@@ -1,4 +1,6 @@
 /// <reference types="mini-types" />
+/// <reference types="@types/react" />
+
 type PromiseOptions<O> = Omit<O, 'success' | 'fail' | 'complete'>
 
 type IGetLocationFailErrorType = 11 | 12 | 13 | 14
@@ -7,6 +9,13 @@ interface PhoneOptions {
   [number: string]: string
 }
 
+interface ReactNodeSlot extends ReactNode {
+  props?: {
+    _slot: string
+    [prop: string]: any
+  }
+}
+
 interface Window {
   my: any
   getApp: () => IApp