diff --git a/.stylelintignore b/.stylelintignore
index 76add878..1789763a 100644
--- a/.stylelintignore
+++ b/.stylelintignore
@@ -1,2 +1,6 @@
 node_modules
-dist
\ No newline at end of file
+dist
+docs-dist
+es
+lib
+
diff --git a/packages/rc-use-hooks/src/usePrevious/demos/Demo2.tsx b/packages/rc-use-hooks/src/usePrevious/demos/Demo2.tsx
index c4eb27fc..5d6ad8da 100644
--- a/packages/rc-use-hooks/src/usePrevious/demos/Demo2.tsx
+++ b/packages/rc-use-hooks/src/usePrevious/demos/Demo2.tsx
@@ -6,7 +6,7 @@ import { Button, Input } from 'antd';
 import { usePrevious } from 'rc-use-hooks';
 import { useState } from 'react';
 
-function Demo() {
+function Demo2() {
   const [count, setCount] = useState(0);
   const [value, setValue] = useState('');
   const prevValue = usePrevious(value);
@@ -21,4 +21,4 @@ function Demo() {
   );
 }
 
-export default Demo;
+export default Demo2;
diff --git a/packages/rc-use-hooks/src/usePrevious/demos/demo1.tsx b/packages/rc-use-hooks/src/usePrevious/demos/demo1.tsx
index 9f089e33..d9bfff63 100644
--- a/packages/rc-use-hooks/src/usePrevious/demos/demo1.tsx
+++ b/packages/rc-use-hooks/src/usePrevious/demos/demo1.tsx
@@ -7,7 +7,7 @@ import { Input } from 'antd';
 import { usePrevious } from 'rc-use-hooks';
 import { useState } from 'react';
 
-function Demo() {
+function Demo1() {
   const [value, setValue] = useState('');
   const prevValue = usePrevious(value);
 
@@ -20,4 +20,4 @@ function Demo() {
   );
 }
 
-export default Demo;
+export default Demo1;
diff --git a/packages/rc-use-hooks/src/usePrevious/index.md b/packages/rc-use-hooks/src/usePrevious/index.md
index aa73909c..bd7c8124 100644
--- a/packages/rc-use-hooks/src/usePrevious/index.md
+++ b/packages/rc-use-hooks/src/usePrevious/index.md
@@ -16,11 +16,11 @@ nav:
 
 ### 基础用法
 
-<code src="./demos/demo1.tsx" />
+<code src="./demos/demo1.tsx"/>
 
 ### 不受其他状态更新影响
 
-<code src="./demos/demo2.tsx" />
+<code src="./demos/demo2.tsx"/>
 
 ## API
 
diff --git a/packages/rc-use-hooks/src/usePrevious/index.ts b/packages/rc-use-hooks/src/usePrevious/index.ts
index 4a67d85f..1cfb97cc 100644
--- a/packages/rc-use-hooks/src/usePrevious/index.ts
+++ b/packages/rc-use-hooks/src/usePrevious/index.ts
@@ -14,7 +14,7 @@ export default function usePrevious<T>(state: T) {
   }
   return prevRef.current;
 }
-
+// 官方示例
 // export default function usePrevious<T>(value: T): T {
 //   const ref = useRef<unknown | null>(null);
 //   useEffect(() => {