diff --git a/packages/client/src/schemas/database-field/interfaces/percent.ts b/packages/client/src/schemas/database-field/interfaces/percent.ts
index 1fd1b07225..d535bb4b66 100644
--- a/packages/client/src/schemas/database-field/interfaces/percent.ts
+++ b/packages/client/src/schemas/database-field/interfaces/percent.ts
@@ -18,6 +18,7 @@ export const percent: ISchema = {
       'x-component-props': {
         stringMode: true,
         step: '0',
+        addonAfter: '%',
       },
       'x-decorator': 'FormItem',
       'x-designable-bar': 'InputNumber.DesignableBar',
diff --git a/packages/client/src/schemas/input-number/index.md b/packages/client/src/schemas/input-number/index.md
index c97b861b43..26238f0cad 100644
--- a/packages/client/src/schemas/input-number/index.md
+++ b/packages/client/src/schemas/input-number/index.md
@@ -86,8 +86,7 @@ const schema = {
       'x-component': 'InputNumber',
       'x-component-props': {
         placeholder: 'please enter',
-        formatter: value => `${value}%`,
-        parser: value => value.replace('%', ''),
+        addonAfter: '%',
       },
       'x-reactions': {
         target: 'read',
@@ -106,8 +105,89 @@ const schema = {
       'x-component': 'InputNumber',
       'x-component-props': {
         placeholder: 'please enter',
-        formatter: value => `${value}%`,
-        parser: value => value.replace('%', ''),
+        addonAfter: '%',
+      },
+    },
+  }
+};
+
+export default () => {
+  return (
+    <SchemaRenderer schema={schema} />
+  );
+};
+```
+
+### 精度
+
+```tsx
+/**
+ * title: 精度
+ */
+import React from 'react';
+import { SchemaRenderer } from '../';
+
+const schema = {
+  type: 'object',
+  properties: {
+    input: {
+      type: 'number',
+      title: `编辑模式`,
+      'x-decorator': 'FormItem',
+      'x-component': 'InputNumber',
+      'x-component-props': {
+        placeholder: 'please enter',
+        stringMode: true,
+        step: '0.001',
+      },
+      'x-reactions': {
+        target: 'read',
+        fulfill: {
+          state: {
+            value: '{{$self.value}}',
+          },
+        },
+      },
+    },
+    read: {
+      type: 'number',
+      title: `阅读模式`,
+      'x-read-pretty': true,
+      'x-decorator': 'FormItem',
+      'x-component': 'InputNumber',
+      'x-component-props': {
+        placeholder: 'please enter',
+        stringMode: true,
+        step: '0.001',
+      },
+    },
+  }
+};
+
+export default () => {
+  return (
+    <SchemaRenderer schema={schema} />
+  );
+};
+```
+
+### addonBefore 和 addonAfter 支持
+
+```tsx
+import React from 'react';
+import { SchemaRenderer } from '../';
+
+const schema = {
+  type: 'object',
+  properties: {
+    input: {
+      type: 'number',
+      title: `数字`,
+      'x-component': 'InputNumber',
+      'x-component-props': {
+        placeholder: 'please enter',
+        addonBefore: '前缀',
+        addonAfter: '后缀',
       },
     },
   }
diff --git a/packages/client/src/schemas/input-number/index.tsx b/packages/client/src/schemas/input-number/index.tsx
index ab23fa4f93..e5e8998d84 100644
--- a/packages/client/src/schemas/input-number/index.tsx
+++ b/packages/client/src/schemas/input-number/index.tsx
@@ -1,10 +1,69 @@
-import { connect, mapReadPretty } from '@formily/react'
-import { InputNumber as AntdNumber } from 'antd'
-import { Display } from '../display'
+import React from 'react';
+import { connect, mapReadPretty } from '@formily/react';
+import { InputNumber as AntdNumber, Input, Button } from 'antd';
+import { Display } from '../display';
+import getMiniDecimal, { toFixed } from 'rc-input-number/lib/utils/MiniDecimal';
+import { getNumberPrecision } from 'rc-input-number/lib/utils/numberUtil';
+import { isValid } from '@formily/shared';
+import cls from 'classnames';
+import './style.less';
 
-export const InputNumber = connect(
+export const InputNumber: any = connect(
+  (props) => {
+    const { addonBefore, addonAfter, ...others } = props;
+    const content = <AntdNumber {...others} />;
+    if (!addonBefore && !addonAfter) {
+      return content;
+    }
+    return (
+      <div
+        className={cls('nb-input-number', {
+          'has-addon-before': !!addonBefore,
+          'has-addon-after': !!addonAfter,
+        })}
+      >
+        {addonBefore && (
+          <div className="ant-input-group-addon">{addonBefore}</div>
+        )}
+        {content}
+        {addonAfter && (
+          <div className="ant-input-group-addon">{addonAfter}</div>
+        )}
+      </div>
+    );
+  },
+  mapReadPretty((props: any) => {
+    const { step, value, addonBefore, addonAfter } = props;
+    if (!isValid(value)) {
+      return null;
+    }
+    const precision = Math.max(
+      getNumberPrecision(String(value)),
+      getNumberPrecision(step),
+    );
+    return (
+      <div>
+        {addonBefore}
+        {toFixed(String(value), '.', precision)}
+        {addonAfter}
+      </div>
+    );
+  }),
+);
+
+InputNumber.Percent = connect(
   AntdNumber,
-  mapReadPretty(Display.InputNumber)
-)
+  mapReadPretty((props: any) => {
+    const { step, value } = props;
+    if (!isValid(value)) {
+      return null;
+    }
+    return toFixed(
+      String(value),
+      '.',
+      Math.max(getNumberPrecision(String(value)), getNumberPrecision(step)),
+    );
+  }),
+);
 
-export default InputNumber
+export default InputNumber;
diff --git a/packages/client/src/schemas/input-number/style.less b/packages/client/src/schemas/input-number/style.less
new file mode 100644
index 0000000000..6ba9db9f2c
--- /dev/null
+++ b/packages/client/src/schemas/input-number/style.less
@@ -0,0 +1,27 @@
+.nb-input-number {
+  display: table;
+  width: 100%;
+  line-height: 32px;
+  .ant-input-number {
+    width: 100%;
+  }
+  .ant-input-number,
+  .ant-input-group-addon {
+    display: table-cell;
+  }
+  .ant-input-group-addon {
+    vertical-align: middle;
+  }
+  &.has-addon-before {
+    .ant-input-number {
+      border-top-left-radius: 0;
+      border-bottom-left-radius: 0;
+    }
+  }
+  &.has-addon-after {
+    .ant-input-number {
+      border-top-right-radius: 0;
+      border-bottom-right-radius: 0;
+    }
+  }
+}
\ No newline at end of file