diff --git a/index.js b/index.js
index abc948ced89611d641e1cb59b8a033c35ec4255d..a5c906f0b6086a99e68d8fc75322453d12b3071d 100644
--- a/index.js
+++ b/index.js
@@ -6,7 +6,8 @@ import {
   TextInput,
   findNodeHandle,
   AppRegistry,
-  AccessibilityInfo
+  AccessibilityInfo,
+  Platform
 } from 'react-native';
 import PropTypes from 'prop-types'
 
@@ -62,6 +63,7 @@ export class CustomTextInput extends Component {
   constructor () {
     super()
     this._isA11yEnable = false;
+    this._installCustomInput = this._installCustomInput.bind(this)
     AccessibilityInfo.addEventListener('change', this._changeListener)
     AccessibilityInfo.fetch().then((isEnable) => {
       this._isA11yEnable = isEnable;
@@ -72,22 +74,10 @@ export class CustomTextInput extends Component {
     this._isA11yEnable = isEnable;
   }
   componentDidMount() {
-    // 这里要加延时是为了解决 iOS 在 iOS16.5 以上经常拉起系统键盘，没有出现自定义键盘的问题
-    this._timer = setTimeout(() => {
-      install(
-          findNodeHandle(this.input),
-          this.props.customKeyboardType,
-          this.props.maxLength === undefined ? 1024 : this.props.maxLength,
-          getKeyboardHeightByType(this.props.customKeyboardType)
-      );
-    }, 5)
+    this._installCustomInput()
   }
 
   componentWillUnmount () {
-    if (this._timer) {
-      clearTimeout(this._timer)
-      this._timer = null
-    }
     AccessibilityInfo.removeEventListener('change', this._changeListener)
   }
 
@@ -101,6 +91,34 @@ export class CustomTextInput extends Component {
       );
     }
   }
+
+  _installCustomInput () {
+    if (Platform.OS === 'ios') {
+      // 为了解决 iOS 还未完成 AppRegistry.registerComponent 就调用了 install 方法，造成展示了系统键盘的问题，需要给 install 加个延时
+      // 为了避免系统键盘闪现，刚开始不设置 autoFocus，延时设置
+      setTimeout(() => {
+        install(
+            findNodeHandle(this.input),
+            this.props.customKeyboardType,
+            this.props.maxLength === undefined ? 1024 : this.props.maxLength,
+            getKeyboardHeightByType(this.props.customKeyboardType)
+        );
+        const { autoFocus } = this.props
+        if (autoFocus && this.input) {
+          let number = findNodeHandle(this.input);
+          TextInput.State.focusTextInput(number);
+        }
+      }, 10)
+    } else {
+      install(
+          findNodeHandle(this.input),
+          this.props.customKeyboardType,
+          this.props.maxLength === undefined ? 1024 : this.props.maxLength,
+          getKeyboardHeightByType(this.props.customKeyboardType)
+      );
+    }
+  }
+
   onRef = ref => {
     if (ref) {
       this.input = ref;
@@ -163,8 +181,8 @@ export class CustomTextInput extends Component {
 
 
   render() {
-    const { customKeyboardType, ...others } = this.props;
-    return <TextInput {...others} keyboardType={'numeric'} ref={this.onRef} onFocus={this.onFocus} onSelectionChange={this.onSelectionChange} />;
+    const { customKeyboardType, autoFocus, ...others } = this.props;
+    return <TextInput {...others} autoFocus={(Platform.OS === 'ios') ? false : autoFocus} keyboardType={'numeric'} ref={this.onRef} onFocus={this.onFocus} onSelectionChange={this.onSelectionChange} />;
   }
 }