feat: 优化代码

Author: crazyair

src/PickerInput/Selector/Input.tsx

@@ -98,14 +98,7 @@ const Input = React.forwardRef<InputRef, InputProps>((props, ref) => {
   React.useImperativeHandle(ref, () => ({
     nativeElement: holderRef.current,
     inputElement: inputRef.current,
-    focus: (options) => {
-      if (typeof options === 'object') {
-        const { index, ...rest } = options;
-        inputRef.current.focus(rest);
-      } else {
-        inputRef.current.focus();
-      }
-    },
+    focus: inputRef.current.focus,
     blur: () => {
       inputRef.current.blur();
     },

src/PickerInput/Selector/SingleSelector/index.tsx

@@ -116,14 +116,7 @@ function SingleSelector<DateType extends object = any>(
 
   React.useImperativeHandle(ref, () => ({
     nativeElement: rootRef.current,
-    focus: (options) => {
-      if (typeof options === 'object') {
-        const { index, ...rest } = options;
-        inputRef.current.focus(rest);
-      } else {
-        inputRef.current.focus();
-      }
-    },
+    focus: inputRef.current.focus,
     blur: () => {
       inputRef.current?.blur();
     },