增加地图元素清空功能，完成附近医院路线规划功能

src/components/chinaMap/chinaHooks.ts

@@ -47,7 +47,8 @@ export const tabList = [
 export const helicopter = new URL('/@/assets/img/helicopter.png', import.meta.url).href;
 export const mapbg = new URL('/@/assets/img/helicopter.png', import.meta.url).href;
 export const alarmIcon = new URL('/@/assets/img/alarm-icon.png', import.meta.url).href;
-
+export const male = new URL('/@/assets/img/male.png', import.meta.url).href;
+export const female = new URL('/@/assets/img/female.png', import.meta.url).href;
 // 直升机位置数据
 export const aircraft = [
     {
@@ -171,4 +172,4 @@ export function getKmStr(distance: number): string {
     if (!distance) return '';
     let d = convertMetersToKilometers(distance);
     return d >= 1 ? d + '公里' : d * 100 + '米';
-}
+}