perf: 仅有一个站点时，不展示站点选择器

src/layouts/BasicLayout.js

@@ -172,7 +172,7 @@ const renderSite = ({ data, config, loading, setLoading, action }) => {
             onVisibleChange={visible => setVisible(visible)}
           >
             {
-              Array.isArray(data.stations) ? (
+              Array.isArray(data.allStation) && Array.isArray(data.allStation).length > 1 ? (
                 <div className={layoutStyles.toggleSite}>
                   <img src={require('../assets/basic/site.png')} className={layoutStyles.site} />
                   <span className={layoutStyles.name}>{data.currentStationName}</span>

src/layouts/Site.js

@@ -204,6 +204,7 @@ class Site {
                       );
                       resolve({
                         stations,
+                        allStation,
                         weathers: {
                           icon: `https://panda-water.cn/web4/assets/images/weather2/${imgPath}`,
                           text: `${text}      ${firtValue.temperatureFirst}`,
@@ -216,6 +217,7 @@ class Site {
                   } else {
                     resolve({
                       stations,
+                      allStation,
                       siteCityList: self.siteCityList,
                       citySelector: self.citySelector,
                       currentStationName: self.currentStationName,
@@ -226,6 +228,7 @@ class Site {
                 .catch(error => {
                   resolve({
                     stations,
+                    allStation,
                     currentStationName: self.currentStationName,
                     weathers: {},
                     siteCityList: self.siteCityList,
@@ -235,6 +238,7 @@ class Site {
             } else {
               resolve({
                 stations,
+                allStation,
                 currentStationName: self.currentStationName,
                 weathers: {},
                 siteCityList: self.siteCityList,