fix: '优化仪表盘loading加载效果'

src/pages/homePage/index.jsx

@@ -97,9 +97,6 @@ const HomePage = () => {
     onGetProduct();
     getLimits();
     getMapLayer();
-    setTimeout(() => {
-      setLoading(false);
-    }, 0);
   }, [flag]);
 
   const getLimits = () => {
@@ -152,6 +149,7 @@ const HomePage = () => {
 
   const getOMSDashboard = () => {
     setDashboardData([]);
+    setWebsite([]);
     GetOMSDashboard().then(res => {
       if (res.code === 0) {
         let arr = [];
@@ -174,7 +172,7 @@ const HomePage = () => {
         });
         setTip(newTipList);
         let echartsData = res.data.用户登录统计;
-        echartsData.map(i => {
+        echartsData?.map(i => {
           if (i.月份 !== 1 && i.月份 !== 12) {
             let str = i.日期.split('-')[1];
             i.日期 = `${str}月`;
@@ -228,16 +226,16 @@ const HomePage = () => {
       password: str.password,
     })
       .then(res => {
-        if (!val) {
         setLoading(false);
-        }
         if (res.code === 0) {
           setState(res.data);
+          if (!val) {
             notification.success({
               message: '提示',
               duration: 3,
               description: '连接成功',
             });
+          }
         } else {
           setState();
           notification.error({
@@ -680,8 +678,8 @@ const HomePage = () => {
                 <div>连接状态:</div>
               </div>
               <div className={styles.dataCenterValue}>
-                <div>{dataBase.ip || '-'}</div>
-                <div>{dataBase.dbName || '-'}</div>
+                <div>{dataBase?.ip || '-'}</div>
+                <div>{dataBase?.dbName || '-'}</div>
                 <div className={styles.fontText}>
                   <span
                     className={classnames({