登录界面：姐姐点击登录后界面疯狂闪动的问题

src/views/Login/components/LoginForm.vue

@@ -230,6 +230,7 @@ const getCookie = () => {
     }
   }
 }
+const loading = ref() // ElLoading.service 返回的实例
 // 登录
 const handleLogin = async (params) => {
   loginLoading.value = true
@@ -244,7 +245,7 @@ const handleLogin = async (params) => {
     if (!res) {
       return
     }
-    ElLoading.service({
+    loading.value = ElLoading.service({
       lock: true,
       text: '正在加载系统中...',
       background: 'rgba(0, 0, 0, 0.7)'
@@ -264,13 +265,9 @@ const handleLogin = async (params) => {
     } else {
       push({ path: redirect.value || permissionStore.addRouters[0].path })
     }
-  } catch {
-    loginLoading.value = false
   } finally {
-    setTimeout(() => {
-      const loadingInstance = ElLoading.service()
-      loadingInstance.close()
-    }, 400)
+    loginLoading.value = false
+    loading.value.close()
   }
 }