修改login样式

src/views/login.vue

@@ -426,6 +426,10 @@ $fc: rgb(24, 144, 255);
 .login-left {
   // flex: 1;
   margin: 0 auto;
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
 }
 .login-right {
   // flex: 1;