修改租户余额展示

src/layout/navBars/breadcrumb/user.vue

@@ -26,9 +26,9 @@
 <!--		</el-dropdown>-->
 		<!-- 租户名称和余额 -->
 		<div class="layout-navbars-breadcrumb-tenant" v-if="tenantInfo">
-			<span class="tenant-name">{{ tenantInfo.tenantName }}</span>
+			<span class="tenant-name">租户: {{ tenantInfo.tenantName }}</span>
 			<span class="tenant-divider">|</span>
-			<span class="tenant-balance">余额: {{ tenantInfo.surplus }}</span>
+			<span class="tenant-balance">余额: {{ tenantInfo.surplus.toFixed(2) }}</span>
 		</div>
 		<div class="layout-navbars-breadcrumb-user-icon" @click="onSearchClick">
 			<el-icon :title="$t('message.user.title2')">