diff --git a/src/main.js b/src/main.js
index 69b32de..f0a23ef 100644
--- a/src/main.js
+++ b/src/main.js
@@ -15,6 +15,7 @@ import axios from 'axios'
 import qs from 'qs'
 
 import store from './store/index'
+import { extractWMTSBoundsInfo } from '@/utils/mapbox-utils'
 
 window.sessionStorage.setItem('webInfo', 'ASOS')
 Vue.use(ElementUI, { locale: Zhlocale })
@@ -34,6 +35,17 @@ new Vue({
 
 // 定义部分全局变量
 Vue.config.maps = {};
+Vue.config.firstRender = true;
+Vue.config.boundsInfoList = [];
 Vue.config.baseUrl = process.env.NODE_ENV === 'development' ? 'http://124.222.8.13:9801' : `${window.location.protocol}//${window.location.hostname}:${window.location.port}`
 Vue.config.wwwrootBaseUrl = "_content/IDSSE.OceanExplorer.Shared";
-Vue.config.sprites = ["go.png", "ship.png", "ship1.png", "ship2.png", "ship3.png", "fdz.png", "shys.png", "auv.png", "aircraft.png", "aircraft-r.png", "arrow.png", "dot.png", "dot_red.png", "default.png", "info-dark.png", "warning-dark.png", "warning-red.png", "slow_sog.png", "stop_sog.png", "海底主基站.png", "石油平台.png", "岸基站.png", "circle-red.png", "circle-green.png", "circle-blue.png", "circle-yellow.png", "circle-purple.png", "circle-black.png", "circle-white.png"];
\ No newline at end of file
+Vue.config.sprites = ["go.png", "ship.png", "ship1.png", "ship2.png", "ship3.png", "fdz.png", "shys.png", "auv.png", "aircraft.png", "aircraft-r.png", "arrow.png", "dot.png", "dot_red.png", "default.png", "info-dark.png", "warning-dark.png", "warning-red.png", "slow_sog.png", "stop_sog.png", "海底主基站.png", "石油平台.png", "岸基站.png", "circle-red.png", "circle-green.png", "circle-blue.png", "circle-yellow.png", "circle-purple.png", "circle-black.png", "circle-white.png"];
+
+if (Vue.config.firstRender) {
+  Vue.config.firstRender = !Vue.config.firstRender;
+  fetch(`${Vue.config.baseUrl}/geoserver/gwc/service/wmts?service=WMTS&acceptVersions=1.0.0&request=GetCapabilities`)
+    .then(response => response.text())
+    .then(async (xmlContent) => {
+      Vue.config.boundsInfoList = await extractWMTSBoundsInfo(xmlContent);
+    });
+}
\ No newline at end of file