diff --git a/web/public/static/js/config.js b/web/public/static/js/config.js
index 1bf43500c..43329f722 100644
--- a/web/public/static/js/config.js
+++ b/web/public/static/js/config.js
@@ -16,7 +16,7 @@ window.mapParam = {
   // 默认地图中心点
   center:[116.41020, 39.915119],
   // 地图最大层级
-  maxZoom:19,
+  maxZoom:18,
   // 地图最小层级
   minZoom: 3
 }
diff --git a/web/src/views/common/MapComponent.vue b/web/src/views/common/MapComponent.vue
index ea5b1c97c..a14224c73 100755
--- a/web/src/views/common/MapComponent.vue
+++ b/web/src/views/common/MapComponent.vue
@@ -151,6 +151,7 @@ export default {
       tileUrl += `?geoCoordSys=${this.mapTileList[this.mapTileIndex].coordinateSystem}&accessToken=${this.$store.getters.token}`
       let source = new VectorTileSource({
         format: new MVT(),
+        tileSize: 256,
         url: tileUrl
       })
       let layer = new VectorTileLayer({