diff --git a/src/utils/baseConfig.js b/src/utils/baseConfig.js
index 1f4fa38..fc603f5 100644
--- a/src/utils/baseConfig.js
+++ b/src/utils/baseConfig.js
@@ -1,5 +1,5 @@
 const project = {
-  title: '后台管理系统前端基础框架'
+  title: '基础资源子系统'
 }
 export function getProject() {
   return project

diff --git a/src/utils/baseConfig.js b/src/utils/baseConfig.js
index 1f4fa38..fc603f5 100644
--- a/src/utils/baseConfig.js
+++ b/src/utils/baseConfig.js
@@ -1,5 +1,5 @@
 const project = {
-  title: '后台管理系统前端基础框架'
+  title: '基础资源子系统'
 }
 export function getProject() {
   return project
diff --git a/src/views/overview/mapSearch.vue b/src/views/overview/mapSearch.vue
index c339059..750be39 100644
--- a/src/views/overview/mapSearch.vue
+++ b/src/views/overview/mapSearch.vue
@@ -426,14 +426,15 @@
         }
       }
       // 底图
-      for (i = 0; i <= 21; i++) {
-        var item = { url: this.baseUrl + this.mapUrl + '/' + i.toString() }
-        this.maps.push(esri.featureLayer(item).addTo(map))
-      }
+      this.maps.push(esri.dynamicMapLayer({
+        url: this.baseUrl + this.mapUrl,
+        minZoom: 4, // 最小缩放等级
+        maxZoom: 21// 最大缩放等级
+      }).addTo(map))
       // 部件
-      for (i = 1; i <= 45; i++) {
+      for (let i = 1; i <= 45; i++) {
         this.layerlist.push(i)
-        item = { url: this.baseUrl + this.partsUrl + '/' + i.toString(), minZoom: 10 }
+        let item = { url: this.baseUrl + this.partsUrl + '/' + i.toString(), minZoom: 10 }
         if (i === 15) {
           item = { url: this.baseUrl + this.partsUrl + '/' + i.toString(), minZoom: 10,
             style: function(feature) {

diff --git a/src/utils/baseConfig.js b/src/utils/baseConfig.js
index 1f4fa38..fc603f5 100644
--- a/src/utils/baseConfig.js
+++ b/src/utils/baseConfig.js
@@ -1,5 +1,5 @@
 const project = {
-  title: '后台管理系统前端基础框架'
+  title: '基础资源子系统'
 }
 export function getProject() {
   return project
diff --git a/src/views/overview/mapSearch.vue b/src/views/overview/mapSearch.vue
index c339059..750be39 100644
--- a/src/views/overview/mapSearch.vue
+++ b/src/views/overview/mapSearch.vue
@@ -426,14 +426,15 @@
         }
       }
       // 底图
-      for (i = 0; i <= 21; i++) {
-        var item = { url: this.baseUrl + this.mapUrl + '/' + i.toString() }
-        this.maps.push(esri.featureLayer(item).addTo(map))
-      }
+      this.maps.push(esri.dynamicMapLayer({
+        url: this.baseUrl + this.mapUrl,
+        minZoom: 4, // 最小缩放等级
+        maxZoom: 21// 最大缩放等级
+      }).addTo(map))
       // 部件
-      for (i = 1; i <= 45; i++) {
+      for (let i = 1; i <= 45; i++) {
         this.layerlist.push(i)
-        item = { url: this.baseUrl + this.partsUrl + '/' + i.toString(), minZoom: 10 }
+        let item = { url: this.baseUrl + this.partsUrl + '/' + i.toString(), minZoom: 10 }
         if (i === 15) {
           item = { url: this.baseUrl + this.partsUrl + '/' + i.toString(), minZoom: 10,
             style: function(feature) {
diff --git a/src/views/overview/overview.vue b/src/views/overview/overview.vue
index d30b509..08d42b9 100644
--- a/src/views/overview/overview.vue
+++ b/src/views/overview/overview.vue
@@ -185,14 +185,14 @@
       //   { subdomains: ['0', '1', '2', '3', '4', '5', '6', '7'] }
       // ).addTo(map))
 
-      // 底图
-      for (i = 0; i <= 21; i++) {
-        var item = { url: this.baseUrl + this.mapUrl + '/' + i.toString() }
-        this.maps.push(esri.featureLayer(item).addTo(map))
-      }
+      this.maps.push(esri.dynamicMapLayer({
+        url: this.baseUrl + this.mapUrl,
+        minZoom: 4, // 最小缩放等级
+        maxZoom: 21// 最大缩放等级
+      }).addTo(map))
       // 部件
-      for (i = 1; i <= 45; i++) {
-        item = { url: this.baseUrl + this.partsUrl + '/' + i.toString(), minZoom: 18 }
+      for (let i = 1; i <= 45; i++) {
+        let item = { url: this.baseUrl + this.partsUrl + '/' + i.toString(), minZoom: 18 }
         if (i === 15) {
           item = { url: this.baseUrl + this.partsUrl + '/' + i.toString(), minZoom: 18,
             style: function(feature) {