diff --git a/Widget.js b/Widget.js
index 679e486..e109208 100644
--- a/Widget.js
+++ b/Widget.js
@@ -47,8 +47,25 @@ define([
         }
       },
 
+      _removeAllLayersExceptBasemap: function(){
+        for(var l = this.map.layerIds.length - 1; l>1; l--){
+          var lyr = this.map.getLayer(this.map.layerIds[l]);
+          if(lyr){
+            this.map.removeLayer(lyr);
+          }
+        }
+        var f = this.map.graphicsLayerIds.length;
+        while (f--){
+          var fl = this.map.getLayer(this.map.graphicsLayerIds[f]);
+            if(fl.declaredClass === 'esri.layers.FeatureLayer'){
+            this.map.removeLayer(fl);
+          }
+        }
+      },
+
       startup: function () {
         this._originalWebMap = this.map.webMapResponse.itemInfo.item.id;
+        this._removeAllLayersExceptBasemap();
         if (this.config.useProxy) {
           urlUtils.addProxyRule({
             urlPrefix: this.config.proxyPrefix,
diff --git a/setting/Setting.js b/setting/Setting.js
index 5fc0b7e..cc871e4 100644
--- a/setting/Setting.js
+++ b/setting/Setting.js
@@ -75,8 +75,25 @@ define([
         this._initLayersTable();
       },
 
+      _removeAllLayersExceptBasemap: function(){
+        for(var l = this.map.layerIds.length - 1; l>1; l--){
+          var lyr = this.map.getLayer(this.map.layerIds[l]);
+          if(lyr){
+            this.map.removeLayer(lyr);
+          }
+        }
+        var f = this.map.graphicsLayerIds.length;
+        while (f--){
+          var fl = this.map.getLayer(this.map.graphicsLayerIds[f]);
+            if(fl.declaredClass === 'esri.layers.FeatureLayer'){
+            this.map.removeLayer(fl);
+          }
+        }
+      },
+
       getConfig: function() {
         this.config.layers.layer =  this._getAllLayers();
+        this._removeAllLayersExceptBasemap();
         console.info(this.config);
         return this.config;
       },