diff --git a/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleCNMapInfo.java b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleCNMapInfo.java
new file mode 100644
index 00000000..fa19c567
--- /dev/null
+++ b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleCNMapInfo.java
@@ -0,0 +1,39 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.meteoinfo.data.mapdata.webmap;
+
+/**
+ *
+ * @author yaqiang
+ */
+public class GoogleCNMapInfo extends TileFactoryInfo {
+
+    // <editor-fold desc="Variables">
+    private String version = "1173";
+    private String clientKey = null;
+    // </editor-fold>
+    // <editor-fold desc="Constructor">
+
+    /**
+     * Constructor
+     */
+    public GoogleCNMapInfo() {
+        super("GoogleCNMap", 1, 17, 19,
+                256, true, true, // tile size is 256 and x/y orientation is normal
+                "https://gac-geo.googlecnapps.cn/maps/vt?lyrs=m&x=%1$d&y=%2$d&z=%3$d",
+                "x", "y", "z");
+    }
+    // </editor-fold>
+
+    // <editor-fold desc="Methods">
+    @Override
+    public String getTileUrl(int x, int y, int zoom) {
+        zoom = this.getTotalMapZoom() - zoom;
+        String url = String.format(this.baseURL, x, y, zoom);
+
+        return url;
+    }
+    // </editor-fold>
+}
diff --git a/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleCNSatelliteMapInfo.java b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleCNSatelliteMapInfo.java
new file mode 100644
index 00000000..fbfdfd86
--- /dev/null
+++ b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleCNSatelliteMapInfo.java
@@ -0,0 +1,39 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.meteoinfo.data.mapdata.webmap;
+
+/**
+ *
+ * @author yaqiang
+ */
+public class GoogleCNSatelliteMapInfo extends TileFactoryInfo {
+
+    // <editor-fold desc="Variables">
+    private String version = "1173";
+    private String clientKey = null;
+    // </editor-fold>
+    // <editor-fold desc="Constructor">
+
+    /**
+     * Constructor
+     */
+    public GoogleCNSatelliteMapInfo() {
+        super("GoogleCNSatelliteMap", 1, 17, 19,
+                256, true, true, // tile size is 256 and x/y orientation is normal
+                "https://gac-geo.googlecnapps.cn/maps/vt?lyrs=s&x=%1$d&y=%2$d&z=%3$d",
+                "x", "y", "z");
+    }
+    // </editor-fold>
+
+    // <editor-fold desc="Methods">
+    @Override
+    public String getTileUrl(int x, int y, int zoom) {
+        zoom = this.getTotalMapZoom() - zoom;
+        String url = String.format(this.baseURL, x, y, zoom);
+
+        return url;
+    }
+    // </editor-fold>
+}
diff --git a/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleCNTerrainMapInfo.java b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleCNTerrainMapInfo.java
new file mode 100644
index 00000000..bdba27d6
--- /dev/null
+++ b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleCNTerrainMapInfo.java
@@ -0,0 +1,39 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.meteoinfo.data.mapdata.webmap;
+
+/**
+ *
+ * @author yaqiang
+ */
+public class GoogleCNTerrainMapInfo extends TileFactoryInfo {
+
+    // <editor-fold desc="Variables">
+    private String version = "1173";
+    private String clientKey = null;
+    // </editor-fold>
+    // <editor-fold desc="Constructor">
+
+    /**
+     * Constructor
+     */
+    public GoogleCNTerrainMapInfo() {
+        super("GoogleCNTerrainMap", 1, 17, 19,
+                256, true, true, // tile size is 256 and x/y orientation is normal
+                "https://gac-geo.googlecnapps.cn/maps/vt?lyrs=p&x=%1$d&y=%2$d&z=%3$d",
+                "x", "y", "z");
+    }
+    // </editor-fold>
+
+    // <editor-fold desc="Methods">
+    @Override
+    public String getTileUrl(int x, int y, int zoom) {
+        zoom = this.getTotalMapZoom() - zoom;
+        String url = String.format(this.baseURL, x, y, zoom);
+
+        return url;
+    }
+    // </editor-fold>
+}
diff --git a/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleMapInfo.java b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleMapInfo.java
index 079c695c..83290a45 100644
--- a/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleMapInfo.java
+++ b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleMapInfo.java
@@ -19,11 +19,7 @@ public class GoogleMapInfo extends TileFactoryInfo {
     /**
      * Constructor
      */
-    public GoogleMapInfo() {        
-//        super("GoogleMap", 1, 17, 19,
-//                256, true, true, // tile size is 256 and x/y orientation is normal
-//                "http://ecn.t%1$d.tiles.virtualearth.net/tiles/r%2$s?g=%3$s&mkt=%4$s&lbl=l1&stl=h&shading=hill&n=z%5$s",
-//                "x", "y", "z");
+    public GoogleMapInfo() {
         super("GoogleMap", 1, 17, 19,
                 256, true, true, // tile size is 256 and x/y orientation is normal
                 "http://mt2.google.cn/vt/lyrs=m&hl=%1$s&gl=cn&x=%2$d&y=%3$d&z=%4$d&s=Galil",
@@ -43,18 +39,6 @@ public class GoogleMapInfo extends TileFactoryInfo {
         //String url = String.format(this.baseURL, x, y, zoom, this.getLanguage());
         return url;
     }
-
-//    @Override
-//    public String getTileUrl(int x, int y, int zoom, String language) {
-//        zoom = this.getTotalMapZoom() - zoom;
-//        int serverNum = this.getServerNum(x, y, 4);
-//        String key = this.tileXYToQuadKey(x, y, zoom);
-//        String ckey = this.clientKey;
-//        if (ckey == null)
-//            ckey = "";
-//        String url = String.format(this.baseURL, serverNum, key, version, language, zoom, x, y);
-//        return url;
-//    }
     /// <summary>
     /// Converts tile XY coordinates into a QuadKey at a specified level of detail.
     /// </summary>
diff --git a/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleSatelliteMapInfo.java b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleSatelliteMapInfo.java
index 617c7871..5040acb5 100644
--- a/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleSatelliteMapInfo.java
+++ b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/GoogleSatelliteMapInfo.java
@@ -21,9 +21,6 @@ public class GoogleSatelliteMapInfo extends TileFactoryInfo {
                 256, true, true, // tile size is 256 and x/y orientation is normal
                 "http://mt3.google.cn/vt/lyrs=s&hl=%1$s&gl=cn&x=%2$d&y=%3$d&z=%4$d&s=Galil",
                 "x", "y", "z");
-        //String url = "http://mt1.google.com/vt/lyrs=y&hl=%s&x=%d&y=%d&z=%d&s=Ga";
-        //String url = "http://mt3.google.com/vt/lyrs=s&hl=%1$s&gl=cn&x=%2$d&y=%3$d&z=%4$d&s=Galil";
-        //this.baseURL = url;
     }
 //    // </editor-fold>
 //    // <editor-fold desc="Get Set Methods">
diff --git a/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/WebMapProvider.java b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/WebMapProvider.java
index 57956ee8..626f8b9f 100644
--- a/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/WebMapProvider.java
+++ b/meteoinfo-data/src/main/java/org/meteoinfo/data/mapdata/webmap/WebMapProvider.java
@@ -10,36 +10,49 @@ package org.meteoinfo.data.mapdata.webmap;
  */
 public enum WebMapProvider {
     //SwingLabsBlueMarble,
-    OpenStreetMap,
-    OpenStreetMapQuestSatellite,
-    BingMap,
-    BingSatelliteMap,
-    BingHybridMap,
-    GoogleMap,
-    GoogleSatelliteMap,
-    GoogleTerrainMap,
-    GoogleHybridMap,
-    GoogleHybridTerrainMap,
-    AMap,
-    ASatelliteMap,
-    AHybridMap,
-    TencentMap,
-    GeoQMap,
-    GeoQGrayMap,
-    GeoQBlueMap,
-    GeoQWarmMap,
-    //BaiduMap,
-    //BaiduSatelliteMap,
-    //OviMap,
-    //OviSatelliteMap,
-    //OviTerrainMap,
-    //OviHybridMap,
-    YahooMap,
-    YahooSatelliteMap,
-    YahooHybridMap,
-    CMA_CVA_MAP,
-    CMA_VEC_MAP,
-    CMA_IMG_MAP,
-    //ArcGISImage
-    Custom
+    OpenStreetMap(new OpenStreetMapInfo()),
+    OpenStreetMapQuestSatellite(new OpenStreetMapQuestSatelliteInfo()),
+    BingMap(new BingMapInfo()),
+    BingSatelliteMap(new BingSatelliteMapInfo()),
+    BingHybridMap(new BingHybridMapInfo()),
+    GoogleMap(new GoogleMapInfo()),
+    GoogleSatelliteMap(new GoogleSatelliteMapInfo()),
+    GoogleTerrainMap(new GoogleTerrainMapInfo()),
+    GoogleHybridMap(new GoogleHybridMapInfo()),
+    GoogleHybridTerrainMap(new GoogleHybridTerrainMapInfo()),
+    GoogleCNMap(new GoogleCNMapInfo()),
+    GoogleCNSatelliteMap(new GoogleCNSatelliteMapInfo()),
+    GoogleCNTerrainMap(new GoogleCNTerrainMapInfo()),
+    AMap(new AMapInfo()),
+    ASatelliteMap(new ASatelliteMapInfo()),
+    AHybridMap(new AHybridMapInfo()),
+    TencentMap(new TencentMapInfo()),
+    GeoQMap(new GeoQMapInfo()),
+    GeoQGrayMap(new GeoQGrayMapInfo()),
+    GeoQBlueMap(new GeoQBlueMapInfo()),
+    GeoQWarmMap(new GeoQWarmMapInfo()),
+    YahooMap(new YahooMapInfo()),
+    YahooSatelliteMap(new YahooSatelliteMapInfo()),
+    YahooHybridMap(new YahooHybridMapInfo()),
+    CMA_CVA_MAP(new CMACvaMapInfo()),
+    CMA_VEC_MAP(new CMAVecMapInfo()),
+    CMA_IMG_MAP(new CMAImgMapInfo());
+
+    private final TileFactoryInfo tileFactoryInfo;
+
+    /**
+     * Constructor
+     * @param tileFactoryInfo Tile factory info
+     */
+    WebMapProvider(TileFactoryInfo tileFactoryInfo) {
+        this.tileFactoryInfo = tileFactoryInfo;
+    }
+
+    /**
+     * Get tile factory info
+     * @return Tile factory info
+     */
+    public TileFactoryInfo getTileFactoryInfo() {
+        return this.tileFactoryInfo;
+    }
 }
diff --git a/meteoinfo-geo/src/main/java/org/meteoinfo/geo/layer/WebMapLayer.java b/meteoinfo-geo/src/main/java/org/meteoinfo/geo/layer/WebMapLayer.java
index b8b6d187..981f4194 100644
--- a/meteoinfo-geo/src/main/java/org/meteoinfo/geo/layer/WebMapLayer.java
+++ b/meteoinfo-geo/src/main/java/org/meteoinfo/geo/layer/WebMapLayer.java
@@ -394,107 +394,7 @@ public class WebMapLayer extends MapLayer {
      * @param prov The web map provider
      */
     public void setWebMapProvider(WebMapProvider prov) {        
-        TileFactoryInfo info = null;
-        switch (prov) {
-//            case SwingLabsBlueMarble:
-//                setTileFactory(new CylindricalProjectionTileFactory());
-//                setZoom(3);
-//                return;
-            case OpenStreetMap:
-                info = new OpenStreetMapInfo();
-                break;
-            case OpenStreetMapQuestSatellite:
-                info = new OpenStreetMapQuestSatelliteInfo();
-                break;
-            case BingMap:
-                info = new BingMapInfo();
-                break;
-            case BingSatelliteMap:
-                info = new BingSatelliteMapInfo();
-                break;
-            case BingHybridMap:
-                info = new BingHybridMapInfo();
-                break;
-//            case OviMap:
-//                info = new OviMapInfo();
-//                break;
-//            case OviSatelliteMap:
-//                info = new OviSatelliteMapInfo();
-//                break;
-//            case OviTerrainMap:
-//                info = new OviTerrainMapInfo();
-//                break;
-//            case OviHybridMap:
-//                info = new OviHybridMapInfo();
-//                break;
-            case YahooMap:
-                info = new YahooMapInfo();
-                break;
-            case YahooSatelliteMap:
-                info = new YahooSatelliteMapInfo();
-                break;
-            case YahooHybridMap:
-                info = new YahooHybridMapInfo();
-                break;
-            case GoogleMap:
-                info = new GoogleMapInfo();
-                break;
-            case GoogleSatelliteMap:
-                info = new GoogleSatelliteMapInfo();
-                break;
-            case GoogleTerrainMap:
-                info = new GoogleTerrainMapInfo();
-                break;
-            case GoogleHybridMap:
-                info = new GoogleHybridMapInfo();
-                break;
-            case GoogleHybridTerrainMap:
-                info = new GoogleHybridTerrainMapInfo();
-                break;
-//            case BaiduMap:
-//                info = new BaiduMapInfo();
-//                break;
-//            case BaiduSatelliteMap:
-//                info = new BaiduSatelliteMapInfo();
-//                break;
-            case AMap:
-                info = new AMapInfo();
-                break;
-            case ASatelliteMap:
-                info = new ASatelliteMapInfo();
-                break;
-            case AHybridMap:
-                info = new AHybridMapInfo();
-                break;
-            case TencentMap:
-                info = new TencentMapInfo();
-                break;
-            case GeoQMap:
-                info = new GeoQMapInfo();
-                break;
-            case GeoQGrayMap:
-                info = new GeoQGrayMapInfo();
-                break;
-            case GeoQBlueMap:
-                info = new GeoQBlueMapInfo();
-                break;
-            case GeoQWarmMap:
-                info = new GeoQWarmMapInfo();
-                break;
-            case CMA_CVA_MAP:
-                info = new CMACvaMapInfo();
-                break;
-            case CMA_VEC_MAP:
-                info = new CMAVecMapInfo();
-                break;
-            case CMA_IMG_MAP:
-                info = new CMAImgMapInfo();
-                break;
-//            case ArcGISImage:
-//                info = new ArcGISImageInfo();
-//                break;
-        }
-
+        TileFactoryInfo info = prov.getTileFactoryInfo();
         if (info != null) {
             this.defaultProvider = prov;
             this.setLayerName("WebMap_" + info.getName());
diff --git a/meteoinfo-map/config.xml b/meteoinfo-map/config.xml
index 128ef8e8..3dde8050 100644
--- a/meteoinfo-map/config.xml
+++ b/meteoinfo-map/config.xml
@@ -8,5 +8,5 @@
   <ScriptLanguage Language="Jython"/>
   <LookFeel LafDecorated="true" Name="FlatLightLaf"/>
   <Figure DoubleBuffering="true"/>
-  <Startup MainFormLocation="-7,-7" MainFormSize="1293,685" ShowMeteoDataDlg="true"/>
+  <Startup MainFormLocation="-5,1" MainFormSize="1293,685" ShowMeteoDataDlg="true"/>
 </MeteoInfo>