diff --git a/designer-base/src/main/java/com/fr/design/extra/exe/ReadUpdateOnlineExecutor.java b/designer-base/src/main/java/com/fr/design/extra/exe/ReadUpdateOnlineExecutor.java
index 739b84666d..f9e790103d 100644
--- a/designer-base/src/main/java/com/fr/design/extra/exe/ReadUpdateOnlineExecutor.java
+++ b/designer-base/src/main/java/com/fr/design/extra/exe/ReadUpdateOnlineExecutor.java
@@ -1,15 +1,21 @@
 package com.fr.design.extra.exe;
 
+import com.fr.design.dialog.FineJOptionPane;
 import com.fr.design.extra.PluginsReaderFromStore;
 import com.fr.design.extra.Process;
+import com.fr.design.i18n.Toolkit;
+import com.fr.general.SiteBlockedException;
 import com.fr.json.JSONArray;
 import com.fr.json.JSONObject;
 import com.fr.log.FineLoggerFactory;
 import com.fr.plugin.view.PluginView;
 import com.fr.stable.StringUtils;
 
+import javax.swing.JOptionPane;
 import java.util.List;
 
+import static com.fr.design.dialog.FineJOptionPane.OPTION_OK_CANCEL;
+
 /**
  * Created by vito on 16/4/19.
  */
@@ -41,6 +47,11 @@ public class ReadUpdateOnlineExecutor implements Executor {
                                 jsonArray.put(jsonObject);
                             }
                             result = jsonArray.toString();
+                        } catch (SiteBlockedException e1) {
+                            FineJOptionPane.showConfirmDialog(null,
+                                    e1.getMessage(),
+                                    Toolkit.i18nText("Fine-Design_Basic_Alert"), JOptionPane.DEFAULT_OPTION,
+                                    FineJOptionPane.WARNING_MESSAGE, null, OPTION_OK_CANCEL, null);
                         } catch (Exception e) {
                             FineLoggerFactory.getLogger().error(e.getMessage(), e);
                         }
diff --git a/designer-base/src/main/java/com/fr/design/update/ui/dialog/UpdateMainDialog.java b/designer-base/src/main/java/com/fr/design/update/ui/dialog/UpdateMainDialog.java
index 9a849ad4e9..b770290d3c 100644
--- a/designer-base/src/main/java/com/fr/design/update/ui/dialog/UpdateMainDialog.java
+++ b/designer-base/src/main/java/com/fr/design/update/ui/dialog/UpdateMainDialog.java
@@ -56,6 +56,7 @@ import java.util.*;
 import java.util.List;
 import java.util.concurrent.ExecutionException;
 
+import static com.fr.design.dialog.FineJOptionPane.OPTION_OK_CANCEL;
 import static java.nio.charset.StandardCharsets.*;
 import static javax.swing.JOptionPane.QUESTION_MESSAGE;
 
@@ -350,7 +351,17 @@ public class UpdateMainDialog extends UIDialog {
         new SwingWorker<JSONObject, Void>() {
             @Override
             protected JSONObject doInBackground() throws Exception {
-                return new JSONObject(HttpToolbox.get(CloudCenter.getInstance().acquireUrlByKind("jar11.update")));
+                try {
+                    String url = CloudCenter.getInstance().acquireUrlByKind("jar11.update");
+                    return new JSONObject(HttpToolbox.get(url));
+                } catch (SiteBlockedException e) {
+                    stopLoading();
+                    FineJOptionPane.showConfirmDialog(null,
+                            e.getMessage(),
+                            Toolkit.i18nText("Fine-Design_Basic_Alert"), JOptionPane.DEFAULT_OPTION,
+                            FineJOptionPane.WARNING_MESSAGE, null, OPTION_OK_CANCEL, null);
+                }
+                return null;
             }
 
             @Override
diff --git a/designer-chart/src/main/java/com/fr/van/chart/DownloadOnlineSourcesHelper.java b/designer-chart/src/main/java/com/fr/van/chart/DownloadOnlineSourcesHelper.java
index 33dba72f9b..7fc8e7e5ad 100644
--- a/designer-chart/src/main/java/com/fr/van/chart/DownloadOnlineSourcesHelper.java
+++ b/designer-chart/src/main/java/com/fr/van/chart/DownloadOnlineSourcesHelper.java
@@ -5,9 +5,11 @@ import com.fr.design.RestartHelper;
 import com.fr.design.dialog.FineJOptionPane;
 import com.fr.design.extra.PluginConstants;
 import com.fr.design.gui.ilable.UILabel;
+import com.fr.design.i18n.Toolkit;
 import com.fr.design.utils.gui.GUICoreUtils;
 import com.fr.general.CloudCenter;
 import com.fr.general.IOUtils;
+import com.fr.general.SiteBlockedException;
 import com.fr.general.http.HttpClient;
 import com.fr.plugin.chart.DownloadSourcesEvent;
 import com.fr.stable.CommonUtils;
@@ -33,6 +35,8 @@ import java.awt.event.WindowAdapter;
 import java.awt.event.WindowEvent;
 import java.awt.image.BufferedImage;
 
+import static com.fr.design.dialog.FineJOptionPane.OPTION_OK_CANCEL;
+
 /**
  * Created by shine on 2017/8/21.
  */
@@ -69,7 +73,15 @@ public class DownloadOnlineSourcesHelper implements DownloadSourcesEvent {
             //本地有这个资源，不下载
             return;
         }
-        httpClient = new HttpClient(CloudCenter.getInstance().acquireUrlByKind(siteKind));
+        try {
+            httpClient = new HttpClient(CloudCenter.getInstance().acquireUrlByKind(siteKind));
+        } catch (SiteBlockedException e) {
+            FineJOptionPane.showConfirmDialog(null,
+                    e.getMessage(),
+                    Toolkit.i18nText("Fine-Design_Basic_Alert"), JOptionPane.DEFAULT_OPTION,
+                    FineJOptionPane.WARNING_MESSAGE, null, OPTION_OK_CANCEL, null);
+            return;
+        }
         if (httpClient.getResponseCode() != HttpURLConnection.HTTP_OK) {
             //服务器连不上，不下载
             return;
@@ -116,12 +128,22 @@ public class DownloadOnlineSourcesHelper implements DownloadSourcesEvent {
     private void downloadAndInstallPluginDependenceFile() {
         try {
             double currentBytesRead = 0;
+            result = false;
 
             for (int i = 0; i < list.size(); i++) {
                 SiteInfo siteInfo = list.get(i);
-
-                httpClient = new HttpClient(CloudCenter.getInstance().acquireUrlByKind(siteInfo.siteKind));
+                try {
+                    httpClient = new HttpClient(CloudCenter.getInstance().acquireUrlByKind(siteInfo.siteKind));
+                } catch (SiteBlockedException e) {
+                    FineJOptionPane.showConfirmDialog(null,
+                            e.getMessage(),
+                            Toolkit.i18nText("Fine-Design_Basic_Alert"), JOptionPane.DEFAULT_OPTION,
+                            FineJOptionPane.WARNING_MESSAGE, null, OPTION_OK_CANCEL, null);
+                    result = false;
+                    return;
+                }
                 if (httpClient.getResponseCode() == HttpURLConnection.HTTP_OK) {
+                    result = true;
                     String temp = StableUtils.pathJoin(PluginConstants.DOWNLOAD_PATH, PluginConstants.TEMP_FILE);
                     File file = new File(temp);
                     StableUtils.makesureFileExist(file);