diff --git a/designer-base/src/main/java/com/fr/design/VersionCheckUtils.java b/designer-base/src/main/java/com/fr/design/VersionCheckUtils.java
index d823ea6d2e..754b8a8b18 100644
--- a/designer-base/src/main/java/com/fr/design/VersionCheckUtils.java
+++ b/designer-base/src/main/java/com/fr/design/VersionCheckUtils.java
@@ -52,6 +52,7 @@ import java.util.List;
 import java.util.Map;
 import java.util.Set;
 import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.TimeUnit;
 
 /**
  * @author pengda
@@ -287,6 +288,7 @@ public class VersionCheckUtils {
                             @Override
                             public void updateProgress(String description, double progress) {
                             }
+
                             @Override
                             public void done(PluginTaskResult result) {
                                 latch.countDown();
@@ -295,9 +297,9 @@ public class VersionCheckUtils {
                     }
                 }
                 try {
-                    latch.await();
+                    latch.await(5000, TimeUnit.MILLISECONDS);
                 } catch (InterruptedException e) {
-                    e.printStackTrace();
+                    FineLoggerFactory.getLogger().error(e.getMessage(), e);
                 }
             }
         }
@@ -314,6 +316,7 @@ public class VersionCheckUtils {
             }
             syncFailedPlugins.add(plugin);
         }
+        CommonIOUtils.deleteFile(new File(SYNCLIB));
         return syncFailedPlugins;
     }
 
@@ -378,7 +381,7 @@ public class VersionCheckUtils {
         JSONObject differentPlugin;
         String id;
         String version;
-        try {
+        if (differentPlugins != null) {
             for (int i = 0; i < differentPlugins.size(); i++) {
                 String url = null;
                 differentPlugin = differentPlugins.getJSONObject(i);
@@ -392,11 +395,10 @@ public class VersionCheckUtils {
                 } catch (Exception e) {
                     FineLoggerFactory.getLogger().error(e.getMessage(), e);
                 }
-
-                downloadURL.put(id + "-" + version, url);
+                if (url != null) {
+                    downloadURL.put(id + "-" + version, url);
+                }
             }
-        } catch (Exception e) {
-
         }
         return getPluginZipDownloadURL(downloadURL);
     }
@@ -406,6 +408,7 @@ public class VersionCheckUtils {
         CloseableHttpResponse httpResponse;
         HttpGet httpGet = new HttpGet();
         InputStream in = null;
+        HashMap<String,String> downloadURLs = new HashMap<>();
         try {
             for (String idAndVersion : urls.keySet()) {
                 httpClient = HttpToolbox.getHttpClient(urls.get(idAndVersion));
@@ -415,7 +418,7 @@ public class VersionCheckUtils {
                 JSONObject urlJson = new JSONObject(IOUtils.inputStream2String(in));
                 String downloadURL = urlJson.getString("result");
                 if (downloadURL != null) {
-                    urls.replace(idAndVersion, urlJson.getString("result"));
+                    downloadURLs.put(idAndVersion,downloadURL);
                 }
             }
         } catch (Exception e) {
@@ -423,6 +426,6 @@ public class VersionCheckUtils {
         } finally {
             CommonIOUtils.close(in);
         }
-        return urls;
+        return downloadURLs;
     }
 }