diff --git a/designer_base/src/com/fr/design/extra/PluginHelper.java b/designer_base/src/com/fr/design/extra/PluginHelper.java
index d160e1c9c..1230cbfae 100644
--- a/designer_base/src/com/fr/design/extra/PluginHelper.java
+++ b/designer_base/src/com/fr/design/extra/PluginHelper.java
@@ -46,7 +46,6 @@ public class PluginHelper {
     public static final String TEMP_FILE = "temp.zip";
     public static final String CONNECTION_404 = "404";
     
-    private static final String LOW_VERSION = "0";
 
     /**
      * 下载插件
@@ -343,67 +342,10 @@ public class PluginHelper {
      */
     public static boolean isNewThan(Plugin plugin, Plugin oldPlugin) {
     
-        return compareVersion(plugin.getVersion(), oldPlugin.getVersion()) >= 0;
+        return plugin.versionCompareTo(oldPlugin) >= 0;
     }
     
-    private static int compareVersion(String version1, String version2) {
-        
-        if (StringUtils.isBlank(version1)) {
-            version1 = LOW_VERSION;
-        }
-        if (StringUtils.isBlank(version2)) {
-            version2 = LOW_VERSION;
-        }
-        //1.1.1类型
-        String[] v1 = parseVersion(version1);
-        String[] v2 = parseVersion(version2);
-        return compareVersion(v1, v2);
-    }
     
-    private static int compareVersion(String[] v1, String[] v2) {
-        //v1，v2都是1.1.1类型的数组
-        int result = 0;
-        int tempResult;
-        for (int i = 0; i < v1.length; i++) {
-            if (i >= v2.length) {
-                //一直没分出大小，v2用完了，v1大
-                result = 1;
-                break;
-            }
-            tempResult = compareIntStr(v1[i], v2[i]);
-            if (tempResult != 0) {
-                //分出大小，停止后续比较
-                result = tempResult;
-                break;
-            }
-        }
-        //循环完了v1，如果还没比出大小
-        if (result == 0 && v2.length > v1.length) {
-            result = -1;
-        }
-        return result;
-    }
-    
-    private static int compareIntStr(String s1, String s2) {
-        
-        return Integer.parseInt(s1) - Integer.parseInt(s2);
-    }
-    
-    private static String[] parseVersion(String versionStr) {
-        
-        char c;
-        StringBuilder sBuilder = new StringBuilder();
-        for (int i = 0; i < versionStr.length(); i++) {
-            c = versionStr.charAt(i);
-            if (Character.isDigit(c)) {
-                sBuilder.append(c);
-            } else if (c == '.') {
-                sBuilder.append("-");
-            }
-        }
-        return sBuilder.toString().split("-");
-    }
-
     private static String sendInstalledPluginInfo(final Plugin plugin) {
         if (StableUtils.isDebug()) {
             return "debug status";