diff --git a/designer_base/src/com/fr/design/extra/plugindependence/DownLoadDependenceUI.java b/designer_base/src/com/fr/design/extra/plugindependence/DownLoadDependenceUI.java
index 67d3a0354..9edfc21fe 100644
--- a/designer_base/src/com/fr/design/extra/plugindependence/DownLoadDependenceUI.java
+++ b/designer_base/src/com/fr/design/extra/plugindependence/DownLoadDependenceUI.java
@@ -200,7 +200,7 @@ public class DownLoadDependenceUI implements ActionListener {
                 }
 
                 //安装文件
-                unZipFiles(temp, FRContext.getCurrentEnv().getPath() + dependenceUnit.getDependenceDir());
+                IOUtils.unZipFilesGBK(temp, FRContext.getCurrentEnv().getPath() + dependenceUnit.getDependenceDir());
 
             } else {
                 result = false;
@@ -272,61 +272,4 @@ public class DownLoadDependenceUI implements ActionListener {
     private String showFileLength() {
         return totalSize == -1 ? "NAN" : totalSize / Math.pow(10, 6) + "";
     }
-
-
-    @SuppressWarnings("unchecked")
-    public static boolean unZipFiles(String zipFileName, String extPlace) throws Exception {
-        System.setProperty("sun.zip.encoding", System.getProperty("sun.jnu.encoding"));
-        try {
-            (new File(extPlace)).mkdirs();
-            File f = new File(zipFileName);
-            ZipFile zipFile = new ZipFile(zipFileName,"GBK");  //处理中文文件名乱码的问题
-            if((!f.exists()) && (f.length() <= 0)) {
-                throw new Exception("no zip file!");
-            }
-            String strPath, gbkPath, strtemp;
-            File tempFile = new File(extPlace);
-            strPath = tempFile.getAbsolutePath();
-            Enumeration<?> e = zipFile.getEntries();
-            while(e.hasMoreElements()){
-                ZipEntry zipEnt = (ZipEntry) e.nextElement();
-                gbkPath=zipEnt.getName();
-                if(zipEnt.isDirectory()){
-                    strtemp = strPath + File.separator + gbkPath;
-                    File dir = new File(strtemp);
-                    dir.mkdirs();
-                    continue;
-                } else {
-                    //读写文件
-                    InputStream is = zipFile.getInputStream(zipEnt);
-                    BufferedInputStream bis = new BufferedInputStream(is);
-                    gbkPath=zipEnt.getName();
-                    strtemp = strPath + File.separator + gbkPath;
-
-                    //建目录
-                    String strsubdir = gbkPath;
-                    for(int i = 0; i < strsubdir.length(); i++) {
-                        if(strsubdir.substring(i, i + 1).equalsIgnoreCase("/")) {
-                            String temp = strPath + File.separator + strsubdir.substring(0, i);
-                            File subdir = new File(temp);
-                            if(!subdir.exists())
-                                subdir.mkdir();
-                        }
-                    }
-                    FileOutputStream fos = new FileOutputStream(strtemp);
-                    BufferedOutputStream bos = new BufferedOutputStream(fos);
-                    int c;
-                    while((c = bis.read()) != -1) {
-                        bos.write((byte) c);
-                    }
-                    bos.close();
-                    fos.close();
-                }
-            }
-            return true;
-        } catch(Exception e) {
-            FRContext.getLogger().info(e.getMessage());
-            return false;
-        }
-    }
 }