ftpClientConfig.setServerTimeZoneId(TimeZone.getDefault().getID());
         this.ftpClient.setControlEncoding("GBK");
         this.ftpClient.configure(ftpClientConfig);
-//             ftpClient.setParserFactory(new ExtendsDefaultFTPFileEntryParserFactory());
 
         if (encode != null && encode.length() > 0) {
             ftpClient.setControlEncoding(encode);
         String currdir = null;
         try {
             currdir = ftpClient.printWorkingDirectory();
-            if (currdir.endsWith("/") == false) {
+            if (!currdir.endsWith("/")) {
                 currdir = currdir + "/";
             }
             FTPFile[] rfileList = null;
 
     @Override
     public String pwd() throws IOException {
-        String returnValue = ftpClient.printWorkingDirectory();
-        return returnValue;
+        return ftpClient.printWorkingDirectory();
     }
 
 }