diff --git a/app/src/main/java/com/github/catvod/spider/XPathFilter.java b/app/src/main/java/com/github/catvod/spider/XPathFilter.java
deleted file mode 100644
index 76e75c1..0000000
--- a/app/src/main/java/com/github/catvod/spider/XPathFilter.java
+++ /dev/null
@@ -1,36 +0,0 @@
-package com.github.catvod.spider;
-
-import java.net.URLEncoder;
-import java.util.HashMap;
-import java.util.Iterator;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-public class XPathFilter extends XPath {
-
-    @Override
-    protected void loadRuleExt(String json) {
-        super.loadRuleExt(json);
-    }
-
-    @Override
-    protected String categoryUrl(String tid, String pg, boolean filter, HashMap<String, String> extend) {
-        String cateUrl = rule.getCateUrl();
-        if (filter && extend != null && extend.size() > 0) {
-            for (Iterator<String> it = extend.keySet().iterator(); it.hasNext(); ) {
-                String key = it.next();
-                String value = extend.get(key);
-                if (value.length() > 0) {
-                    cateUrl = cateUrl.replace("{" + key + "}", URLEncoder.encode(value));
-                }
-            }
-        }
-        cateUrl = cateUrl.replace("{cateId}", tid).replace("{catePg}", pg);
-        Matcher m = Pattern.compile("\\{(.*?)\\}").matcher(cateUrl);
-        while (m.find()) {
-            String n = m.group(0).replace("{", "").replace("}", "");
-            cateUrl = cateUrl.replace(m.group(0), "").replace("/" + n + "/", "");
-        }
-        return cateUrl;
-    }
-}
\ No newline at end of file