diff --git a/.gitignore b/.gitignore
index e31375c1e..20c8c3627 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,8 @@
 .idea/
 docs/_build
 *.pyc
+*.pyc.*
+__pycache__/
 *.log
 .tox
 /SPEC.md
diff --git a/docs/changelog.rst b/docs/changelog.rst
index e3889882c..558b9680a 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -3,6 +3,12 @@
 ChangeLog
 ==========
 
+Next (unreleased)
+------------------
+
+1. 新增代理源 **谷德代理**; (2026-05-14)
+2. 引入tox自动化测试, 放弃Python 3.7以下版本支持; (2026-05-14)
+
 2.4.2 (2024-01-18)
 ------------------
 
diff --git a/fetcher/proxyFetcher.py b/fetcher/proxyFetcher.py
index 17a65bc2a..a46222101 100644
--- a/fetcher/proxyFetcher.py
+++ b/fetcher/proxyFetcher.py
@@ -16,6 +16,8 @@
 import json
 from time import sleep
 
+from lxml import etree
+
 from util.webRequest import WebRequest
 
 
@@ -24,12 +26,75 @@ class ProxyFetcher(object):
     proxy getter
     """
 
+    @staticmethod
+    def _parse_proxies_from_text(text):
+        if not text:
+            return []
+        proxy_pattern = re.compile(r'(?<![\d.])(\d{1,3}(?:\.\d{1,3}){3})(?:\s*:\s*|\s+)(\d{2,5})(?!\d)')
+        return ["%s:%s" % proxy for proxy in proxy_pattern.findall(text)]
+
+    @staticmethod
+    def _parse_proxies_from_json(data):
+        proxies = []
+        if isinstance(data, dict):
+            proxy = data.get("proxy") or data.get("addr") or data.get("address")
+            if proxy:
+                proxies.extend(ProxyFetcher._parse_proxies_from_text(str(proxy)))
+
+            ip = data.get("ip") or data.get("host") or data.get("server")
+            port = data.get("port")
+            if ip and port:
+                proxies.append("%s:%s" % (ip, port))
+
+            parsed_keys = {"proxy", "addr", "address", "ip", "host", "server", "port"}
+            for key, value in data.items():
+                if key in parsed_keys:
+                    continue
+                proxies.extend(ProxyFetcher._parse_proxies_from_json(value))
+        elif isinstance(data, list):
+            for item in data:
+                proxies.extend(ProxyFetcher._parse_proxies_from_json(item))
+        elif isinstance(data, str):
+            proxies.extend(ProxyFetcher._parse_proxies_from_text(data))
+        return proxies
+
+    @staticmethod
+    def _parse_proxies_from_tree(tree):
+        proxies = []
+        if tree is None:
+            return proxies
+        for tr in tree.xpath("//tr"):
+            cells = [" ".join(td.xpath(".//text()")).strip() for td in tr.xpath("./td")]
+            if len(cells) < 2:
+                continue
+            ip = ""
+            port = ""
+            for cell in cells:
+                ip_match = re.search(r'\d{1,3}(?:\.\d{1,3}){3}', cell)
+                port_match = re.search(r'\b\d{2,5}\b', cell)
+                if ip_match and not ip:
+                    ip = ip_match.group()
+                    continue
+                if port_match and not port:
+                    port = port_match.group()
+            if ip and port:
+                proxies.append("%s:%s" % (ip, port))
+        return proxies
+
+    @staticmethod
+    def _yield_unique_proxies(proxies):
+        seen = set()
+        for proxy in proxies:
+            if proxy not in seen:
+                seen.add(proxy)
+                yield proxy
+
     @staticmethod
     def freeProxy01():
         """
         站大爷 https://www.zdaye.com/dayProxy.html
         """
-        start_url = "https://www.zdaye.com/dayProxy.html"
+        start_url = "https://www.zdaye.com/free/"
         html_tree = WebRequest().get(start_url, verify=False).tree
         latest_page_time = html_tree.xpath("//span[@class='thread_time_info']/text()")[0].strip()
         from datetime import datetime
@@ -132,12 +197,50 @@ def freeProxy07():
     @staticmethod
     def freeProxy08():
         """ 小幻代理 """
-        urls = ['https://ip.ihuan.me/address/5Lit5Zu9.html']
-        for url in urls:
-            r = WebRequest().get(url, timeout=10)
-            proxies = re.findall(r'>\s*?(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\s*?</a></td><td>(\d+)</td>', r.text)
-            for proxy in proxies:
-                yield ":".join(proxy)
+        request = WebRequest()
+        ti_url = "https://ip.ihuan.me/ti.html"
+        tqdl_url = "https://ip.ihuan.me/tqdl.html"
+        ti_resp = request.get(ti_url, timeout=10, verify=False)
+        form_data = {}
+        if ti_resp.tree is not None:
+            for input_tag in ti_resp.tree.xpath("//form//input[@name]"):
+                name = "".join(input_tag.xpath("./@name")).strip()
+                value = "".join(input_tag.xpath("./@value")).strip()
+                if name:
+                    form_data[name] = value
+
+        key = form_data.get("key")
+        if not key:
+            key_match = re.search(r'name=["\']key["\'][^>]*value=["\']([^"\']+)', ti_resp.text)
+            if not key_match:
+                key_match = re.search(r'key["\']?\s*[:=]\s*["\']([0-9a-f]{16,})', ti_resp.text)
+            key = key_match.group(1) if key_match else ""
+
+        if not key:
+            return
+
+        header = {
+            "Origin": "https://ip.ihuan.me",
+            "Referer": ti_url,
+        }
+        data = form_data.copy()
+        data.update({
+            "num": "2000",
+            "port": "",
+            "kill_port": "",
+            "address": "",
+            "kill_address": "",
+            "anonymity": "",
+            "type": "",
+            "post": "",
+            "sort": "1",
+            "key": key,
+        })
+        r = request.post(tqdl_url, header=header, data=data, timeout=10, verify=False)
+        proxies = ProxyFetcher._parse_proxies_from_tree(r.tree)
+        proxies.extend(ProxyFetcher._parse_proxies_from_text(r.text))
+        for proxy in ProxyFetcher._yield_unique_proxies(proxies):
+            yield proxy
 
     @staticmethod
     def freeProxy09(page_count=1):
@@ -181,6 +284,55 @@ def freeProxy12():
             if ip and port:
                 yield "%s:%s" % (ip, port)
 
+    @staticmethod
+    def freeProxy13():
+        """ FreeVPNNode 中国代理 https://cn.freevpnnode.com/free-proxy-for-china/ """
+        # url = "https://cn.freevpnnode.com/free-proxy-for-china/"
+        url = "https://cn.freevpnnode.com/free-proxy/"
+        r = WebRequest().get(url, timeout=5, retry_time=1, verify=False)
+        proxies = ProxyFetcher._parse_proxies_from_tree(r.tree)
+        proxies.extend(ProxyFetcher._parse_proxies_from_text(r.text))
+        for proxy in ProxyFetcher._yield_unique_proxies(proxies):
+            yield proxy
+
+    @staticmethod
+    def freeProxy14():
+        """ SCDN 代理接口 """
+        # url = "https://proxy.scdn.io/get_proxies.php?protocol=&country=%E4%B8%AD%E5%9B%BD&per_page=100&page=1"
+        url = "https://proxy.scdn.io/get_proxies.php?protocol=&country=&per_page=100&page=1"
+        r = WebRequest().get(url, timeout=5, retry_time=1, verify=False)
+        try:
+            data = r.json
+            proxies = []
+            table_html = data.get("table_html") if isinstance(data, dict) else ""
+            if table_html:
+                tree = etree.HTML("<table>%s</table>" % table_html)
+                proxies.extend(ProxyFetcher._parse_proxies_from_tree(tree))
+
+            if not proxies:
+                proxies = ProxyFetcher._parse_proxies_from_json(data)
+            if not proxies:
+                proxies = ProxyFetcher._parse_proxies_from_text(r.text)
+            for proxy in ProxyFetcher._yield_unique_proxies(proxies):
+                yield proxy
+        except Exception as e:
+            print(e)
+
+    @staticmethod
+    def freeProxy15():
+        """ Geonode Free Proxy 中国代理 https://geonode.com/free-proxy-list/ """
+        # url = "https://proxylist.geonode.com/api/proxy-list?limit=500&page=1&sort_by=lastChecked&sort_type=desc&country=CN"
+        url = "https://proxylist.geonode.com/api/proxy-list?limit=500&page=1&sort_by=lastChecked&sort_type=desc"
+        r = WebRequest().get(url, timeout=5, retry_time=1, verify=False)
+        try:
+            proxies = ProxyFetcher._parse_proxies_from_json(r.json)
+            if not proxies:
+                proxies = ProxyFetcher._parse_proxies_from_text(r.text)
+            for proxy in ProxyFetcher._yield_unique_proxies(proxies):
+                yield proxy
+        except Exception as e:
+            print(e)
+
     # @staticmethod
     # def wallProxy01():
     #     """
diff --git a/helper/check.py b/helper/check.py
index 937645c0f..0b732b84d 100644
--- a/helper/check.py
+++ b/helper/check.py
@@ -79,9 +79,9 @@ def preValidator(cls, proxy):
     @classmethod
     def regionGetter(cls, proxy):
         try:
-            url = 'https://searchplugin.csdn.net/api/v1/ip/get?ip=%s' % proxy.proxy.split(':')[0]
+            url = 'https://api.ip.sb/geoip/%s' % proxy.proxy.split(':')[0]
             r = WebRequest().get(url=url, retry_time=1, timeout=2).json
-            return r['data']['address']
+            return r.get('country_code')
         except:
             return 'error'
 
diff --git a/requirements.txt b/requirements.txt
index ab2fdbc49..ad68b2c07 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-requests==2.30.0
+requests==2.31.0
 gunicorn==19.9.0
 lxml==4.9.2
 redis==3.5.3
diff --git a/setting.py b/setting.py
index f6ed89c8a..e8a669f58 100644
--- a/setting.py
+++ b/setting.py
@@ -57,6 +57,9 @@
     "freeProxy10",
     "freeProxy11",
     "freeProxy12",
+    "freeProxy13",
+    "freeProxy14",
+    "freeProxy15",
 ]
 
 # ############# proxy validator #################
diff --git a/util/six.py b/util/six.py
index 14ee059ba..d31e12138 100644
--- a/util/six.py
+++ b/util/six.py
@@ -30,7 +30,10 @@ def iteritems(d, **kw):
     from urlparse import urlparse
 
 if PY3:
-    from imp import reload as reload_six
+    try:
+        from importlib import reload as reload_six
+    except ImportError:
+        from imp import reload as reload_six
 else:
     reload_six = reload
 
diff --git a/util/webRequest.py b/util/webRequest.py
index bf0555216..97164773a 100644
--- a/util/webRequest.py
+++ b/util/webRequest.py
@@ -86,8 +86,38 @@ def get(self, url, header=None, retry_time=3, retry_interval=5, timeout=5, *args
                 self.log.info("retry %s second after" % retry_interval)
                 time.sleep(retry_interval)
 
+    def post(self, url, header=None, retry_time=3, retry_interval=5, timeout=5, *args, **kwargs):
+        """
+        post method
+        :param url: target url
+        :param header: headers
+        :param retry_time: retry time
+        :param retry_interval: retry interval
+        :param timeout: network timeout
+        :return:
+        """
+        headers = self.header
+        if header and isinstance(header, dict):
+            headers.update(header)
+        while True:
+            try:
+                self.response = requests.post(url, headers=headers, timeout=timeout, *args, **kwargs)
+                return self
+            except Exception as e:
+                self.log.error("requests: %s error: %s" % (url, str(e)))
+                retry_time -= 1
+                if retry_time <= 0:
+                    resp = Response()
+                    resp.status_code = 200
+                    self.response = resp
+                    return self
+                self.log.info("retry %s second after" % retry_interval)
+                time.sleep(retry_interval)
+
     @property
     def tree(self):
+        if not self.response.content:
+            return None
         return etree.HTML(self.response.content)
 
     @property
@@ -101,4 +131,3 @@ def json(self):
         except Exception as e:
             self.log.error(str(e))
             return {}
-