release: cut v0.01 with working downloads and unstable proxy rotation

.gitignore

@@ -0,0 +1,3 @@
+downloads/
+__pycache__/
+*.pyc

test1.log

@@ -1,5 +0,0 @@
-  📡 已加载 56 个代理
-  🔗 已启动代理隧道: 🇭🇰 香港 01 -> 127.0.0.1:10800
-  ⏳ 下载遇到 PoW 挑战，正在解决...
-  ✅ 挑战已解决 (耗时 0.024s，节点 zh.ngd101.ru)
-下载返回了 HTML 页面（可能是限制或错误）

test_503.log

@@ -1,4 +0,0 @@
-Proxy IP: 61.171.248.193
-Index status: 503
-Index status after PoW: 503
-Search status: 503

test_503.py

@@ -1,88 +0,0 @@
-import urllib.request, time, hashlib, re, os, subprocess
-from curl_cffi import requests
-
-def solve_challenge(html):
-    m = re.search(r"\['([A-F0-9]{40})'", html)
-    if not m: return None, None
-    c = m.group(1)
-    n1 = int(c[0], 16)
-    i = 0
-    t0 = time.time()
-    while True:
-        d = hashlib.sha1((c + str(i)).encode()).digest()
-        if d[n1] == 0xb0 and d[n1+1] == 0x0b: break
-        i += 1
-    return c + str(i), f"{time.time() - t0:.3f}"
-
-yaml_config = """
-mode: global
-mixed-port: 10899
-bind-address: '127.0.0.1'
-proxies:
-"""
-proxy_str = ""
-with open("proxies.txt") as f:
-    for line in f:
-        if "ss," in line:
-            proxy_str = line.strip()
-            break
-parts = proxy_str.split("=", 1)
-cfg = parts[1].strip().split(",")
-params = dict(p.strip().split("=", 1) for p in cfg[3:] if "=" in p)
-yaml_config += f"""  - name: "test"
-    type: ss
-    server: "{cfg[1].strip()}"
-    port: {cfg[2].strip()}
-    cipher: "{params.get('encrypt-method', '')}"
-    password: "{params.get('password', '')}"
-"""
-if "obfs" in params:
-    yaml_config += f"    plugin: obfs\n    plugin-opts:\n      mode: {params['obfs']}\n      host: {params['obfs-host']}\n"
-with open("test_503.yaml", "w") as f: f.write(yaml_config)
-
-proc = subprocess.Popen(["./.venv/bin/mihomo", "-f", "test_503.yaml"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-time.sleep(2)
-
-s = requests.Session()
-p = {"http": "socks5://127.0.0.1:10899", "https": "socks5://127.0.0.1:10899"}
-
-try:
-    with open("test_503.log", "w") as out:
-        ip_resp = s.get("http://httpbin.org/ip", proxies=p, impersonate="chrome", timeout=5)
-        out.write(f"Proxy IP: {ip_resp.json()['origin']}\n")
-        
-        r1 = s.get("https://zlib.li/", proxies=p, impersonate="chrome", timeout=10)
-        out.write(f"Index status: {r1.status_code}\n")
-        
-        if r1.status_code == 503 and "Checking your browser" in r1.text:
-            ct, cti = solve_challenge(r1.text)
-            if ct:
-                s.cookies.set("c_token", ct, domain="zlib.li", path="/")
-                s.cookies.set("c_time", cti, domain="zlib.li", path="/")
-                r1 = s.get("https://zlib.li/", proxies=p, impersonate="chrome", timeout=10)
-                out.write(f"Index status after PoW: {r1.status_code}\n")
-        
-        r2 = s.get("https://zlib.li/s/Project", proxies=p, impersonate="chrome", timeout=10)
-        out.write(f"Search status: {r2.status_code}\n")
-        
-        from bs4 import BeautifulSoup
-        soup = BeautifulSoup(r2.text, "lxml")
-        card = soup.find("z-bookcard")
-        if card and card.get("download"):
-            dl = card.get("download")
-            out.write(f"Got dl path: {dl}\n")
-            r3 = s.get("https://zlib.li" + dl, proxies=p, impersonate="chrome", allow_redirects=True, timeout=10)
-            out.write(f"Download status: {r3.status_code}\n")
-            if r3.status_code == 503:
-                if "Checking your browser" in r3.text:
-                    ct, cti = solve_challenge(r3.text)
-                    if ct:
-                        s.cookies.set("c_token", ct, domain="zlib.li", path="/")
-                        s.cookies.set("c_time", cti, domain="zlib.li", path="/")
-                        r4 = s.get("https://zlib.li" + dl, proxies=p, impersonate="chrome", allow_redirects=True, timeout=10)
-                        out.write(f"Retry status: {r4.status_code}\n")
-                        with open("test_503_body.html", "w") as f2: f2.write(r4.text)
-                else:
-                    out.write("Not PoW 503\n")
-finally:
-    proc.terminate()

test_503.yaml

@@ -1,23 +0,0 @@
-
-mode: rule
-mixed-port: 10899
-bind-address: '127.0.0.1'
-proxies:
-  - name: "test"
-    type: ss
-    server: "d32b6cd.gylcxo.xyz"
-    port: 18300
-    cipher: "aes-128-gcm"
-    password: "ced24190439d1ed1"
-    plugin: obfs
-    plugin-opts:
-      mode: http
-      host: Sm0lO349ch.microsoft.com
-
-proxy-groups:
-  - name: "Proxy"
-    type: select
-    proxies:
-      - "test"
-rules:
-  - MATCH, Proxy

test_503_2.py

@@ -1,61 +0,0 @@
-import urllib.request, time, hashlib, re, os, subprocess
-from curl_cffi import requests
-
-def solve_challenge(html):
-    m = re.search(r"\['([A-F0-9]{40})'", html)
-    if not m: return None, None
-    c = m.group(1)
-    n1 = int(c[0], 16)
-    i = 0
-    t0 = time.time()
-    while True:
-        d = hashlib.sha1((c + str(i)).encode()).digest()
-        if d[n1] == 0xb0 and d[n1+1] == 0x0b: break
-        i += 1
-    return c + str(i), f"{time.time() - t0:.3f}"
-
-yaml_config = """
-mode: global
-mixed-port: 10899
-bind-address: '127.0.0.1'
-proxies:
-"""
-proxy_str = ""
-with open("proxies.txt") as f:
-    for line in f:
-        if "ss," in line:
-            proxy_str = line.strip()
-            break
-parts = proxy_str.split("=", 1)
-cfg = parts[1].strip().split(",")
-params = dict(p.strip().split("=", 1) for p in cfg[3:] if "=" in p)
-yaml_config += f"""  - name: "test"
-    type: ss
-    server: "{cfg[1].strip()}"
-    port: {cfg[2].strip()}
-    cipher: "{params.get('encrypt-method', '')}"
-    password: "{params.get('password', '')}"
-"""
-if "obfs" in params:
-    yaml_config += f"    plugin: obfs\n    plugin-opts:\n      mode: {params['obfs']}\n      host: {params['obfs-host']}\n"
-with open("test_503.yaml", "w") as f: f.write(yaml_config)
-
-proc = subprocess.Popen(["./.venv/bin/mihomo", "-f", "test_503.yaml"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-time.sleep(2)
-
-s = requests.Session()
-p = {"http": "socks5://127.0.0.1:10899", "https": "socks5://127.0.0.1:10899"}
-try:
-    r1 = s.get("https://zlib.li/", proxies=p, impersonate="chrome", timeout=10)
-    print("Initial:", r1.status_code)
-    
-    if r1.status_code == 503 and "Checking your browser" in r1.text:
-        ct, cti = solve_challenge(r1.text)
-        s.cookies.set("c_token", ct, domain="zlib.li", path="/")
-        s.cookies.set("c_time", cti, domain="zlib.li", path="/")
-        r1 = s.get("https://zlib.li/", proxies=p, impersonate="chrome", timeout=10)
-        print("After PoW:", r1.status_code)
-        if r1.status_code == 503:
-            print(r1.text[:500])
-finally:
-    proc.terminate()

test_clash.yaml

@@ -1,13 +0,0 @@
-port: 7890
-socks-port: 7891
-proxies:
-  - name: "ss-obfs"
-    type: ss
-    server: "127.0.0.1"
-    port: 18300
-    cipher: "aes-128-gcm"
-    password: "ced"
-    plugin: obfs
-    plugin-opts:
-      mode: http
-      host: Sm0lO349ch.microsoft.com

test_cookie.py

@@ -1,6 +0,0 @@
-from curl_cffi import requests
-s = requests.Session()
-s.cookies.set("1", "A", domain="zlib.li", path="/")
-s.cookies.set("2", "B", domain=".zlib.li", path="/")
-s.get("http://httpbin.org/cookies", impersonate="chrome")
-print(s.cookies)

test_html.py

@@ -1,7 +0,0 @@
-from zlib_dl import ProxyManager, ZLibSession
-mgr = ProxyManager("proxies.txt", verbose=True)
-mgr.rotate()
-s = ZLibSession(proxy_url=mgr.get_current_proxy_url(), verbose=True)
-res, msg = s.download_file("/dl/22909249/a93325", "test.epub")
-print(msg)
-import os; os.path.exists("test.epub") and print("Saved epub size:", os.path.getsize("test.epub"))

test_link.py

@@ -1,16 +0,0 @@
-from zlib_dl import ZLibSession
-import re
-
-s1 = ZLibSession(verbose=True)
-resp1 = s1._request_download("https://zlib.li/book/22909249/a93325")
-match = re.search(r'href="(/dl/[^"]+)"', resp1.text)
-if match:
-    print("Found exact link:", match.group(1))
-else:
-    print("Could not find /dl/ link in HTML!")
-    
-    lines = [line.strip() for line in resp1.text.split('\n')]
-    for i, line in enumerate(lines):
-        if "download" in line.lower() or "href" in line.lower():
-            if "/22909249/" in line:
-                print(f"Possible DL Line [{i}]: {line[:300]}")

test_mihomo.py

@@ -1,22 +0,0 @@
-import urllib.request
-import platform
-
-system = platform.system().lower()
-machine = platform.machine().lower()
-is_arm = machine in ("arm64", "aarch64")
-
-if system == "darwin":
-    arch_str = "arm64" if is_arm else "amd64-compatible"
-elif system == "linux":
-    arch_str = "arm64" if is_arm else "amd64-compatible"
-
-version = "v1.19.21"
-url = f"https://github.com/MetaCubeX/mihomo/releases/download/{version}/mihomo-{system}-{arch_str}-{version}.gz"
-print("URL:", url)
-
-try:
-    req = urllib.request.Request(url, method='HEAD')
-    resp = urllib.request.urlopen(req, timeout=5)
-    print("Status:", resp.status)
-except Exception as e:
-    print("Error:", e)

test_mihomo_bounce.py

@@ -1,72 +0,0 @@
-import subprocess
-import time
-import os
-import urllib.request
-from curl_cffi import requests
-
-# We will read the first proxy from proxies.txt to really test it
-proxy_str = ""
-with open("proxies.txt") as f:
-    for line in f:
-        if "ss," in line:
-            proxy_str = line.strip()
-            break
-
-parts = proxy_str.split("=", 1)
-name = parts[0].strip()
-cfg = parts[1].strip().split(",")
-host = cfg[1].strip()
-port = cfg[2].strip()
-params = {}
-for p in cfg[3:]:
-    if "=" in p:
-        k, v = p.split("=", 1)
-        params[k.strip()] = v.strip()
-
-method = params.get("encrypt-method", "")
-password = params.get("password", "")
-obfs = params.get("obfs", "")
-obfs_host = params.get("obfs-host", "")
-
-def test_mihomo(use_en0):
-    port_local = 11111 if use_en0 else 11112
-    interface_cfg = "\n    interface-name: en0" if use_en0 else ""
-    plugin_cfg = f"""
-    plugin: obfs
-    plugin-opts:
-      mode: {obfs}
-      host: {obfs_host}
-""" if obfs else ""
-
-    yaml_cfg = f"""
-mode: global
-mixed-port: {port_local}
-bind-address: '127.0.0.1'
-dns:
-  enable: true
-  nameserver:
-    - 223.5.5.5
-proxies:
-  - name: "test_proxy"
-    type: ss
-    server: "{host}"
-    port: {port}
-    cipher: "{method}"
-    password: "{password}"{interface_cfg}{plugin_cfg}
-"""
-    with open(f"test_cfg_{port_local}.yaml", "w") as f: f.write(yaml_cfg)
-    proc = subprocess.Popen(["./.venv/bin/mihomo", "-f", f"test_cfg_{port_local}.yaml"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-    time.sleep(2)
-    try:
-        prox = {"http": f"socks5://127.0.0.1:{port_local}", "https": f"socks5://127.0.0.1:{port_local}"}
-        resp = requests.get("http://httpbin.org/ip", proxies=prox, impersonate="chrome", timeout=5)
-        return resp.json()["origin"]
-    except Exception as e:
-        return f"Error: {e}"
-    finally:
-        proc.terminate()
-        proc.wait(timeout=2)
-        os.remove(f"test_cfg_{port_local}.yaml")
-
-print("Without en0:", test_mihomo(False))
-print("With en0:", test_mihomo(True))

test_mihomo_bypass.py

@@ -1,46 +0,0 @@
-import subprocess
-import time
-import os
-import json
-import yaml
-
-# 1. 启动 mihomo 并绑定到具体网卡 (en0)
-local_port = 10850
-
-cfg = """
-mode: global
-mixed-port: 10850
-bind-address: '127.0.0.1'
-
-dns:
-  enable: true
-  nameserver:
-    - https://223.5.5.5/dns-query
-    - https://1.1.1.1/dns-query
-
-proxies:
-  - name: "test-direct"
-    type: direct
-    interface-name: en0
-"""
-with open("test_b.yaml", "w") as f:
-    f.write(cfg)
-
-# 找到 mihomo
-mihomo = "./.venv/bin/mihomo"
-if not os.path.exists(mihomo):
-    mihomo = "mihomo"
-
-proc = subprocess.Popen([mihomo, "-f", "test_b.yaml"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-time.sleep(2)
-
-try:
-    from curl_cffi import requests
-    resp = requests.get("http://httpbin.org/ip", proxies={"http": "socks5://127.0.0.1:10850", "https": "socks5://127.0.0.1:10850"}, impersonate="chrome")
-    print("Mihomo (direct bound to en0) IP:", resp.json()["origin"])
-    
-    resp_direct = requests.get("http://httpbin.org/ip", impersonate="chrome")
-    print("System (Surge default) IP:", resp_direct.json()["origin"])
-finally:
-    proc.kill()
-    os.remove("test_b.yaml")

test_mihomo_fix.py

@@ -1,52 +0,0 @@
-import urllib.request, time, os, subprocess
-from curl_cffi import requests
-
-yaml_config = """
-mode: rule
-mixed-port: 10899
-bind-address: '127.0.0.1'
-proxies:
-"""
-proxy_str = ""
-with open("proxies.txt") as f:
-    for line in f:
-        if "ss," in line:
-            proxy_str = line.strip()
-            break
-parts = proxy_str.split("=", 1)
-cfg = parts[1].strip().split(",")
-params = dict(p.strip().split("=", 1) for p in cfg[3:] if "=" in p)
-yaml_config += f"""  - name: "test"
-    type: ss
-    server: "{cfg[1].strip()}"
-    port: {cfg[2].strip()}
-    cipher: "{params.get('encrypt-method', '')}"
-    password: "{params.get('password', '')}"
-"""
-if "obfs" in params:
-    yaml_config += f"    plugin: obfs\n    plugin-opts:\n      mode: {params['obfs']}\n      host: {params['obfs-host']}\n"
-
-yaml_config += """
-proxy-groups:
-  - name: "Proxy"
-    type: select
-    proxies:
-      - "test"
-rules:
-  - MATCH, Proxy
-"""
-with open("test_503.yaml", "w") as f: f.write(yaml_config)
-
-proc = subprocess.Popen(["./.venv/bin/mihomo", "-f", "test_503.yaml"], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-time.sleep(2)
-
-s = requests.Session()
-p = {"http": "socks5://127.0.0.1:10899", "https": "socks5://127.0.0.1:10899"}
-try:
-    ip_resp = s.get("http://httpbin.org/ip", proxies=p, impersonate="chrome", timeout=5)
-    print("Proxy IP:", ip_resp.json()["origin"])
-    
-    r1 = s.get("https://zlib.li/", proxies=p, impersonate="chrome", timeout=10)
-    print("Index status:", r1.status_code)
-finally:
-    proc.terminate()

test_mihomo_gen.py

@@ -1,42 +0,0 @@
-import platform, os, gzip, urllib.request, json
-import yaml
-
-def gen_config(proxy, local_port):
-    cfg = {
-        "port": 0,
-        "socks-port": local_port,
-        "mode": "Global",
-        "proxies": [{
-            "name": proxy["name"],
-            "type": "ss",
-            "server": proxy["host"],
-            "port": proxy["port"],
-            "cipher": proxy["method"],
-            "password": proxy["password"],
-            "plugin": "obfs",
-            "plugin-opts": {
-                "mode": proxy["obfs"],
-                "host": proxy["obfs_host"]
-            }
-        }],
-        "proxy-groups": [{
-            "name": "Proxy",
-            "type": "select",
-            "proxies": [proxy["name"]]
-        }],
-        "rules": [
-            "MATCH,Proxy"
-        ]
-    }
-    return yaml.dump(cfg)
-
-proxy_test = {
-    "name": "HK 01",
-    "host": "d32b6cd.gylcxo.xyz",
-    "port": 18300,
-    "method": "aes-128-gcm",
-    "password": "ced",
-    "obfs": "http",
-    "obfs_host": "Sm0lO349ch.microsoft.com"
-}
-print(gen_config(proxy_test, 10800))

test_mihomo_ip.py

@@ -1,19 +0,0 @@
-import urllib.request
-import json
-
-from bs4 import BeautifulSoup
-
-def get_ip(proxy_url=None):
-    import subprocess
-    import sys
-    try:
-        from curl_cffi import requests
-        session = requests.Session()
-        proxies = {"http": proxy_url, "https": proxy_url} if proxy_url else None
-        resp = session.get("http://httpbin.org/ip", proxies=proxies, impersonate="chrome")
-        return resp.json()["origin"]
-    except Exception as e:
-        return f"Error: {e}"
-
-print("Direct IP:", get_ip())
-

test_out.txt

@@ -1,3 +0,0 @@
-  ⏳ 下载遇到 PoW 挑战，正在解决...
-  ✅ 挑战已解决 (耗时 0.003s，节点 zlib.li)
-Could not find /dl/ link in HTML!

test_search.py

@@ -1,10 +0,0 @@
-from zlib_dl import ZLibSession
-s = ZLibSession(verbose=True)
-resp = s._request_download("https://zlib.li/s/%E6%B5%AA%E6%BD%AE%E4%B9%8B%E5%B7%85")
-from bs4 import BeautifulSoup
-soup = BeautifulSoup(resp.text, "html.parser")
-cards = soup.find_all("z-bookcard")
-if cards:
-    print(cards[0].prettify())
-else:
-    print("No cards found")

test_us_clean.py

@@ -1,13 +0,0 @@
-from zlib_dl import ZLibSession
-import re
-url = "https://zlib.li/book/mDJxkg7yO6/%E6%B5%AA%E6%BD%AE%E4%B9%8B%E5%B7%85%E7%AC%AC%E5%9B%9B%E7%89%88.html"
-s = ZLibSession(verbose=True, proxy_url="socks5://127.0.0.1:10800")
-print("Requesting clean detail URL:", url)
-resp = s._request_download(url)
-print("FINAL URL:", resp.url)
-print("HTML Title:", re.search(r'<title>(.*?)</title>', resp.text).group(1))
-match = re.search(r'href="(/dl/[^"]+)"', resp.text)
-if match:
-    print("DOWNLOAD LINK FOUND:", match.group(1))
-else:
-    print("NO DOWNLOAD LINK FOUND")

test_us_detail.py

@@ -1,21 +0,0 @@
-from zlib_dl import ZLibSession
-s = ZLibSession(verbose=True, proxy_url="socks5://127.0.0.1:10800")
-# Hit the detail page manually
-resp = s._request_download("https://zlib.li/book/mDJxkg7yO6/%E6%B5%AA%E6%BD%AE%E4%B9%8B%E5%B7%85%E7%AC%AC%E5%9B%9B%E7%89%88.html")
-print(f"STATUS CODE: {resp.status_code}")
-print(f"FINAL URL: {resp.url}")
-content = resp.text
-print(f"CONTENT LENGTH: {len(content)}")
-if '/dl/' in content:
-    print("FOUND /dl/ literally in content!")
-else:
-    print("NO /dl/ FOUND!")
-    
-import re
-links = re.findall(r'href="(.*?)"', content)
-print("Some links found on page:")
-for l in [x for x in links if 'book' in x or 'dl' in x or 'download' in x][:10]:
-    print(" - ", l)
-    
-if "daily limit" in content.lower() or "limit reached" in content.lower() or "已达下载" in content:
-    print("HIT RATE LIMIT MESSAGE ON DETAIL PAGE!")

test_what_page_url_is.py

@@ -1,9 +0,0 @@
-from zlib_dl import ZLibSession
-
-s = ZLibSession()
-results = s.search("浪潮之巅")
-if results:
-    for i, r in enumerate(results[:3]):
-        print(f"Item {i}:")
-        print(f"  title: {r.title}")
-        print(f"  page_url: {r.page_url}")

zlib_dl.py

@@ -198,6 +198,39 @@ class ZLibSession:
             return {"https": self.proxy_url, "http": self.proxy_url}
         return None
 
+    def _debug_log_exit_ip(self, stage: str):
+        """在 verbose 模式下打印当前会话出口 IP，便于核对代理是否一致"""
+        if not self.verbose:
+            return
+
+        proxies = self._get_proxies()
+        probe_targets = [
+            ("http://httpbin.org/ip", lambda data: data.get("origin", "unknown")),
+            ("http://ip-api.com/json", lambda data: data.get("query", "unknown")),
+            ("https://api.ipify.org?format=json", lambda data: data.get("ip", "unknown")),
+        ]
+
+        proxy_desc = self.proxy_url if self.proxy_url else "直连"
+        last_error = None
+        for probe_url, parser in probe_targets:
+            try:
+                resp = self.session.get(
+                    probe_url,
+                    impersonate="chrome",
+                    proxies=proxies,
+                    timeout=15,
+                )
+                ip = parser(resp.json())
+                print(
+                    f"  🌐 [{stage}] 当前出口 IP: {ip} (proxy={proxy_desc}, probe={probe_url})",
+                    file=sys.stderr,
+                )
+                return
+            except Exception as e:
+                last_error = e
+
+        print(f"  🌐 [{stage}] 当前出口 IP 获取失败: {last_error}", file=sys.stderr)
+
     def _request(self, url: str, **kwargs) -> cffi_requests.Response:
         """发起请求，自动处理 PoW 挑战"""
         proxies = self._get_proxies()
@@ -231,6 +264,7 @@ class ZLibSession:
 
     def search(self, query: str, max_results: int = 50) -> List[BookResult]:
         """搜索图书，返回结果列表"""
+        self._debug_log_exit_ip("search")
         url = f"{self.BASE_URL}/s/?q={query}"
         resp = self._request(url)
 
@@ -271,8 +305,9 @@ class ZLibSession:
     def _request_download(self, url: str, **kwargs) -> cffi_requests.Response:
         """发起下载请求，自动处理 PoW 挑战（支持 allow_redirects）"""
         proxies = self._get_proxies()
+        timeout = kwargs.pop("timeout", (20, 90))
         resp = self.session.get(
-            url, impersonate="chrome", proxies=proxies, timeout=300,
+            url, impersonate="chrome", proxies=proxies, timeout=timeout,
             allow_redirects=True, **kwargs
         )
 
@@ -303,7 +338,7 @@ class ZLibSession:
 
             # 无论什么页面，PoW 是在哪个域名的哪个具体 URL 上发生的，就全盘用带着 Cookie 的新状态重新向该域名发出最初的请求
             resp = self.session.get(
-                resp.url, impersonate="chrome", proxies=proxies, timeout=300,
+                resp.url, impersonate="chrome", proxies=proxies, timeout=timeout,
                 allow_redirects=True, **kwargs
             )
 
@@ -327,6 +362,7 @@ class ZLibSession:
         if detail_url:
             if self.verbose:
                 print(f"  🔗 正在预热书籍详情页以注册当前代理指纹和获取新 Session...", file=sys.stderr)
+            self._debug_log_exit_ip("warmup")
             try:
                 dt_resp = self._request_download(detail_url, headers={"Referer": self.BASE_URL + "/"})
                 import re
@@ -348,7 +384,13 @@ class ZLibSession:
                 return False, f"预热书籍详情页或解析出错: {e}"
 
         try:
-            resp = self._request_download(url, headers={"Referer": detail_url} if detail_url else {})
+            self._debug_log_exit_ip("download")
+            resp = self._request_download(
+                url,
+                headers={"Referer": detail_url} if detail_url else {},
+                stream=True,
+                timeout=(20, 120),
+            )
         except Exception as e:
             return False, f"下载请求失败: {e}"
 
@@ -376,12 +418,67 @@ class ZLibSession:
             else:
                 return False, "下载失败，服务端依然返回了 HTML 重定向网页！"
 
-        # 写入文件
+        # 写入文件（流式下载：只要持续有数据就继续）
         os.makedirs(os.path.dirname(output_path) or ".", exist_ok=True)
-        with open(output_path, "wb") as f:
+        tmp_path = output_path + ".part"
-            f.write(resp.content)
+        total_bytes = 0
 
-        return True, f"下载完成: {len(resp.content)} bytes"
+        try:
+            content_length = resp.headers.get("Content-Length", "").strip()
+            expected_total = int(content_length) if content_length.isdigit() else 0
+
+            if self.verbose:
+                if expected_total > 0:
+                    print(
+                        f"  📦 服务器文件大小: {expected_total / (1024 * 1024):.2f} MB",
+                        file=sys.stderr,
+                    )
+                else:
+                    print("  📦 服务器未返回文件大小（Content-Length）", file=sys.stderr)
+
+            started_at = time.time()
+            last_log_at = started_at
+
+            with open(tmp_path, "wb") as f:
+                for chunk in resp.iter_content(chunk_size=262144):
+                    if not chunk:
+                        continue
+                    f.write(chunk)
+                    total_bytes += len(chunk)
+
+                    now = time.time()
+                    if self.verbose and now - last_log_at >= 3:
+                        elapsed = max(0.001, now - started_at)
+                        speed = total_bytes / elapsed
+                        if expected_total > 0:
+                            pct = (total_bytes / expected_total) * 100
+                            print(
+                                f"  ⏬ 已下载 {total_bytes / (1024 * 1024):.2f} / {expected_total / (1024 * 1024):.2f} MB ({pct:.1f}%), 速度 {speed / (1024 * 1024):.2f} MB/s",
+                                file=sys.stderr,
+                            )
+                        else:
+                            print(
+                                f"  ⏬ 已下载 {total_bytes / (1024 * 1024):.2f} MB, 速度 {speed / (1024 * 1024):.2f} MB/s",
+                                file=sys.stderr,
+                            )
+                        last_log_at = now
+
+            os.replace(tmp_path, output_path)
+            if expected_total > 0:
+                return True, f"下载完成: {total_bytes} bytes / 期望 {expected_total} bytes"
+            return True, f"下载完成: {total_bytes} bytes"
+        except Exception as e:
+            try:
+                if os.path.exists(tmp_path):
+                    os.remove(tmp_path)
+            except Exception:
+                pass
+            return False, f"下载流中断: {e}"
+        finally:
+            try:
+                resp.close()
+            except Exception:
+                pass
 
 
 # ============================================================
@@ -589,6 +686,12 @@ proxies:
     port: {proxy.port}
     cipher: "{proxy.method}"
     password: "{proxy.password}"{plugin_yaml}{interface_yaml}
+
+proxy-groups:
+  - name: GLOBAL
+    type: select
+    proxies:
+      - "{proxy.name}"
 """
         with open(cfg_path, 'w', encoding='utf-8') as f:
             f.write(yaml_config)
@@ -679,6 +782,18 @@ proxies:
         proxy = self.proxies[self.current_index]
         return proxy.downloads_count >= self.MAX_DOWNLOADS_PER_PROXY
 
+    def has_proxy_pool(self) -> bool:
+        """是否配置了可轮换的代理池"""
+        return len(self.proxies) > 0
+
+    def ensure_active(self) -> bool:
+        """确保当前有活跃代理（有代理池时）"""
+        if not self.proxies:
+            return True
+        if 0 <= self.current_index < len(self.proxies):
+            return True
+        return self.rotate()
+
     def rotate(self) -> bool:
         """
         轮换到下一个代理。
@@ -991,16 +1106,53 @@ def sanitize_filename(name: str) -> str:
     return name.strip()[:200]
 
 
+def _should_rotate_proxy(message: str) -> bool:
+    """根据错误信息判断是否应该切换代理重试"""
+    msg_lower = message.lower()
+    return (
+        "限" in message
+        or "limit" in msg_lower
+        or "429" in message
+        or "503" in message
+        or "504" in message
+        or "403" in message
+        or "502" in message
+        or "timeout" in msg_lower
+        or "请求失败" in message
+        or "html" in msg_lower
+    )
+
+
+def _create_session_for_current_proxy(
+    proxy_mgr: ProxyManager,
+    explicit_proxy: Optional[str],
+    verbose: bool,
+) -> ZLibSession:
+    """根据当前代理状态创建新的 ZLibSession"""
+    proxy_url = explicit_proxy if explicit_proxy else proxy_mgr.get_current_proxy_url()
+    return ZLibSession(proxy_url=proxy_url, verbose=verbose)
+
+
 def cmd_download(args):
     """执行下载命令"""
+    explicit_proxy = getattr(args, "proxy", None)
+    proxy_file = getattr(args, "proxy_file", None)
+    if explicit_proxy and proxy_file:
+        print("错误: --proxy 与 --proxy-file 不能同时使用", file=sys.stderr)
+        sys.exit(1)
+
     output_dir = Path(args.output_dir)
     output_dir.mkdir(parents=True, exist_ok=True)
 
     # 代理管理器
     proxy_mgr = ProxyManager(
-        proxy_file=getattr(args, "proxy_file", None), verbose=args.verbose
+        proxy_file=proxy_file, verbose=args.verbose
     )
 
+    if proxy_mgr.has_proxy_pool() and not proxy_mgr.ensure_active():
+        print("错误: 代理池不可用，无法启动任何代理", file=sys.stderr)
+        sys.exit(1)
+
     download_results: List[DownloadResult] = []
 
     try:
@@ -1014,11 +1166,13 @@ def cmd_download(args):
             for dl_path in dl_paths:
                 result = _download_one(
                     dl_path=dl_path,
+                    page_url="",
                     title=title,
                     author=author,
                     fmt=fmt or "",
                     output_dir=output_dir,
                     proxy_mgr=proxy_mgr,
+                    explicit_proxy=explicit_proxy,
                     verbose=args.verbose,
                 )
                 download_results.append(result)
@@ -1037,8 +1191,11 @@ def cmd_download(args):
                 print(f"  🔍 搜索: {query_str}", file=sys.stderr)
 
             # 搜索
-            proxy_url = proxy_mgr.get_current_proxy_url()
+            session = _create_session_for_current_proxy(
-            session = ZLibSession(proxy_url=proxy_url, verbose=args.verbose)
+                proxy_mgr=proxy_mgr,
+                explicit_proxy=explicit_proxy,
+                verbose=args.verbose,
+            )
             results = session.search(query_str)
 
             if not results:
@@ -1066,6 +1223,7 @@ def cmd_download(args):
                         fmt=book.format,
                         output_dir=output_dir,
                         proxy_mgr=proxy_mgr,
+                        explicit_proxy=explicit_proxy,
                         verbose=args.verbose,
                     )
                     download_results.append(result)
@@ -1082,6 +1240,7 @@ def cmd_download(args):
                         fmt=book.format,
                         output_dir=output_dir,
                         proxy_mgr=proxy_mgr,
+                        explicit_proxy=explicit_proxy,
                         verbose=args.verbose,
                     )
                     download_results.append(result)
@@ -1120,6 +1279,7 @@ def _download_one(
     fmt: str,
     output_dir: Path,
     proxy_mgr: ProxyManager,
+    explicit_proxy: Optional[str],
     verbose: bool,
 ) -> DownloadResult:
     """下载单个文件，带代理轮询逻辑"""
@@ -1147,8 +1307,77 @@ def _download_one(
             message="文件已存在，跳过",
         )
 
-    # 检查代理轮换
+    uses_proxy_pool = proxy_mgr.has_proxy_pool()
-    if proxy_mgr.should_rotate():
+
+    # 进入下载前，若当前代理已达配额，先轮换
+    if uses_proxy_pool and proxy_mgr.should_rotate() and not proxy_mgr.rotate():
+        return DownloadResult(
+            status="error",
+            title=title,
+            author=author,
+            format=fmt,
+            filesize="",
+            filepath="",
+            message="所有代理已用完，且当前代理下载次数已达上限",
+        )
+
+    while True:
+        if uses_proxy_pool and not proxy_mgr.ensure_active():
+            return DownloadResult(
+                status="error",
+                title=title,
+                author=author,
+                format=fmt,
+                filesize="",
+                filepath="",
+                message="所有代理已用完",
+            )
+
+        if uses_proxy_pool:
+            proxy_name = proxy_mgr.get_current_proxy_name()
+        elif explicit_proxy:
+            proxy_name = explicit_proxy
+        else:
+            proxy_name = "直连"
+
+        if verbose:
+            print(f"  ⬇️  下载: {filename} (代理: {proxy_name})", file=sys.stderr)
+
+        # 每次下载尝试都创建全新 Session；切代理后会自动带新出口重建会话
+        session = _create_session_for_current_proxy(
+            proxy_mgr=proxy_mgr,
+            explicit_proxy=explicit_proxy,
+            verbose=verbose,
+        )
+        success, message = session.download_file(dl_path, page_url, output_path)
+
+        if success:
+            if uses_proxy_pool:
+                proxy_mgr.record_download()
+            filesize = os.path.getsize(output_path)
+            size_str = _format_size(filesize)
+            return DownloadResult(
+                status="success",
+                title=title,
+                author=author,
+                format=fmt,
+                filesize=size_str,
+                filepath=output_path,
+                message=f"下载成功 ({size_str})",
+                proxy_used=proxy_name,
+            )
+
+        if not uses_proxy_pool or not _should_rotate_proxy(message):
+            return DownloadResult(
+                status="error",
+                title=title,
+                author=author,
+                format=fmt,
+                filesize="",
+                filepath="",
+                message=message,
+            )
+
         if not proxy_mgr.rotate():
             return DownloadResult(
                 status="error",
@@ -1157,64 +1386,14 @@ def _download_one(
                 format=fmt,
                 filesize="",
                 filepath="",
-                message="所有代理已用完，且当前代理下载次数已达上限",
+                message=f"{message}；且所有代理已用完",
             )
 
-    proxy_url = proxy_mgr.get_current_proxy_url()
+        if verbose:
-    proxy_name = proxy_mgr.get_current_proxy_name()
+            print(
-
+                f"  🔄 下载受阻 ({message})，切换代理重试: {proxy_mgr.get_current_proxy_name()}",
-    if verbose:
+                file=sys.stderr,
-        print(
+            )
-            f"  ⬇️  下载: {filename} (代理: {proxy_name})", file=sys.stderr
-        )
-
-    # 完全创建新 Session，废弃之前的旧 Session 以获取全新的 CDN 下载授权
-    session = ZLibSession(proxy_url=proxy_url, verbose=verbose)
-    success, message = session.download_file(dl_path, page_url, output_path)
-
-    if success:
-        proxy_mgr.record_download()
-        filesize = os.path.getsize(output_path)
-        size_str = format_size(filesize)
-        return DownloadResult(
-            status="success",
-            title=title,
-            author=author,
-            format=fmt,
-            filesize=size_str,
-            filepath=output_path,
-            message=f"下载成功 ({size_str})",
-            proxy_used=proxy_name,
-        )
-    else:
-        # 如果是限制错误（达到配额）或遇到 503/403 等代理被屏蔽导致的无限验证循环，尝试切换代理重试
-        msg_lower = message.lower()
-        should_retry = (
-            "限" in message or "limit" in msg_lower or 
-            "503" in message or "403" in message or "502" in message or
-            "timeout" in msg_lower or "请求失败" in message or "html" in msg_lower
-        )
-        
-        if should_retry:
-            if proxy_mgr.rotate():
-                if verbose:
-                    print(
-                        f"  🔄 下载受阻 ({message})，切换代理重试: {proxy_mgr.get_current_proxy_name()}",
-                        file=sys.stderr,
-                    )
-                return _download_one(
-                    dl_path, page_url, title, author, fmt, output_dir, proxy_mgr, verbose
-                )
-
-        return DownloadResult(
-            status="error",
-            title=title,
-            author=author,
-            format=fmt,
-            filesize="",
-            filepath="",
-            message=message,
-        )
 
 def _format_size(size_bytes: int) -> str:
     """格式化文件大小"""