From 114cc5132b7985bc8df9be29b135fac749cf08d0 Mon Sep 17 00:00:00 2001
From: Bluemangoo <chenfy2006@qq.com>
Date: Wed, 4 Nov 2026 19:12:16 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8E=8B=E7=BC=A9=E4=BA=86rust=E7=9A=84?=
 =?UTF-8?q?=E4=BE=9D=E8=B5=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 core_vpn/Cargo.lock  | 389 +------------------------------------------
 core_vpn/Cargo.toml  |  10 +-
 core_vpn/src/mitm.rs |  54 +++---
 3 files changed, 35 insertions(+), 418 deletions(-)

diff --git a/core_vpn/Cargo.lock b/core_vpn/Cargo.lock
index b752f76..907d906 100644
--- a/core_vpn/Cargo.lock
+++ b/core_vpn/Cargo.lock
@@ -61,7 +61,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "syn 2.0.119",
- "synstructure 0.13.2",
+ "synstructure",
 ]
 
 [[package]]
@@ -105,29 +105,6 @@ version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f2032f911046de80f0a198e0901378627c33f59ea0ac00e363d481118bd70a53"
 
-[[package]]
-name = "aws-lc-rs"
-version = "1.18.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "faac5829c2b74c28f830747e7818ccfb684261b5f48a1118b1e2a13d36dfab13"
-dependencies = [
- "aws-lc-sys",
- "zeroize",
-]
-
-[[package]]
-name = "aws-lc-sys"
-version = "0.46.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1622d8446a2d4b2ce0c7eefc73dd43a99779028d5ee5c2dd8073a658ba8a2bc"
-dependencies = [
- "cc",
- "cmake",
- "dunce",
- "fs_extra",
- "pkg-config",
-]
-
 [[package]]
 name = "base64"
 version = "0.23.1"
@@ -181,8 +158,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "877bf67ac8e52449eb2f9e98a344ea163beb70dd1f9eebe3cc5357dcfeaee4df"
 dependencies = [
  "find-msvc-tools",
- "jobserver",
- "libc",
  "shlex",
 ]
 
@@ -209,15 +184,6 @@ dependencies = [
  "rand_core",
 ]
 
-[[package]]
-name = "cmake"
-version = "0.1.58"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0f78a02292a74a88ac736019ab962ece0bc380e3f977bf72e376c5d78ff0678"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "combine"
 version = "4.6.9"
@@ -284,8 +250,6 @@ dependencies = [
  "tokio-rustls",
  "tokio-util",
  "tun-rs",
- "url",
- "webpki-roots",
 ]
 
 [[package]]
@@ -340,12 +304,6 @@ dependencies = [
  "syn 3.0.9",
 ]
 
-[[package]]
-name = "dunce"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92773504d58c093f6de2459af4af33faa518c13451eb8f2b5698ed3d36e7c813"
-
 [[package]]
 name = "encoding_rs"
 version = "0.8.42"
@@ -360,16 +318,6 @@ dependencies = [
  "simdutf8",
 ]
 
-[[package]]
-name = "errno"
-version = "0.3.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
-dependencies = [
- "libc",
- "windows-sys 0.61.2",
-]
-
 [[package]]
 name = "etherparse"
 version = "0.20.3"
@@ -426,21 +374,6 @@ dependencies = [
  "spin",
 ]
 
-[[package]]
-name = "form_urlencoded"
-version = "1.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb4cb245038516f5f85277875cdaa4f7d2c9a0fa0468de06ed190163b1581fcf"
-dependencies = [
- "percent-encoding",
-]
-
-[[package]]
-name = "fs_extra"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42703706b716c37f96a77aea830392ad231f44c9e9a67872fa5548707e11b11c"
-
 [[package]]
 name = "futures-channel"
 version = "0.3.34"
@@ -608,110 +541,6 @@ dependencies = [
  "tracing",
 ]
 
-[[package]]
-name = "icu_collections"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe090a42a0d3140fed8c63263ed1fecc02422cb2f4bfe55cd8de2de1b8e105dd"
-dependencies = [
- "displaydoc",
- "potential_utf",
- "utf8_iter",
- "yoke",
- "zerofrom",
- "zerovec",
-]
-
-[[package]]
-name = "icu_locale_core"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25d29b57c17c6528d0dc4c2141cfa2d08200465acb537a3909c8b9b8a4a984c0"
-dependencies = [
- "displaydoc",
- "litemap",
- "tinystr",
- "writeable",
- "zerovec",
-]
-
-[[package]]
-name = "icu_normalizer"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "404a3b8c486f205c87fe7f23ab6894d84a4ad76d6e4671ae1981ba7def87c599"
-dependencies = [
- "icu_collections",
- "icu_normalizer_data",
- "icu_properties",
- "icu_provider",
- "smallvec",
- "zerovec",
-]
-
-[[package]]
-name = "icu_normalizer_data"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "20f0088bfb7441f7a37fa0c9e20cb1e9cba1cac6b9ce8cd2a6dc44294f8e8cbc"
-
-[[package]]
-name = "icu_properties"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ea83d991c56158f7cf898bf86436c1dfe7c07ee82fe88951f2695c9f37a379f"
-dependencies = [
- "displaydoc",
- "icu_collections",
- "icu_locale_core",
- "icu_properties_data",
- "icu_provider",
- "zerotrie",
- "zerovec",
-]
-
-[[package]]
-name = "icu_properties_data"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b98f29af82d02b163fe50161388350e743bb3107cc8e8c2f7314cb505faddfcf"
-
-[[package]]
-name = "icu_provider"
-version = "2.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "413099315636c588ee8f011190b329b971a09a8fae9d157e01dcae8379468514"
-dependencies = [
- "displaydoc",
- "icu_locale_core",
- "writeable",
- "yoke",
- "zerofrom",
- "zerotrie",
- "zerovec",
-]
-
-[[package]]
-name = "idna"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b0875f23caa03898994f6ddc501886a45c7d3d62d04d2d90788d47be1b1e4de"
-dependencies = [
- "idna_adapter",
- "smallvec",
- "utf8_iter",
-]
-
-[[package]]
-name = "idna_adapter"
-version = "1.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb68373c0d6620ef8105e855e7745e18b0d00d3bdb07fb532e434244cdb9a714"
-dependencies = [
- "icu_normalizer",
- "icu_properties",
-]
-
 [[package]]
 name = "ipnet"
 version = "2.12.2"
@@ -788,16 +617,6 @@ dependencies = [
  "syn 2.0.119",
 ]
 
-[[package]]
-name = "jobserver"
-version = "0.1.35"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1c00acbd29eabad4a2392fa0e921c874934dbbf4194312ad20f04a0ed67a3cb3"
-dependencies = [
- "getrandom 0.4.3",
- "libc",
-]
-
 [[package]]
 name = "js-sys"
 version = "0.3.106"
@@ -830,12 +649,6 @@ dependencies = [
  "windows-link 0.2.1",
 ]
 
-[[package]]
-name = "litemap"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47d9d19d1d6efa0109d2f65ff4c85cddd50bd572e5a00127ab10987290bcefae"
-
 [[package]]
 name = "lock_api"
 version = "0.4.14"
@@ -1058,29 +871,6 @@ version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f38d5652c16fde515bb1ecef450ab0f6a219d619a7274976324d5e377f7dceba"
 
-[[package]]
-name = "parking_lot"
-version = "0.12.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93857453250e3077bd71ff98b6a65ea6621a19bb0f559a85248955ac12c45a1a"
-dependencies = [
- "lock_api",
- "parking_lot_core",
-]
-
-[[package]]
-name = "parking_lot_core"
-version = "0.9.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2621685985a2ebf1c516881c026032ac7deafcda1a2c9b7850dc81e3dfcb64c1"
-dependencies = [
- "cfg-if",
- "libc",
- "redox_syscall",
- "smallvec",
- "windows-link 0.2.1",
-]
-
 [[package]]
 name = "paste"
 version = "1.0.15"
@@ -1120,21 +910,6 @@ dependencies = [
  "futures-io",
 ]
 
-[[package]]
-name = "pkg-config"
-version = "0.3.34"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6b464fbc74e149a392436b17d523f769e057cb6877f6a5c4618bc6f11800548"
-
-[[package]]
-name = "potential_utf"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d83eb9bc6d8e5cf568e7a1101d60ee05e81ed50ea106026f3d18deeb046d7661"
-dependencies = [
- "zerovec",
-]
-
 [[package]]
 name = "powerfmt"
 version = "0.2.1"
@@ -1211,15 +986,6 @@ dependencies = [
  "yasna",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.5.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed2bf2547551a7053d6fdfafda3f938979645c44812fbfcda098faae3f1a362d"
-dependencies = [
- "bitflags",
-]
-
 [[package]]
 name = "regex"
 version = "1.13.1"
@@ -1301,9 +1067,8 @@ version = "0.23.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "48e13bd8c0e9365c43cfa5c9e8f9ad49d3c8444926c9aac819e0e4dc503c8fdf"
 dependencies = [
- "aws-lc-rs",
- "log",
  "once_cell",
+ "ring",
  "rustls-pki-types",
  "rustls-webpki",
  "subtle",
@@ -1346,7 +1111,6 @@ version = "0.103.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4443b1b6d39d7c663139942cc4558262562d2c84123bb6282ef177009ca8b281"
 dependencies = [
- "aws-lc-rs",
  "ring",
  "rustls-pki-types",
  "untrusted",
@@ -1460,16 +1224,6 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f8fadd59c855ef2080decdef8ff161eb6661b86933c9d82e5ba29dc602a55aba"
 
-[[package]]
-name = "signal-hook-registry"
-version = "1.4.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4db69cba1110affc0e9f7bcd48bbf87b3f4fc7c61fc9155afd4c469eb3d6c1b"
-dependencies = [
- "errno",
- "libc",
-]
-
 [[package]]
 name = "simd_cesu8"
 version = "1.2.0"
@@ -1511,12 +1265,6 @@ dependencies = [
  "lock_api",
 ]
 
-[[package]]
-name = "stable_deref_trait"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce2be8dc25455e1f91df71bfa12ad37d7af1092ae736f3a6cd0e37bc7810596"
-
 [[package]]
 name = "subtle"
 version = "2.6.1"
@@ -1556,17 +1304,6 @@ dependencies = [
  "syn 2.0.119",
 ]
 
-[[package]]
-name = "synstructure"
-version = "0.14.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "901704edd0dfe137f1987838ee4f259e4e063c31371bdb423f7ae38ec6f77f02"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 3.0.9",
-]
-
 [[package]]
 name = "system-configuration-sys"
 version = "0.6.0"
@@ -1627,16 +1364,6 @@ dependencies = [
  "time-core",
 ]
 
-[[package]]
-name = "tinystr"
-version = "0.8.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "abc840c238154d58f9e86b2792261edfde565a17696e1cda1a449de27979801a"
-dependencies = [
- "displaydoc",
- "zerovec",
-]
-
 [[package]]
 name = "tokio"
 version = "1.54.1"
@@ -1646,9 +1373,7 @@ dependencies = [
  "bytes",
  "libc",
  "mio",
- "parking_lot",
  "pin-project-lite",
- "signal-hook-registry",
  "socket2",
  "tokio-macros",
  "windows-sys 0.61.2",
@@ -1756,24 +1481,6 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
-[[package]]
-name = "url"
-version = "2.5.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff67a8a4397373c3ef660812acab3268222035010ab8680ec4215f38ba3d0eed"
-dependencies = [
- "form_urlencoded",
- "idna",
- "percent-encoding",
- "serde",
-]
-
-[[package]]
-name = "utf8_iter"
-version = "1.0.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"
-
 [[package]]
 name = "version_check"
 version = "0.9.5"
@@ -1859,15 +1566,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "webpki-roots"
-version = "1.0.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5f280bbb2b287bc8e7de7e3852945a0ff50d1bbcb5ed42b6c7a568c546df171"
-dependencies = [
- "rustls-pki-types",
-]
-
 [[package]]
 name = "widestring"
 version = "1.2.1"
@@ -2098,12 +1796,6 @@ version = "0.57.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1ebf944e87a7c253233ad6766e082e3cd714b5d03812acc24c318f549614536e"
 
-[[package]]
-name = "writeable"
-version = "0.6.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ad82d2a33cdc9674dc7465672f271e096168fcdbe0f799d9e6db8c5892679dc"
-
 [[package]]
 name = "x509-parser"
 version = "0.18.1"
@@ -2132,29 +1824,6 @@ dependencies = [
  "time",
 ]
 
-[[package]]
-name = "yoke"
-version = "0.8.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "417ef3fcf6c300b7dbd25c85531a746931c02ad536f3cf4786ed1e88223340b3"
-dependencies = [
- "stable_deref_trait",
- "yoke-derive",
- "zerofrom",
-]
-
-[[package]]
-name = "yoke-derive"
-version = "0.8.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec8ebde2db3681e8c9980cc27822030e68752690ddfa9473e739aeb4dbde6d71"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 3.0.9",
- "synstructure 0.14.0",
-]
-
 [[package]]
 name = "zerocopy"
 version = "0.8.63"
@@ -2175,66 +1844,12 @@ dependencies = [
  "syn 2.0.119",
 ]
 
-[[package]]
-name = "zerofrom"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ec05a11813ea801ff6d75110ad09cd0824ddba17dfe17128ea0d5f68e6c5272"
-dependencies = [
- "zerofrom-derive",
-]
-
-[[package]]
-name = "zerofrom-derive"
-version = "0.1.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f75b4683f6c7f45248d4d64056a24298c6281e0993356d7d1b4a1a962ef10d4a"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 3.0.9",
- "synstructure 0.14.0",
-]
-
 [[package]]
 name = "zeroize"
 version = "1.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e13084392c5e4bc371903e2935a5eaeed24905a7511356b883835e18a78f6879"
 
-[[package]]
-name = "zerotrie"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ea269c3bd32f0a32c321907a2ae912ba6f4649bb0fc764a15627e99a7095a3f"
-dependencies = [
- "displaydoc",
- "yoke",
- "zerofrom",
-]
-
-[[package]]
-name = "zerovec"
-version = "0.11.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f58a2799cfe9a1670c7ea8edbd52ef8edb93cb37a7f83bf31ba9e35d9dae6a40"
-dependencies = [
- "yoke",
- "zerofrom",
- "zerovec-derive",
-]
-
-[[package]]
-name = "zerovec-derive"
-version = "0.11.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3743ddbf47738d929cd1ae2e199d40d0162979dfe31aef8ae646d2bf00bf97a"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 3.0.9",
-]
-
 [[package]]
 name = "zmij"
 version = "1.0.23"
diff --git a/core_vpn/Cargo.toml b/core_vpn/Cargo.toml
index 58c5560..41dda66 100644
--- a/core_vpn/Cargo.toml
+++ b/core_vpn/Cargo.toml
@@ -9,17 +9,16 @@ crate-type = ["cdylib"]
 [dependencies]
 ipstack = "1.0.1"
 tun-rs = { version = "2.8.13", features = ["async_tokio"] }
-tokio = { version = "1.47.5", features = ["full"] }
-tokio-rustls = "0.26"
+tokio = { version = "1.47.5", features = ["rt-multi-thread", "net", "time", "macros", "sync", "fs"] }
 rustls-pemfile = "2"
 jni = "0.22.4"
-rcgen = { version = "0.14", features = ["x509-parser"] }
+rcgen = { version = "0.14", features = ["x509-parser", "ring"] }
 anyhow = "1"
 bytes = "1"
 tokio-util = "0.7.20"
-rustls = "0.23.46"
+rustls = { version = "0.23", default-features = false, features = ["ring", "std", "tls12"] }
+tokio-rustls = { version = "0.26", default-features = false, features = ["ring", "tls12"] }
 rustls-native-certs = "0.8.5"
-webpki-roots = "1"
 regex = "1.13.1"
 hyper = { version = "1.0", features = ["server", "client", "http1"] }
 hyper-util = { version = "0.1", features = ["tokio", "server", "client"] }
@@ -28,7 +27,6 @@ http = "1.5.0"
 qstring = "0.7.2"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-url = "2"
 base64 = "0.23.1"
 
 [build-dependencies]
diff --git a/core_vpn/src/mitm.rs b/core_vpn/src/mitm.rs
index a39fe9c..fdc8504 100644
--- a/core_vpn/src/mitm.rs
+++ b/core_vpn/src/mitm.rs
@@ -14,6 +14,7 @@ use std::net::SocketAddr;
 use std::os::fd::RawFd;
 use std::sync::{Arc, Mutex as StdMutex, OnceLock};
 use std::time::Duration;
+use anyhow::{anyhow, bail};
 use tokio::io::{AsyncRead, AsyncReadExt, AsyncWrite, AsyncWriteExt};
 use tokio::net::UdpSocket;
 use tokio::task::JoinSet;
@@ -53,9 +54,6 @@ fn root_store() -> Arc<RootCertStore> {
 
             load_system_ca_dirs(&mut root_store);
 
-            if root_store.is_empty() {
-                root_store.extend(webpki_roots::TLS_SERVER_ROOTS.iter().cloned());
-            }
             Arc::new(root_store)
         })
         .clone()
@@ -429,29 +427,35 @@ impl ProxyConfig {
         if raw.is_empty() {
             return Ok(None);
         }
-        let url = url::Url::parse(raw)
-            .map_err(|e| anyhow::anyhow!("代理地址不是合法 URL: {raw} ({e})"))?;
-        let tls = match url.scheme() {
+        let uri: Uri = raw
+            .parse()
+            .map_err(|e| anyhow!("代理地址不是合法 URL: {raw} ({e})"))?;
+
+        let scheme = uri.scheme_str().unwrap_or("");
+        let tls = match scheme {
             "http" => false,
             "https" => true,
-            other => anyhow::bail!("代理只支持 http/https，当前是 {other}://"),
+            other => bail!("代理只支持 http/https，当前是 {other}://"),
         };
-        let host = url
-            .host_str()
-            .filter(|h| !h.is_empty())
-            .ok_or_else(|| anyhow::anyhow!("代理地址缺少 host: {raw}"))?
+
+        let host = uri
+            .host()
+            .filter(|h: &&str| !h.is_empty())
+            .ok_or_else(|| anyhow!("代理地址缺少 host: {raw}"))?
             .to_string();
-        let port = url
-            .port_or_known_default()
-            .ok_or_else(|| anyhow::anyhow!("代理地址缺少端口: {raw}"))?;
-        let auth = if url.username().is_empty() {
-            None
-        } else {
-            let pass = url.password().unwrap_or("");
-            Some(base64_encode(
-                format!("{}:{}", url.username(), pass).as_bytes(),
-            ))
-        };
+
+        let port = uri.port_u16().unwrap_or(if tls { 443 } else { 80 });
+
+        // 提取 userInfo: [username]:[password]
+        let auth = uri.authority().and_then(|auth| {
+            let userinfo = auth.as_str().split('@').next()?;
+            // 只有确实存在 userinfo 时（即有 '@' 符号）才提取认证信息
+            if auth.as_str().contains('@') && !userinfo.is_empty() {
+                Some(base64_encode(userinfo.as_bytes()))
+            } else {
+                None
+            }
+        });
         Ok(Some(Self {
             tls,
             host,
@@ -539,14 +543,14 @@ async fn connect_via_proxy(
     loop {
         let n = io.read(&mut byte).await?;
         if n == 0 {
-            anyhow::bail!("代理在 CONNECT 阶段直接断开");
+            bail!("代理在 CONNECT 阶段直接断开");
         }
         head.push(byte[0]);
         if head.ends_with(b"\r\n\r\n") {
             break;
         }
         if head.len() > 16 * 1024 {
-            anyhow::bail!("代理 CONNECT 响应头过长");
+            bail!("代理 CONNECT 响应头过长");
         }
     }
     let head_str = String::from_utf8_lossy(&head);
@@ -557,7 +561,7 @@ async fn connect_via_proxy(
         .map(|code| code == "200")
         .unwrap_or(false);
     if !ok {
-        anyhow::bail!("代理 CONNECT 失败: {status_line}");
+        bail!("代理 CONNECT 失败: {status_line}");
     }
     Ok(io)
 }