diff --git a/Cargo.lock b/Cargo.lock
index cccece72..3bfde2fb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -22,9 +22,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.18"
+version = "0.7.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+checksum = "b4f55bd91a0978cbfd91c457a164bab8b4001c833b7f323132c0a4e1922dd44e"
 dependencies = [
  "memchr",
 ]
@@ -46,18 +46,18 @@ dependencies = [
 
 [[package]]
 name = "android_system_properties"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7ed72e1635e121ca3e79420540282af22da58be50de153d36f81ddc6b83aa9e"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "anyhow"
-version = "1.0.61"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "508b352bb5c066aac251f6daf6b36eccd03e8a88e8081cd44959ea277a3af9a8"
+checksum = "b9a8f622bcf6ff3df478e9deba3e03e4e04b300f8e6a139e192c05fa3490afc7"
 
 [[package]]
 name = "arrayvec"
@@ -236,9 +236,9 @@ dependencies = [
 
 [[package]]
 name = "bumpalo"
-version = "3.10.0"
+version = "3.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37ccbd214614c6783386c1af30caf03192f17891059cecc394b4fb119e363de3"
+checksum = "c1ad822118d20d2c234f427000d5acc36eabe1e29a348c89b63dd60b13f28e5d"
 
 [[package]]
 name = "bytes"
@@ -278,9 +278,9 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "3.2.17"
+version = "3.2.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29e724a68d9319343bb3328c9cc2dfde263f4b3142ee1059a9980580171c954b"
+checksum = "23b71c3ce99b7611011217b366d923f1d0a7e07a92bb2dbf1e84508c673ca3bd"
 dependencies = [
  "atty",
  "bitflags",
@@ -296,9 +296,9 @@ dependencies = [
 
 [[package]]
 name = "clap_derive"
-version = "3.2.17"
+version = "3.2.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "13547f7012c01ab4a0e8f8967730ada8f9fdf419e8b6c792788f39cf4e46eefa"
+checksum = "ea0c8bce528c4be4da13ea6fead8965e95b6073585a2f05204bd8f4119f82a65"
 dependencies = [
  "heck",
  "proc-macro-error",
@@ -324,9 +324,9 @@ checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"
 
 [[package]]
 name = "cpufeatures"
-version = "0.2.2"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59a6001667ab124aebae2a495118e11d30984c3a653e99d86d58971708cf5e4b"
+checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320"
 dependencies = [
  "libc",
 ]
@@ -439,9 +439,9 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f107b87b6afc2a64fd13cac55fe06d6c8859f12d4b14cbcdd2c67d0976781be"
+checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"
 
 [[package]]
 name = "email-encoding"
@@ -530,9 +530,9 @@ dependencies = [
 
 [[package]]
 name = "futures"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab30e97ab6aacfe635fad58f22c2bb06c8b685f7421eb1e064a729e2a5f481fa"
+checksum = "7f21eda599937fba36daeb58a22e8f5cee2d14c4a17b5b7739c7c8e5e3b8230c"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -545,9 +545,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2bfc52cbddcfd745bf1740338492bb0bd83d76c67b445f91c5fb29fae29ecaa1"
+checksum = "30bdd20c28fadd505d0fd6712cdfcb0d4b5648baf45faef7f852afb2399bb050"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -555,15 +555,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2acedae88d38235936c3922476b10fced7b2b68136f5e3c03c2d5be348a1115"
+checksum = "4e5aa3de05362c3fb88de6531e6296e85cde7739cccad4b9dfeeb7f6ebce56bf"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d11aa21b5b587a64682c0094c2bdd4df0076c5324961a40cc3abd7f37930528"
+checksum = "9ff63c23854bee61b6e9cd331d523909f238fc7636290b96826e9cfa5faa00ab"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -572,15 +572,15 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93a66fc6d035a26a3ae255a6d2bca35eda63ae4c5512bef54449113f7a1228e5"
+checksum = "bbf4d2a7a308fd4578637c0b17c7e1c7ba127b8f6ba00b29f717e9655d85eb68"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0db9cce532b0eae2ccf2766ab246f114b56b9cf6d445e00c2549fbc100ca045d"
+checksum = "42cd15d1c7456c04dbdf7e88bcd69760d74f3a798d6444e16974b505b0e62f17"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -589,21 +589,21 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca0bae1fe9752cf7fd9b0064c674ae63f97b37bc714d745cbde0afb7ec4e6765"
+checksum = "21b20ba5a92e727ba30e72834706623d94ac93a725410b6a6b6fbc1b07f7ba56"
 
 [[package]]
 name = "futures-task"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "842fc63b931f4056a24d59de13fb1272134ce261816e063e634ad0c15cdc5306"
+checksum = "a6508c467c73851293f390476d4491cf4d227dbabcd4170f3bb6044959b294f1"
 
 [[package]]
 name = "futures-util"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0828a5471e340229c11c77ca80017937ce3c58cb788a17e5f1c2d5c485a9577"
+checksum = "44fb6cb1be61cc1d2e43b262516aafcf63b241cffdb1d3fa115f91d9c7b09c90"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -640,9 +640,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.3.13"
+version = "0.3.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37a82c6d637fc9515a4694bbf1cb2457b79d81ce52b3108bdeea58b07dd34a57"
+checksum = "5ca32592cf21ac7ccab1825cd87f6c9b3d9022c44d086172ed0966bec8af30be"
 dependencies = [
  "bytes",
  "fnv",
@@ -728,9 +728,9 @@ checksum = "0bfe8eed0a9285ef776bb792479ea3834e8b94e13d615c2f66d03dd50a435a29"
 
 [[package]]
 name = "httparse"
-version = "1.7.1"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "496ce29bb5a52785b44e0f7ca2847ae0bb839c9bd28f69acac9b99d461c0c04c"
+checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"
 
 [[package]]
 name = "httpdate"
@@ -798,13 +798,14 @@ dependencies = [
 
 [[package]]
 name = "iana-time-zone"
-version = "0.1.46"
+version = "0.1.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad2bfd338099682614d3ee3fe0cd72e0b6a41ca6a87f6a74a3bd593c91650501"
+checksum = "4c495f162af0bf17656d0014a0eded5f3cd2f365fdd204548c2869db89359dc7"
 dependencies = [
  "android_system_properties",
  "core-foundation-sys",
  "js-sys",
+ "once_cell",
  "wasm-bindgen",
  "winapi",
 ]
@@ -911,15 +912,15 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.131"
+version = "0.2.132"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04c3b4822ccebfa39c02fc03d1534441b22ead323fa0f48bb7ddd8e6ba076a40"
+checksum = "8371e4e5341c3a96db127eb2465ac681ced4c433e01dd0e938adbef26ba93ba5"
 
 [[package]]
 name = "lock_api"
-version = "0.4.7"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
+checksum = "9f80bf5aacaf25cbfc8210d1cfb718f2bf3b11c4c54e5afe36c236853a8ec390"
 dependencies = [
  "autocfg",
  "scopeguard",
@@ -1015,9 +1016,9 @@ checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
 
 [[package]]
 name = "miniz_oxide"
-version = "0.5.3"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f5c75688da582b8ffc1f1799e9db273f32133c49e048f614d22ec3256773ccc"
+checksum = "96590ba8f175222643a85693f33d26e9c8a015f599c216509b1a6894af675d34"
 dependencies = [
  "adler",
 ]
@@ -1090,9 +1091,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.13.0"
+version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18a6dbe30758c9f83eb00cbea4ac95966305f5a7772f3f42ebfc7fc7eddbd8e1"
+checksum = "2f7254b99e31cad77da24b08ebf628882739a608578bb1bcdfc1f9c21260d7c0"
 
 [[package]]
 name = "opaque-debug"
@@ -1147,18 +1148,18 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78203e83c48cffbe01e4a2d35d566ca4de445d79a85372fc64e378bfc812a260"
+checksum = "ad29a609b6bcd67fee905812e544992d216af9d755757c05ed2d0e15a74c6ecc"
 dependencies = [
  "pin-project-internal",
 ]
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "710faf75e1b33345361201d36d04e98ac1ed8909151a017ed384700836104c74"
+checksum = "069bdb1e05adc7a8990dce9cc75370895fbe4e3d58b9b73bf1aee56359344a55"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1195,9 +1196,9 @@ dependencies = [
 
 [[package]]
 name = "prettyplease"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "697ae720ee02011f439e0701db107ffe2916d83f718342d65d7f8bf7b8a5fee9"
+checksum = "a49e86d2c26a24059894a3afa13fd17d063419b05dfb83f06d9c3566060c3f5a"
 dependencies = [
  "proc-macro2",
  "syn",
@@ -1305,9 +1306,9 @@ dependencies = [
 
 [[package]]
 name = "protobuf-src"
-version = "1.0.5+3.19.3"
+version = "1.1.0+21.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fe57f68bf9767f48f8cbcbceb5da21524e2b1330a821c1c2502c447d8043f078"
+checksum = "c7ac8852baeb3cc6fb83b93646fb93c0ffe5d14bf138c945ceb4b9948ee0e3c1"
 dependencies = [
  "autotools",
 ]
@@ -1638,18 +1639,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.143"
+version = "1.0.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e8e5d5b70924f74ff5c6d64d9a5acd91422117c60f48c4e07855238a254553"
+checksum = "0f747710de3dcd43b88c9168773254e809d8ddbdf9653b84e2554ab219f17860"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.143"
+version = "1.0.144"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3d8e8de557aee63c26b85b947f5e59b690d0454c753f3adeb5cd7835ab88391"
+checksum = "94ed3a816fb1d101812f83e789f888322c34e291f894f19590dc310963e87a00"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1658,9 +1659,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.83"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38dd04e3c8279e75b31ef29dbdceebfe5ad89f4d0937213c53f7d49d01b3d5a7"
+checksum = "e55a28e3aaef9d5ce0506d0a14dbba8054ddc7e499ef522dd8b26859ec9d4a44"
 dependencies = [
  "itoa 1.0.3",
  "ryu",
@@ -1733,9 +1734,9 @@ dependencies = [
 
 [[package]]
 name = "socket2"
-version = "0.4.4"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
+checksum = "02e2d2db9033d13a1567121ddd7a095ee144db4e1ca1b1bda3419bc0da294ebd"
 dependencies = [
  "libc",
  "winapi",
@@ -1853,9 +1854,9 @@ checksum = "20518fe4a4c9acf048008599e464deb21beeae3d3578418951a189c235a7a9a8"
 
 [[package]]
 name = "sysinfo"
-version = "0.26.0"
+version = "0.26.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e08068324641dc7a50f3aa753e730594619ed9c5ba037b1b3920cb683e1a80b1"
+checksum = "4ae2421f3e16b3afd4aa692d23b83d0ba42ee9b0081d5deeb7d21428d7195fb1"
 dependencies = [
  "cfg-if",
  "core-foundation-sys",
@@ -1911,18 +1912,18 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "1.0.32"
+version = "1.0.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f5f6586b7f764adc0231f4c79be7b920e766bb2f3e51b3661cdb263828f19994"
+checksum = "8c1b05ca9d106ba7d2e31a9dab4a64e7be2cce415321966ea3132c49a656e252"
 dependencies = [
  "thiserror-impl",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "1.0.32"
+version = "1.0.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12bafc5b54507e0149cdf1b145a5d80ab80a90bcd9275df43d4fff68460f6c21"
+checksum = "e8f2591983642de85c921015f3f070c665a197ed69e417af436115e3a1407487"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1957,9 +1958,9 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.20.1"
+version = "1.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a8325f63a7d4774dd041e363b2409ed1c5cbbd0f867795e661df066b2b0a581"
+checksum = "89797afd69d206ccd11fb0ea560a44bbb87731d020670e79416d442919257d42"
 dependencies = [
  "autocfg",
  "bytes",
@@ -2250,13 +2251,12 @@ checksum = "a156c684c91ea7d62626509bce3cb4e1d9ed5c4d978f7b4352658f96a4c26b4a"
 
 [[package]]
 name = "url"
-version = "2.2.2"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
+checksum = "22fe195a4f217c25b25cb5058ced57059824a678474874038dc88d211bf508d3"
 dependencies = [
  "form_urlencoded",
  "idna",
- "matches",
  "percent-encoding",
 ]
 
@@ -2406,13 +2406,13 @@ dependencies = [
 
 [[package]]
 name = "which"
-version = "4.2.5"
+version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c4fb54e6113b6a8772ee41c3404fb0301ac79604489467e0a9ce1f3e97c24ae"
+checksum = "1c831fbbee9e129a8cf93e7747a82da9d95ba8e16621cae60ec2cdc849bacb7b"
 dependencies = [
  "either",
- "lazy_static",
  "libc",
+ "once_cell",
 ]
 
 [[package]]
diff --git a/client/Cargo.toml b/client/Cargo.toml
index 4591e259..a425a1ee 100644
--- a/client/Cargo.toml
+++ b/client/Cargo.toml
@@ -19,7 +19,7 @@ repository = "https://github.com/zdz/ServerStatus-Rust"
 anyhow = "1"
 bytes = {version = "1", features = ["serde"]}
 chrono = "0.4"
-clap = {version = "3.2", features = ["derive", "unicode"]}
+clap = {version = "3.2", features = ["derive", "unicode", "env"]}
 hyper = {version = "0.14", features = ["full"]}
 lazy_static = "1.4"
 log = "0.4"
diff --git a/client/src/main.rs b/client/src/main.rs
index b42f4a62..09bd3736 100644
--- a/client/src/main.rs
+++ b/client/src/main.rs
@@ -36,32 +36,56 @@ pub struct ClientConfig {
 
 pub static G_CONFIG: Lazy<Mutex<ClientConfig>> = Lazy::new(|| Mutex::new(ClientConfig::default()));
 
+// https://docs.rs/clap/latest/clap/_derive/index.html#command-attributes
 #[derive(Parser, Debug, Clone)]
 #[clap(author, version = env!("APP_VERSION"), about, long_about = None)]
 pub struct Args {
-    #[clap(short, long, value_parser, default_value = "http://127.0.0.1:8080/report")]
+    #[clap(
+        short,
+        long,
+        value_parser,
+        env = "SSR_ADDR",
+        default_value = "http://127.0.0.1:8080/report"
+    )]
     addr: String,
-    #[clap(short, long, value_parser, default_value = "h1", help = "username")]
+    #[clap(short, long, value_parser, env = "SSR_USER", default_value = "h1", help = "username")]
     user: String,
-    #[clap(short, long, value_parser, default_value = "p1", help = "password")]
+    #[clap(short, long, value_parser, env = "SSR_PASS", default_value = "p1", help = "password")]
     pass: String,
-    #[clap(short = 'n', long, value_parser, help = "enable vnstat, default:false")]
+    #[clap(
+        short = 'n',
+        long,
+        value_parser,
+        env = "SSR_VNSTAT",
+        help = "enable vnstat, default:false"
+    )]
     vnstat: bool,
-    #[clap(long = "disable-tupd", value_parser, help = "disable t/u/p/d, default:false")]
+    #[clap(
+        long = "disable-tupd",
+        value_parser,
+        env = "SSR_DISABLE_TUPD",
+        help = "disable t/u/p/d, default:false"
+    )]
     disable_tupd: bool,
-    #[clap(long = "disable-ping", value_parser, help = "disable ping, default:false")]
+    #[clap(
+        long = "disable-ping",
+        value_parser,
+        env = "SSR_DISABLE_PING",
+        help = "disable ping, default:false"
+    )]
     disable_ping: bool,
     #[clap(
         long = "disable-extra",
         value_parser,
+        env = "SSR_DISABLE_EXTRA",
         help = "disable extra info report, default:false"
     )]
     disable_extra: bool,
-    #[clap(long = "ct", value_parser, default_value = CT, help = "China Telecom probe addr")]
+    #[clap(long = "ct", value_parser, env = "SSR_CT_ADDR", default_value = CT, help = "China Telecom probe addr")]
     ct_addr: String,
-    #[clap(long = "cm", value_parser, default_value = CM, help = "China Mobile probe addr")]
+    #[clap(long = "cm", value_parser, env = "SSR_CM_ADDR", default_value = CM, help = "China Mobile probe addr")]
     cm_addr: String,
-    #[clap(long = "cu", value_parser, default_value = CU, help = "China Unicom probe addr")]
+    #[clap(long = "cu", value_parser, env = "SSR_CU_ADDR", default_value = CU, help = "China Unicom probe addr")]
     cu_addr: String,
     #[clap(long = "ip-info", value_parser, help = "show ip info, default:false")]
     ip_info: bool,
@@ -70,25 +94,51 @@ pub struct Args {
     #[clap(short = '6', value_parser, long = "ipv6", help = "ipv6 only, default:false")]
     ipv6: bool,
     // for group
-    #[clap(short, long, value_parser, default_value = "", help = "group id")]
+    #[clap(short, long, value_parser, env = "SSR_GID", default_value = "", help = "group id")]
     gid: String,
-    #[clap(long = "alias", value_parser, default_value = "unknown", help = "alias for host")]
+    #[clap(
+        long = "alias",
+        value_parser,
+        env = "SSR_ALIAS",
+        default_value = "unknown",
+        help = "alias for host"
+    )]
     alias: String,
-    #[clap(short, long, value_parser, default_value = "0", help = "weight for rank")]
+    #[clap(
+        short,
+        long,
+        value_parser,
+        env = "SSR_WEIGHT",
+        default_value = "0",
+        help = "weight for rank"
+    )]
     weight: u64,
-    #[clap(long = "disable-notify", value_parser, help = "disable notify, default:false")]
+    #[clap(
+        long = "disable-notify",
+        env = "SSR_DISABLE_NOTIFY",
+        value_parser,
+        help = "disable notify, default:false"
+    )]
     disable_notify: bool,
-    #[clap(short = 't', long = "type", value_parser, default_value = "", help = "host type")]
+    #[clap(
+        short = 't',
+        long = "type",
+        value_parser,
+        env = "SSR_TYPE",
+        default_value = "",
+        help = "host type"
+    )]
     host_type: String,
-    #[clap(long, value_parser, default_value = "", help = "location")]
+    #[clap(long, value_parser, env = "SSR_LOC", default_value = "", help = "location")]
     location: String,
-    // #[clap(long = "debug", help = "debug mode, default:false")]
-    // debug: bool,
+    #[clap(short = 'd', long = "debug", env = "SSR_DEBUG", help = "debug mode, default:false")]
+    debug: bool,
     #[clap(
         short = 'i',
         long = "iface",
         value_parser,
-        default_value = "",
+        env = "SSR_IFACE",
+        default_values_t = Vec::<String>::new(),
         value_delimiter = ',',
         require_delimiter = true,
         help = "iface list, eg: eth0,eth1"
@@ -98,6 +148,7 @@ pub struct Args {
         short = 'e',
         long = "exclude-iface",
         value_parser,
+        env = "SSR_EXCLUDE_IFACE",
         default_value = "lo,docker,vnet,veth,vmbr,kube,br-",
         value_delimiter = ',',
         help = "exclude iface"
@@ -249,7 +300,9 @@ async fn main() -> Result<()> {
     let mut args = Args::parse();
     args.iface.retain(|e| !e.trim().is_empty());
     args.exclude_iface.retain(|e| !e.trim().is_empty());
-    dbg!(&args);
+    if args.debug {
+        dbg!(&args);
+    }
 
     if args.ip_info {
         let info = ip_api::get_ip_info(args.ipv6).await?;
diff --git a/example.env b/example.env
new file mode 100644
index 00000000..ff7c9df5
--- /dev/null
+++ b/example.env
@@ -0,0 +1,23 @@
+
+# 优先级 cli > .env > default value
+# 1. ~$ export $(grep -v '^#' example.env | xargs)
+# 2. ~$ ./stat_client -u h1
+# 或 systemd => EnvironmentFile=/opt/ServerStatus/.env
+
+SSR_DEBUG=true
+
+SSR_ADDR=http://127.0.0.1:8080/report
+# SSR_USER=h1
+SSR_PASS=p1
+SSR_VNSTAT=true
+SSR_DISABLE_TUPD=false
+SSR_DISABLE_PING=false
+SSR_DISABLE_EXTRA=false
+SSR_DISABLE_NOTIFY=false
+SSR_EXCLUDE_IFACE=lo,docker,vnet,veth,vmbr,kube,br-
+
+SSR_WEIGHT=0
+
+SSR_CM_ADDR=cm.tz.cloudcpp.com:80
+SSR_CT_ADDR=ct.tz.cloudcpp.com:80
+SSR_CU_ADDR=cu.tz.cloudcpp.com:80
diff --git a/systemd/stat_client.service b/systemd/stat_client.service
index 4d159265..9a5945a5 100644
--- a/systemd/stat_client.service
+++ b/systemd/stat_client.service
@@ -7,6 +7,7 @@ User=root
 Group=root
 Environment="RUST_BACKTRACE=1"
 WorkingDirectory=/opt/ServerStatus
+# EnvironmentFile=/opt/ServerStatus/.env
 ExecStart=/opt/ServerStatus/stat_client -a "http://127.0.0.1:8080/report" -u h1 -p p1
 ExecReload=/bin/kill -HUP $MAINPID
 Restart=on-failure
@@ -15,3 +16,4 @@ Restart=on-failure
 WantedBy=multi-user.target
 
 # /etc/systemd/system/stat_client.service
+# journalctl -u stat_client -f -n 100