diff --git a/CHANGELOG.md b/CHANGELOG.md
index 22f1a96..647725b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,13 @@
 CHANGELOG
 ============
 
+v0.9.1
+----------
+
+1. 升级 actix-web 到 4.0.0-beta.15
+2. 升级 tokio 到 1.15.0
+3. 使用 awc 发起HTTP请求
+
 v0.9.0
 ----------
 
diff --git a/Cargo.lock b/Cargo.lock
index 036107f..27fd43d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,95 +4,65 @@ version = 3
 
 [[package]]
 name = "actix-codec"
-version = "0.3.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78d1833b3838dbe990df0f1f87baf640cf6146e898166afe401839d1b001e570"
+checksum = "13895df506faee81e423febbae3a33b27fca71831b96bb3d60adf16ebcfea952"
 dependencies = [
  "bitflags",
- "bytes 0.5.6",
+ "bytes",
  "futures-core",
  "futures-sink",
  "log",
- "pin-project 0.4.28",
- "tokio 0.2.25",
+ "memchr",
+ "pin-project-lite",
+ "tokio",
  "tokio-util",
 ]
 
-[[package]]
-name = "actix-connect"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "177837a10863f15ba8d3ae3ec12fac1099099529ed20083a27fdfe247381d0dc"
-dependencies = [
- "actix-codec",
- "actix-rt",
- "actix-service",
- "actix-utils",
- "derive_more",
- "either",
- "futures-util",
- "http",
- "log",
- "rustls 0.18.1",
- "tokio-rustls",
- "trust-dns-proto",
- "trust-dns-resolver",
- "webpki 0.21.4",
-]
-
 [[package]]
 name = "actix-http"
-version = "2.2.1"
+version = "3.0.0-beta.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5cb8958da437716f3f31b0e76f8daf36554128517d7df37ceba7df00f09622ee"
+checksum = "6294c508c1413346857838356f53f45dbfd257ea31dca19470d9ce78750a7d37"
 dependencies = [
  "actix-codec",
- "actix-connect",
  "actix-rt",
  "actix-service",
- "actix-threadpool",
  "actix-tls",
  "actix-utils",
- "base64 0.13.0",
+ "ahash",
+ "base64",
  "bitflags",
  "brotli2",
- "bytes 0.5.6",
- "cookie",
- "copyless",
+ "bytes",
+ "bytestring",
  "derive_more",
- "either",
  "encoding_rs",
  "flate2",
- "futures-channel",
  "futures-core",
- "futures-util",
- "fxhash",
+ "futures-task",
  "h2",
  "http",
  "httparse",
- "indexmap",
+ "httpdate",
  "itoa 0.4.8",
  "language-tags",
- "lazy_static",
+ "local-channel",
  "log",
  "mime",
  "percent-encoding",
- "pin-project 1.0.8",
+ "pin-project-lite",
  "rand",
- "regex",
- "serde",
- "serde_json",
- "serde_urlencoded",
  "sha-1 0.9.8",
- "slab",
- "time 0.2.27",
+ "smallvec",
+ "zstd",
 ]
 
 [[package]]
 name = "actix-macros"
-version = "0.1.3"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4ca8ce00b267af8ccebbd647de0d61e0674b6e61185cc7a592ff88772bed655"
+checksum = "465a6172cf69b960917811022d8f29bc0b7fa1398bc4f78b3c466673db1213b6"
 dependencies = [
  "quote",
  "syn",
@@ -100,11 +70,12 @@ dependencies = [
 
 [[package]]
 name = "actix-router"
-version = "0.2.7"
+version = "0.5.0-beta.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2ad299af73649e1fc893e333ccf86f377751eb95ff875d095131574c6f43452c"
+checksum = "ddd9f117b910fbcce6e9f45092ffd4ff017785a346d09e2d4fd049f4e20384f4"
 dependencies = [
  "bytestring",
+ "firestorm",
  "http",
  "log",
  "regex",
@@ -113,119 +84,79 @@ dependencies = [
 
 [[package]]
 name = "actix-rt"
-version = "1.1.1"
+version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "143fcc2912e0d1de2bcf4e2f720d2a60c28652ab4179685a1ee159e0fb3db227"
+checksum = "05c2f80ce8d0c990941c7a7a931f69fd0701b76d521f8d36298edf59cd3fbf1f"
 dependencies = [
  "actix-macros",
- "actix-threadpool",
- "copyless",
- "futures-channel",
- "futures-util",
- "smallvec",
- "tokio 0.2.25",
+ "futures-core",
+ "tokio",
 ]
 
 [[package]]
 name = "actix-server"
-version = "1.0.4"
+version = "2.0.0-rc.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45407e6e672ca24784baa667c5d32ef109ccdd8d5e0b5ebb9ef8a67f4dfb708e"
+checksum = "78c9b22794b8af1c2e02434873ef858f2a7db40dbbf861ce77a04cd81ac6b767"
 dependencies = [
- "actix-codec",
  "actix-rt",
  "actix-service",
  "actix-utils",
- "futures-channel",
+ "futures-core",
  "futures-util",
  "log",
- "mio 0.6.23",
- "mio-uds",
+ "mio 0.8.0",
  "num_cpus",
- "slab",
  "socket2",
+ "tokio",
 ]
 
 [[package]]
 name = "actix-service"
-version = "1.0.6"
+version = "2.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0052435d581b5be835d11f4eb3bce417c8af18d87ddf8ace99f8e67e595882bb"
+checksum = "3b894941f818cfdc7ccc4b9e60fa7e53b5042a2e8567270f9147d5591893373a"
 dependencies = [
- "futures-util",
- "pin-project 0.4.28",
-]
-
-[[package]]
-name = "actix-testing"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47239ca38799ab74ee6a8a94d1ce857014b2ac36f242f70f3f75a66f691e791c"
-dependencies = [
- "actix-macros",
- "actix-rt",
- "actix-server",
- "actix-service",
- "log",
- "socket2",
-]
-
-[[package]]
-name = "actix-threadpool"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d209f04d002854b9afd3743032a27b066158817965bf5d036824d19ac2cc0e30"
-dependencies = [
- "derive_more",
- "futures-channel",
- "lazy_static",
- "log",
- "num_cpus",
- "parking_lot",
- "threadpool",
+ "futures-core",
+ "paste",
+ "pin-project-lite",
 ]
 
 [[package]]
 name = "actix-tls"
-version = "2.0.0"
+version = "3.0.0-rc.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "24789b7d7361cf5503a504ebe1c10806896f61e96eca9a7350e23001aca715fb"
+checksum = "bcebfd4a6255a2a75b7b87c1a3a723c57f08293ca9a7fade692e94515585f7a6"
 dependencies = [
  "actix-codec",
+ "actix-rt",
  "actix-service",
  "actix-utils",
- "futures-util",
- "rustls 0.18.1",
+ "derive_more",
+ "futures-core",
+ "http",
+ "log",
+ "pin-project-lite",
  "tokio-rustls",
- "webpki 0.21.4",
+ "tokio-util",
  "webpki-roots",
 ]
 
 [[package]]
 name = "actix-utils"
-version = "2.0.0"
+version = "3.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e9022dec56632d1d7979e59af14f0597a28a830a9c1c7fec8b2327eb9f16b5a"
+checksum = "e491cbaac2e7fc788dfff99ff48ef317e23b3cf63dbaf7aaab6418f40f92aa94"
 dependencies = [
- "actix-codec",
- "actix-rt",
- "actix-service",
- "bitflags",
- "bytes 0.5.6",
- "either",
- "futures-channel",
- "futures-sink",
- "futures-util",
- "log",
- "pin-project 0.4.28",
- "slab",
+ "local-waker",
+ "pin-project-lite",
 ]
 
 [[package]]
 name = "actix-web"
-version = "3.3.2"
+version = "4.0.0-beta.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e641d4a172e7faa0862241a20ff4f1f5ab0ab7c279f00c2d4587b77483477b86"
+checksum = "4609cf57246040316642d4dc4c03d7f3d4a083a892122829dbd9e6ec8db7cd67"
 dependencies = [
  "actix-codec",
  "actix-http",
@@ -234,39 +165,41 @@ dependencies = [
  "actix-rt",
  "actix-server",
  "actix-service",
- "actix-testing",
- "actix-threadpool",
  "actix-tls",
  "actix-utils",
  "actix-web-codegen",
- "awc",
- "bytes 0.5.6",
+ "ahash",
+ "bytes",
+ "cfg-if 1.0.0",
+ "cookie",
  "derive_more",
  "encoding_rs",
- "futures-channel",
  "futures-core",
  "futures-util",
- "fxhash",
+ "itoa 0.4.8",
+ "language-tags",
  "log",
  "mime",
- "pin-project 1.0.8",
+ "once_cell",
+ "paste",
+ "pin-project-lite",
  "regex",
- "rustls 0.18.1",
  "serde",
  "serde_json",
  "serde_urlencoded",
+ "smallvec",
  "socket2",
- "time 0.2.27",
- "tinyvec",
+ "time 0.3.5",
  "url",
 ]
 
 [[package]]
 name = "actix-web-codegen"
-version = "0.4.0"
+version = "0.5.0-beta.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad26f77093333e0e7c6ffe54ebe3582d908a104e448723eec6d43d08b07143fb"
+checksum = "30a90b7f6c2fde9a1fe3df4da758c2c3c9d620dfa3eae4da0b6925dc0a13444a"
 dependencies = [
+ "actix-router",
  "proc-macro2",
  "quote",
  "syn",
@@ -290,6 +223,17 @@ dependencies = [
  "opaque-debug 0.3.0",
 ]
 
+[[package]]
+name = "ahash"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
+dependencies = [
+ "getrandom",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.18"
@@ -308,17 +252,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "async-trait"
-version = "0.1.52"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "061a7acccaa286c011ddc30970520b98fa40e00c9d644633fb26b5fc63a265e3"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -338,27 +271,37 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "awc"
-version = "2.0.3"
+version = "3.0.0-beta.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b381e490e7b0cfc37ebc54079b0413d8093ef43d14a4e4747083f7fa47a9e691"
+checksum = "8c7f4bbe98c31efbf5182545d1b0a423df909ee27281c66f3c9aaeb58120cf8b"
 dependencies = [
  "actix-codec",
  "actix-http",
  "actix-rt",
  "actix-service",
- "base64 0.13.0",
- "bytes 0.5.6",
+ "actix-tls",
+ "actix-utils",
+ "ahash",
+ "base64",
+ "bytes",
  "cfg-if 1.0.0",
+ "cookie",
  "derive_more",
  "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "itoa 0.4.8",
  "log",
  "mime",
  "percent-encoding",
+ "pin-project-lite",
  "rand",
- "rustls 0.18.1",
+ "rustls",
  "serde",
  "serde_json",
  "serde_urlencoded",
+ "tokio",
 ]
 
 [[package]]
@@ -367,12 +310,6 @@ version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a4521f3e3d031370679b3b140beb36dfe4801b09ac77e30c61941f97df3ef28b"
 
-[[package]]
-name = "base64"
-version = "0.12.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3441f0f7b02788e948e47f457ca01f1d7e6d92c693bc132c22b087d3141c03ff"
-
 [[package]]
 name = "base64"
 version = "0.13.0"
@@ -478,12 +415,6 @@ version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
 
-[[package]]
-name = "bytes"
-version = "0.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
-
 [[package]]
 name = "bytes"
 version = "1.1.0"
@@ -496,7 +427,7 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "90706ba19e97b90786e19dc0d5e2abd80008d99d4c0c5d1ad0b5e72cec7c494d"
 dependencies = [
- "bytes 1.1.0",
+ "bytes",
 ]
 
 [[package]]
@@ -504,6 +435,9 @@ name = "cc"
 version = "1.0.72"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22a9137b95ea06864e018375b72adfb7db6e6f68cfc8df5a04d00288050485ee"
+dependencies = [
+ "jobserver",
+]
 
 [[package]]
 name = "cfg-if"
@@ -526,7 +460,7 @@ dependencies = [
  "libc",
  "num-integer",
  "num-traits",
- "time 0.1.44",
+ "time 0.1.43",
  "winapi 0.3.9",
 ]
 
@@ -567,21 +501,15 @@ checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
 
 [[package]]
 name = "cookie"
-version = "0.14.4"
+version = "0.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03a5d7b21829bc7b4bf4754a978a241ae54ea55a40f92bb20216e54096f4b951"
+checksum = "d5f1c7727e460397e56abc4bddc1d49e07a1ad78fc98eb2e1c8f032a58a2f80d"
 dependencies = [
  "percent-encoding",
  "time 0.2.27",
  "version_check",
 ]
 
-[[package]]
-name = "copyless"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2df960f5d869b2dd8532793fde43eb5427cceb126c929747a26823ab0eeb536"
-
 [[package]]
 name = "cpufeatures"
 version = "0.2.1"
@@ -657,12 +585,6 @@ version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
 
-[[package]]
-name = "either"
-version = "1.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
-
 [[package]]
 name = "encoding_rs"
 version = "0.8.30"
@@ -672,24 +594,18 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
-[[package]]
-name = "enum-as-inner"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c5f0096a91d210159eceb2ff5e1c4da18388a170e1e3ce948aac9c8fdbbf595"
-dependencies = [
- "heck",
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "fake-simd"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 
+[[package]]
+name = "firestorm"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "31586bda1b136406162e381a3185a506cdfc1631708dd40cba2f6628d8634499"
+
 [[package]]
 name = "flate2"
 version = "1.0.22"
@@ -736,9 +652,9 @@ checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
 [[package]]
 name = "futures"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a12aa0eb539080d55c3f2d45a67c3b58b6b0773c1a3ca2dfec66d58c97fd66ca"
+checksum = "28560757fe2bb34e79f907794bb6b22ae8b0e5c669b638a1132f2592b19035b4"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -751,9 +667,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5da6ba8c3bb3c165d3c7319fc1cc8304facf1fb8db99c5de877183c08a273888"
+checksum = "ba3dda0b6588335f360afc675d0564c17a77a2bda81ca178a4b6081bd86c7f0b"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -761,15 +677,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "88d1c26957f23603395cd326b0ffe64124b818f4449552f960d815cfba83a53d"
+checksum = "d0c8ff0461b82559810cdccfde3215c3f373807f5e5232b71479bff7bb2583d7"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "45025be030969d763025784f7f355043dc6bc74093e4ecc5000ca4dc50d8745c"
+checksum = "29d6d2ff5bb10fb95c85b8ce46538a2e5f5e7fdc755623a7d4529ab8a4ed9d2a"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -778,18 +694,16 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "522de2a0fe3e380f1bc577ba0474108faf3f6b18321dbf60b3b9c39a75073377"
+checksum = "b1f9d34af5a1aac6fb380f735fe510746c38067c5bf16c7fd250280503c971b2"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18e4a4b95cea4b4ccbcf1c5675ca7c4ee4e9e75eb79944d07defde18068f79bb"
+checksum = "6dbd947adfffb0efc70599b3ddcf7b5597bb5fa9e245eb99f62b3a5f7bb8bd3c"
 dependencies = [
- "autocfg",
- "proc-macro-hack",
  "proc-macro2",
  "quote",
  "syn",
@@ -797,23 +711,22 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36ea153c13024fe480590b3e3d4cad89a0cfacecc24577b68f86c6ced9c2bc11"
+checksum = "e3055baccb68d74ff6480350f8d6eb8fcfa3aa11bdc1a1ae3afdd0514617d508"
 
 [[package]]
 name = "futures-task"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d3d00f4eddb73e498a54394f228cd55853bdf059259e8e7bc6e69d408892e99"
+checksum = "6ee7c6485c30167ce4dfb83ac568a849fe53274c831081476ee13e0dce1aad72"
 
 [[package]]
 name = "futures-util"
-version = "0.3.17"
+version = "0.3.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36568465210a3a6ee45e1f165136d68671471a501e632e9a98d96872222b5481"
+checksum = "d9b5cf40b47a271f77a8b1bec03ca09044d99d2372c0de244e66430761127164"
 dependencies = [
- "autocfg",
  "futures-channel",
  "futures-core",
  "futures-io",
@@ -821,22 +734,11 @@ dependencies = [
  "futures-sink",
  "futures-task",
  "memchr",
- "pin-project-lite 0.2.7",
+ "pin-project-lite",
  "pin-utils",
- "proc-macro-hack",
- "proc-macro-nested",
  "slab",
 ]
 
-[[package]]
-name = "fxhash"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c31b6d751ae2c7f11320402d34e41349dd1016f8d5d45e48c4312bc8625af50c"
-dependencies = [
- "byteorder",
-]
-
 [[package]]
 name = "generic-array"
 version = "0.12.4"
@@ -858,22 +760,22 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.1.16"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
+checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
 name = "h2"
-version = "0.2.7"
+version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5e4728fd124914ad25e99e3d15a9361a879f6620f63cb56bbb08f95abb97a535"
+checksum = "8f072413d126e57991455e0a922b31e4c8ba7c2ffbebf6b78b4f8521397d65cd"
 dependencies = [
- "bytes 0.5.6",
+ "bytes",
  "fnv",
  "futures-core",
  "futures-sink",
@@ -881,10 +783,9 @@ dependencies = [
  "http",
  "indexmap",
  "slab",
- "tokio 0.2.25",
+ "tokio",
  "tokio-util",
  "tracing",
- "tracing-futures",
 ]
 
 [[package]]
@@ -896,7 +797,7 @@ dependencies = [
  "log",
  "pest",
  "pest_derive",
- "quick-error 2.0.1",
+ "quick-error",
  "serde",
  "serde_json",
 ]
@@ -907,15 +808,6 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 
-[[package]]
-name = "heck"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d621efb26863f0e9924c6ac577e8275e5e6b77455db64ffa6c65c904e9e132c"
-dependencies = [
- "unicode-segmentation",
-]
-
 [[package]]
 name = "hermit-abi"
 version = "0.1.19"
@@ -931,24 +823,13 @@ version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
-[[package]]
-name = "hostname"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3c731c3e10504cc8ed35cfe2f1db4c9274c3d35fa486e3b31df46f068ef3e867"
-dependencies = [
- "libc",
- "match_cfg",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "http"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1323096b05d41827dadeaee54c9981958c0f94e670bc94ed80037d1a7b8b186b"
 dependencies = [
- "bytes 1.1.0",
+ "bytes",
  "fnv",
  "itoa 0.4.8",
 ]
@@ -959,6 +840,12 @@ version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "acd94fdbe1d4ff688b67b04eee2e17bd50995534a61539e45adfefb45e5e5503"
 
+[[package]]
+name = "httpdate"
+version = "1.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
+
 [[package]]
 name = "idna"
 version = "0.2.3"
@@ -998,18 +885,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "ipconfig"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7e2f18aece9709094573a9f24f483c4f65caa4298e2f7ae1b71cc65d853fad7"
-dependencies = [
- "socket2",
- "widestring",
- "winapi 0.3.9",
- "winreg",
-]
-
 [[package]]
 name = "itoa"
 version = "0.4.8"
@@ -1022,6 +897,15 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
 
+[[package]]
+name = "jobserver"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af25a77299a7f711a01975c35a6a424eb6862092cc2d6c72c4ed6cbc56dfc1fa"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "js-sys"
 version = "0.3.55"
@@ -1043,9 +927,9 @@ dependencies = [
 
 [[package]]
 name = "language-tags"
-version = "0.2.2"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
+checksum = "d4345964bb142484797b161f473a503a434de77149dd8c7427788c6e13379388"
 
 [[package]]
 name = "lazy_static"
@@ -1060,10 +944,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
 
 [[package]]
-name = "linked-hash-map"
-version = "0.5.4"
+name = "local-channel"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fb9b38af92608140b86b693604b9ffcc5824240a484d1ecd4795bacb2fe88f3"
+checksum = "6246c68cf195087205a0512559c97e15eaf95198bf0e206d662092cdcb03fe9f"
+dependencies = [
+ "futures-core",
+ "futures-sink",
+ "futures-util",
+ "local-waker",
+]
+
+[[package]]
+name = "local-waker"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "902eb695eb0591864543cbfbf6d742510642a605a61fc5e97fe6ceb5a30ac4fb"
 
 [[package]]
 name = "lock_api"
@@ -1083,27 +979,12 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
-[[package]]
-name = "lru-cache"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31e24f1ad8321ca0e8a1e0ac13f23cb668e6f5466c2c57319f6a5cf1cc8e3b1c"
-dependencies = [
- "linked-hash-map",
-]
-
 [[package]]
 name = "maplit"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e2e65a1a2e43cfcb47a895c4c8b10d1f4a61097f9f254f183aee60cad9c651d"
 
-[[package]]
-name = "match_cfg"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffbee8634e0d45d258acb448e7eaab3fce7a0a467395d4d9f228e3c1f01fb2e4"
-
 [[package]]
 name = "matches"
 version = "0.1.9"
@@ -1173,6 +1054,19 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "mio"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba272f85fa0b41fc91872be579b3bbe0f56b792aa361a380eb669469f68dafb2"
+dependencies = [
+ "libc",
+ "log",
+ "miow 0.3.7",
+ "ntapi",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "mio-uds"
 version = "0.6.8"
@@ -1297,6 +1191,12 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "paste"
+version = "1.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0744126afe1a6dd7f394cb50a716dbe086cb06e255e53d8d0185d82828358fb5"
+
 [[package]]
 name = "percent-encoding"
 version = "2.1.0"
@@ -1346,52 +1246,6 @@ dependencies = [
  "sha-1 0.8.2",
 ]
 
-[[package]]
-name = "pin-project"
-version = "0.4.28"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "918192b5c59119d51e0cd221f4d49dde9112824ba717369e903c97d076083d0f"
-dependencies = [
- "pin-project-internal 0.4.28",
-]
-
-[[package]]
-name = "pin-project"
-version = "1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "576bc800220cc65dac09e99e97b08b358cfab6e17078de8dc5fee223bd2d0c08"
-dependencies = [
- "pin-project-internal 1.0.8",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "0.4.28"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3be26700300be6d9d23264c73211d8190e755b6b5ca7a1b28230025511b52a5e"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "pin-project-internal"
-version = "1.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6e8fe8163d14ce7f0cdac2e040116f22eac817edabff0be91e8aff7e9accf389"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "pin-project-lite"
-version = "0.1.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "257b64915a082f7811703966789728173279bdebb956b143dbcd23f6f970a777"
-
 [[package]]
 name = "pin-project-lite"
 version = "0.2.7"
@@ -1416,12 +1270,6 @@ version = "0.5.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
 
-[[package]]
-name = "proc-macro-nested"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
-
 [[package]]
 name = "proc-macro2"
 version = "1.0.34"
@@ -1431,12 +1279,6 @@ dependencies = [
  "unicode-xid",
 ]
 
-[[package]]
-name = "quick-error"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
-
 [[package]]
 name = "quick-error"
 version = "2.0.1"
@@ -1463,11 +1305,10 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.7.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
+checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
 dependencies = [
- "getrandom",
  "libc",
  "rand_chacha",
  "rand_core",
@@ -1476,9 +1317,9 @@ dependencies = [
 
 [[package]]
 name = "rand_chacha"
-version = "0.2.2"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
+checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
  "rand_core",
@@ -1486,18 +1327,18 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.5.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
  "getrandom",
 ]
 
 [[package]]
 name = "rand_hc"
-version = "0.2.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
 dependencies = [
  "rand_core",
 ]
@@ -1528,16 +1369,6 @@ version = "0.6.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f497285884f3fcff424ffc933e56d7cbca511def0c9831a7f9b5f6153e3cc89b"
 
-[[package]]
-name = "resolv-conf"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52e44394d2086d010551b14b53b1f24e31647570cd1deb0379e2c21b329aba00"
-dependencies = [
- "hostname",
- "quick-error 1.2.3",
-]
-
 [[package]]
 name = "ring"
 version = "0.16.20"
@@ -1571,19 +1402,6 @@ dependencies = [
  "semver 1.0.4",
 ]
 
-[[package]]
-name = "rustls"
-version = "0.18.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d1126dcf58e93cee7d098dbda643b5f92ed724f1f6a63007c1116eed6700c81"
-dependencies = [
- "base64 0.12.3",
- "log",
- "ring",
- "sct 0.6.1",
- "webpki 0.21.4",
-]
-
 [[package]]
 name = "rustls"
 version = "0.20.2"
@@ -1592,8 +1410,8 @@ checksum = "d37e5e2290f3e040b594b1a9e04377c2c671f1a1cfd9bfdef82106ac1c113f84"
 dependencies = [
  "log",
  "ring",
- "sct 0.7.0",
- "webpki 0.22.0",
+ "sct",
+ "webpki",
 ]
 
 [[package]]
@@ -1608,16 +1426,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
-[[package]]
-name = "sct"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b362b83898e0e69f38515b82ee15aa80636befe47c3b6d3d89a911e78fc228ce"
-dependencies = [
- "ring",
- "untrusted",
-]
-
 [[package]]
 name = "sct"
 version = "0.7.0"
@@ -1746,11 +1554,10 @@ checksum = "1ecab6c735a6bb4139c0caafd0cc3635748bbb3acf4550e8138122099251f309"
 
 [[package]]
 name = "socket2"
-version = "0.3.19"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "122e570113d28d773067fab24266b66753f6ea915758651696b6e35e49f88d6e"
+checksum = "5dc90fe6c7be1a323296982db1836d1ea9e47b6839496dde9a541bc496df3516"
 dependencies = [
- "cfg-if 1.0.0",
  "libc",
  "winapi 0.3.9",
 ]
@@ -1845,43 +1652,13 @@ dependencies = [
  "unicode-width",
 ]
 
-[[package]]
-name = "thiserror"
-version = "1.0.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "854babe52e4df1653706b98fcfc05843010039b406875930a70e4d9644e5c417"
-dependencies = [
- "thiserror-impl",
-]
-
-[[package]]
-name = "thiserror-impl"
-version = "1.0.30"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa32fd3f627f367fe16f893e2597ae3c05020f8bba2666a4e6ea73d377e5714b"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "threadpool"
-version = "1.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d050e60b33d41c19108b32cea32164033a9013fe3b46cbd4457559bfbf77afaa"
-dependencies = [
- "num_cpus",
-]
-
 [[package]]
 name = "time"
-version = "0.1.44"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
 dependencies = [
  "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
  "winapi 0.3.9",
 ]
 
@@ -1900,6 +1677,16 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "41effe7cfa8af36f439fac33861b66b049edc6f9a32331e2312660529c1c24ad"
+dependencies = [
+ "itoa 0.4.8",
+ "libc",
+]
+
 [[package]]
 name = "time-macros"
 version = "0.1.1"
@@ -1938,40 +1725,20 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
-[[package]]
-name = "tokio"
-version = "0.2.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6703a273949a90131b290be1fe7b039d0fc884aa1935860dfcbe056f28cd8092"
-dependencies = [
- "bytes 0.5.6",
- "futures-core",
- "iovec",
- "lazy_static",
- "libc",
- "memchr",
- "mio 0.6.23",
- "mio-uds",
- "pin-project-lite 0.1.12",
- "signal-hook-registry",
- "slab",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "tokio"
 version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fbbf1c778ec206785635ce8ad57fe52b3009ae9e0c9f574a728f3049d3e55838"
 dependencies = [
- "bytes 1.1.0",
+ "bytes",
  "libc",
  "memchr",
  "mio 0.7.14",
  "num_cpus",
  "once_cell",
  "parking_lot",
- "pin-project-lite 0.2.7",
+ "pin-project-lite",
  "signal-hook-registry",
  "tokio-macros",
  "winapi 0.3.9",
@@ -1990,28 +1757,27 @@ dependencies = [
 
 [[package]]
 name = "tokio-rustls"
-version = "0.14.1"
+version = "0.23.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e12831b255bcfa39dc0436b01e19fea231a37db570686c06ee72c423479f889a"
+checksum = "a27d5f2b839802bd8267fa19b0530f5a08b9c08cd417976be2a65d130fe1c11b"
 dependencies = [
- "futures-core",
- "rustls 0.18.1",
- "tokio 0.2.25",
- "webpki 0.21.4",
+ "rustls",
+ "tokio",
+ "webpki",
 ]
 
 [[package]]
 name = "tokio-util"
-version = "0.3.1"
+version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be8242891f2b6cbef26a2d7e8605133c2c554cd35b3e4948ea892d6d68436499"
+checksum = "9e99e1983e5d376cd8eb4b66604d2e99e79f5bd988c3055891dcd8c9e2604cc0"
 dependencies = [
- "bytes 0.5.6",
+ "bytes",
  "futures-core",
  "futures-sink",
  "log",
- "pin-project-lite 0.1.12",
- "tokio 0.2.25",
+ "pin-project-lite",
+ "tokio",
 ]
 
 [[package]]
@@ -2021,8 +1787,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "375a639232caf30edfc78e8d89b2d4c375515393e7af7e16f01cd96917fb2105"
 dependencies = [
  "cfg-if 1.0.0",
- "log",
- "pin-project-lite 0.2.7",
+ "pin-project-lite",
  "tracing-core",
 ]
 
@@ -2035,55 +1800,6 @@ dependencies = [
  "lazy_static",
 ]
 
-[[package]]
-name = "tracing-futures"
-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
-dependencies = [
- "pin-project 1.0.8",
- "tracing",
-]
-
-[[package]]
-name = "trust-dns-proto"
-version = "0.19.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1cad71a0c0d68ab9941d2fb6e82f8fb2e86d9945b94e1661dd0aaea2b88215a9"
-dependencies = [
- "async-trait",
- "cfg-if 1.0.0",
- "enum-as-inner",
- "futures",
- "idna",
- "lazy_static",
- "log",
- "rand",
- "smallvec",
- "thiserror",
- "tokio 0.2.25",
- "url",
-]
-
-[[package]]
-name = "trust-dns-resolver"
-version = "0.19.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "710f593b371175db53a26d0b38ed2978fafb9e9e8d3868b1acd753ea18df0ceb"
-dependencies = [
- "cfg-if 0.1.10",
- "futures",
- "ipconfig",
- "lazy_static",
- "log",
- "lru-cache",
- "resolv-conf",
- "smallvec",
- "thiserror",
- "tokio 0.2.25",
- "trust-dns-proto",
-]
-
 [[package]]
 name = "typenum"
 version = "1.14.0"
@@ -2111,12 +1827,6 @@ dependencies = [
  "tinyvec",
 ]
 
-[[package]]
-name = "unicode-segmentation"
-version = "1.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8895849a949e7845e06bd6dc1aa51731a103c42707010a5b591c0038fb73385b"
-
 [[package]]
 name = "unicode-width"
 version = "0.1.9"
@@ -2155,15 +1865,9 @@ checksum = "5fecdca9a5291cc2b8dcf7dc02453fee791a280f3743cb0905f8822ae463b3fe"
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
+version = "0.10.2+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
 [[package]]
 name = "wasm-bindgen"
@@ -2229,16 +1933,6 @@ dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "webpki"
-version = "0.21.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8e38c0608262c46d4a56202ebabdeb094cef7e560ca7a226c6bf055188aa4ea"
-dependencies = [
- "ring",
- "untrusted",
-]
-
 [[package]]
 name = "webpki"
 version = "0.22.0"
@@ -2251,19 +1945,13 @@ dependencies = [
 
 [[package]]
 name = "webpki-roots"
-version = "0.20.0"
+version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f20dea7535251981a9670857150d571846545088359b28e4951d350bdaf179f"
+checksum = "c475786c6f47219345717a043a37ec04cb4bc185e28853adcc4fa0a947eba630"
 dependencies = [
- "webpki 0.21.4",
+ "webpki",
 ]
 
-[[package]]
-name = "widestring"
-version = "0.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c168940144dd21fd8046987c16a46a33d5fc84eec29ef9dcddc2ac9e31526b7c"
-
 [[package]]
 name = "winapi"
 version = "0.2.8"
@@ -2298,15 +1986,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
-[[package]]
-name = "winreg"
-version = "0.6.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2986deb581c4fe11b621998a5e53361efe6b48a151178d0cd9eeffa4dc6acc9"
-dependencies = [
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "ws2_32-sys"
 version = "0.2.1"
@@ -2319,14 +1998,14 @@ dependencies = [
 
 [[package]]
 name = "wxwork_robotd"
-version = "0.9.0"
+version = "0.9.1"
 dependencies = [
- "actix-rt",
  "actix-web",
  "aes",
+ "awc",
  "block-modes",
  "byteorder",
- "bytes 1.1.0",
+ "bytes",
  "chrono",
  "cipher",
  "clap",
@@ -2340,9 +2019,38 @@ dependencies = [
  "quick-xml",
  "regex",
  "ring",
- "rustls 0.20.2",
+ "rustls",
  "serde",
  "serde_derive",
  "serde_json",
- "tokio 1.15.0",
+ "tokio",
+]
+
+[[package]]
+name = "zstd"
+version = "0.9.0+zstd.1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "07749a5dc2cb6b36661290245e350f15ec3bbb304e493db54a1d354480522ccd"
+dependencies = [
+ "zstd-safe",
+]
+
+[[package]]
+name = "zstd-safe"
+version = "4.1.1+zstd.1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c91c90f2c593b003603e5e0493c837088df4469da25aafff8bce42ba48caf079"
+dependencies = [
+ "libc",
+ "zstd-sys",
+]
+
+[[package]]
+name = "zstd-sys"
+version = "1.6.1+zstd.1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "615120c7a2431d16cf1cf979e7fc31ba7a5b5e5707b29c8a99e5dbf8a8392a33"
+dependencies = [
+ "cc",
+ "libc",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 42daeaf..36a4725 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,7 +11,7 @@ license = "MIT OR Apache-2.0"
 name = "wxwork_robotd"
 readme = "README.md"
 repository = "https://github.com/owt5008137/wxwork_robotd"
-version = "0.9.0"
+version = "0.9.1"
 [[bin]]
 name = "wxwork_robotd"
 
@@ -22,7 +22,6 @@ features = ["suggestions", "color"]
 version = "^2.33.0"
 
 [dependencies]
-actix-rt = "^1.1.1" # "^2.5.0" is required by actix-web "^4.0.0"
 byteorder = "^1.3.2"
 bytes = "^1.1.0"
 chrono = ">=0.4.11"
@@ -46,8 +45,12 @@ cipher = ">=0.3.0"
 # https://github.com/RustCrypto
 
 [dependencies.actix-web]
-features = ["compress", "rustls"]
-version = "^3.3.2"
+features = ["rustls"]
+version = "^4.0.0-beta.15"
+
+[dependencies.awc]
+features = ["rustls"]
+version = "^3.0.0-beta.14"
 
 [dependencies.clap]
 default-features = false
diff --git a/src/app.rs b/src/app.rs
index e7d56bf..dc96088 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -17,7 +17,7 @@ pub struct AppConfigure {
     pub task_timeout: u64,
     pub hosts: Option<Vec<String>>,
     pub workers: usize,
-    pub backlog: i32,
+    pub backlog: u32,
     pub keep_alive: usize,
     pub client_timeout: u64,
     pub client_shutdown: u64,
@@ -536,7 +536,7 @@ impl AppEnvironment {
             if let Some(v) = x.as_u64() {
                 if v > 0 {
                     unsafe {
-                        APP_ENV_INFO_STORE.conf.backlog = v as i32;
+                        APP_ENV_INFO_STORE.conf.backlog = v as u32;
                     }
                 }
             }
diff --git a/src/main.rs b/src/main.rs
index ead32e5..202a6d1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -8,8 +8,8 @@ static GLOBAL: System = System;
 // crates
 #[macro_use]
 extern crate clap;
-extern crate actix_rt;
 extern crate actix_web;
+extern crate awc;
 extern crate futures;
 #[macro_use]
 extern crate log;
@@ -46,7 +46,7 @@ pub mod handles;
 pub mod logger;
 pub mod wxwork_robot;
 
-#[actix_rt::main]
+#[actix_web::main]
 async fn main() -> io::Result<()> {
     let mut app_env = app::app();
     if app_env.debug {
@@ -81,13 +81,13 @@ async fn main() -> io::Result<()> {
             // ====== register for index ======
             .service(
                 web::resource(app_env.prefix.to_string())
-                    .data(web::PayloadConfig::default().limit(app_env.conf.payload_size_limit))
+                    .app_data(web::PayloadConfig::default().limit(app_env.conf.payload_size_limit))
                     .to(move |req| handles::default::dispatch_default_index(reg_move_default, req)),
             )
             // ====== register for project ======
             .service(
                 web::resource(format!("{}{{project}}/", app_env.prefix).as_str())
-                    .data(web::PayloadConfig::default().limit(app_env.conf.payload_size_limit))
+                    .app_data(web::PayloadConfig::default().limit(app_env.conf.payload_size_limit))
                     .to(move |req, body| {
                         handles::robot::dispatch_robot_request(reg_move_robot, req, body)
                     }),
diff --git a/src/wxwork_robot/command_runtime.rs b/src/wxwork_robot/command_runtime.rs
index 246bd4d..e624005 100644
--- a/src/wxwork_robot/command_runtime.rs
+++ b/src/wxwork_robot/command_runtime.rs
@@ -11,7 +11,8 @@ use regex::{Regex, RegexBuilder};
 use tokio::process::Command;
 use tokio::time::timeout;
 
-use actix_web::{client, http};
+use actix_web::http;
+use awc;
 
 use handlebars::Handlebars;
 
@@ -182,39 +183,41 @@ async fn run_http(runtime: Arc<WxWorkCommandRuntime>) -> HttpResponse {
             let mut http_request = match http_data.method {
                 command::WxWorkCommandHttpMethod::Auto => {
                     if !post_data.is_empty() {
-                        client::Client::default().post(http_url.as_str())
+                        awc::Client::default().post(http_url.as_str())
                     } else {
-                        client::Client::default().get(http_url.as_str())
+                        awc::Client::default().get(http_url.as_str())
                     }
                 }
                 command::WxWorkCommandHttpMethod::Get => {
-                    client::Client::default().get(http_url.as_str())
+                    awc::Client::default().get(http_url.as_str())
                 }
                 command::WxWorkCommandHttpMethod::Post => {
-                    client::Client::default().post(http_url.as_str())
+                    awc::Client::default().post(http_url.as_str())
                 }
                 command::WxWorkCommandHttpMethod::Delete => {
-                    client::Client::default().delete(http_url.as_str())
+                    awc::Client::default().delete(http_url.as_str())
                 }
                 command::WxWorkCommandHttpMethod::Put => {
-                    client::Client::default().put(http_url.as_str())
+                    awc::Client::default().put(http_url.as_str())
                 }
                 command::WxWorkCommandHttpMethod::Head => {
-                    client::Client::default().head(http_url.as_str())
+                    awc::Client::default().head(http_url.as_str())
                 }
             };
             http_request = http_request
                 .timeout(Duration::from_millis(app::app_conf().task_timeout))
-                .header(
+                .insert_header_if_none((
                     http::header::USER_AGENT,
                     format!("Mozilla/5.0 (WXWork-Robotd {})", crate_version!()),
-                );
+                ));
             if !http_data.content_type.is_empty() {
-                http_request = http_request
-                    .header(http::header::CONTENT_TYPE, http_data.content_type.as_str());
+                http_request = http_request.insert_header_if_none((
+                    http::header::CONTENT_TYPE,
+                    http_data.content_type.as_str(),
+                ));
             }
             for (k, v) in &http_data.headers {
-                http_request = http_request.header(k.as_str(), v.as_str());
+                http_request = http_request.insert_header_if_none((k.as_str(), v.as_str()));
             }
 
             http_req_f = http_request.send_body(post_data);