diff --git a/Cargo.lock b/Cargo.lock
index e4b58b81..cc2f9f5d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,13 +2,19 @@
 # It is not intended for manual editing.
 [[package]]
 name = "addr2line"
-version = "0.12.2"
+version = "0.13.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "602d785912f476e480434627e8732e6766b760c045bbf897d9dfaa9f4fbd399c"
+checksum = "1b6a2d3371669ab3ca9797670853d61402b03d0b4b9ebf33d677dfa720203072"
 dependencies = [
  "gimli",
 ]
 
+[[package]]
+name = "adler"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee2a4ec343196209d6594e19543ae87a39f96d5534d7174822a3ad825dd6ed7e"
+
 [[package]]
 name = "adler32"
 version = "1.1.0"
@@ -45,9 +51,9 @@ version = "0.1.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a265e3abeffdce30b2e26b7a11b222fe37c6067404001b434101457d0385eb92"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -75,9 +81,9 @@ checksum = "f8aac770f1885fd7e387acedd76065302551364496e46b3dd00860b2f8359b9d"
 
 [[package]]
 name = "backtrace"
-version = "0.3.49"
+version = "0.3.50"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05100821de9e028f12ae3d189176b41ee198341eb8f369956407fea2f5cc666c"
+checksum = "46254cf2fdcdf1badb5934448c1bcbe046a56537b3987d96c51a7afc5d03f293"
 dependencies = [
  "addr2line",
  "cfg-if",
@@ -105,7 +111,7 @@ dependencies = [
  "clang-sys",
  "lazy_static",
  "peeking_take_while",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
  "regex",
  "rustc-hash",
@@ -147,18 +153,15 @@ checksum = "08c48aae112d48ed9f069b33538ea9e3e90aa263cfa3d1c24309612b1f7472de"
 
 [[package]]
 name = "bytes"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "118cf036fbb97d0816e3c34b2d7a1e8cfc60f68fcf63d550ddbe9bd5f59c213b"
-dependencies = [
- "loom",
-]
+checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
 [[package]]
 name = "cc"
-version = "1.0.57"
+version = "1.0.58"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fde55d2a2bfaa4c9668bbc63f531fbdeee3ffe188f4662511ce2c22b3eedebe"
+checksum = "f9a06fb2e53271d7c279ec1efea6ab691c35a2ae67ec0d91d7acec0caf13b518"
 
 [[package]]
 name = "cexpr"
@@ -250,9 +253,9 @@ version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "71f31892cd5c62e414316f2963c5689242c43d8e7bbcaaeca97e5e28c95d91d9"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -303,9 +306,9 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa4da3c766cd7a0db8242e326e9e4e081edd567072893ed320008189715366a4"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
  "synstructure",
 ]
 
@@ -420,9 +423,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0b5a30a4328ab5473878237c447333c093297bded83a4983d10f4deea240d39"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -467,19 +470,6 @@ dependencies = [
  "slab",
 ]
 
-[[package]]
-name = "generator"
-version = "0.6.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "add72f17bb81521258fcc8a7a3245b1e184e916bfbe34f0ea89558f440df5c68"
-dependencies = [
- "cc",
- "libc",
- "log",
- "rustc_version",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.1.14"
@@ -493,9 +483,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.21.0"
+version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bcc8e0c9bce37868955864dbecd2b1ab2bdf967e6f28066d65aaac620444b65c"
+checksum = "aaf91faf136cb47367fa430cd46e37a788775e7fa104f8b4bcb3861dc389b724"
 
 [[package]]
 name = "glob"
@@ -505,23 +495,24 @@ checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"
 
 [[package]]
 name = "grpcio"
-version = "0.5.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a60cc544face71ebbc053d821fdf880b809340b67d19f5d07d6b829e9e36e63"
+checksum = "63fac32f9f74fa1fd78215d04b47f134c1ee5a535c237a54d52bf18cf65ac983"
 dependencies = [
  "bytes",
- "futures 0.1.29",
+ "futures 0.3.5",
  "grpcio-sys",
  "libc",
  "log",
+ "parking_lot",
  "prost",
 ]
 
 [[package]]
 name = "grpcio-compiler"
-version = "0.5.0"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e89d54316f4fdc3181139f2725944de33e9a2fde1bf9128e9e4b88543ad6955e"
+checksum = "ad76ae5de2e2d85fe8f45e072f7909e22fa9ffaf0d53b280825783720dab051c"
 dependencies = [
  "derive-new",
  "prost",
@@ -532,9 +523,9 @@ dependencies = [
 
 [[package]]
 name = "grpcio-sys"
-version = "0.5.3"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ae317d29eb55297b760ca3641662f140e17b9dc36e3f23a3e7e7327e3c33c7e"
+checksum = "12d4e9309f1151c9ebcd07622858c4a504b6ea6cd2821524fe74ccde8ea830d7"
 dependencies = [
  "bindgen",
  "cc",
@@ -547,9 +538,9 @@ dependencies = [
 
 [[package]]
 name = "h2"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "79b7246d7e4b979c03fa093da39cfb3617a96bbeee6310af63991668d7e843ff"
+checksum = "993f9e0baeed60001cf565546b0d3dbe6a6ad23f2bd31644a133c641eccf6d53"
 dependencies = [
  "bytes",
  "fnv",
@@ -558,10 +549,19 @@ dependencies = [
  "futures-util",
  "http",
  "indexmap",
- "log",
  "slab",
  "tokio",
  "tokio-util",
+ "tracing",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34f595585f103464d8d2f6e9864682d74c1601fed5e07d62b1c9058dba8246fb"
+dependencies = [
+ "autocfg 1.0.0",
 ]
 
 [[package]]
@@ -575,9 +575,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9586eedd4ce6b3c498bc3b4dd92fc9f11166aa908a914071953768066c67909"
+checksum = "3deed196b6e7f9e44a2ae8d94225d80302d81208b1bb673fd21fe634645c85a9"
 dependencies = [
  "libc",
 ]
@@ -617,9 +617,9 @@ checksum = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
 
 [[package]]
 name = "hyper"
-version = "0.13.6"
+version = "0.13.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6e7655b9594024ad0ee439f3b5a7299369dc2a3f459b47c696f9ff676f9aa1f"
+checksum = "3e68a8dd9716185d9e64ea473ea6ef63529252e3e27623295a0378a19665d5eb"
 dependencies = [
  "bytes",
  "futures-channel",
@@ -630,20 +630,20 @@ dependencies = [
  "http-body",
  "httparse",
  "itoa",
- "log",
  "pin-project",
  "socket2",
  "time",
  "tokio",
  "tower-service",
+ "tracing",
  "want",
 ]
 
 [[package]]
 name = "hyper-tls"
-version = "0.4.1"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3adcd308402b9553630734e9c36b77a7e48b3821251ca2493e8cd596763aafaa"
+checksum = "d979acc56dcb5b8dddba3917601745e877576475aa046df3226eabdecef78eed"
 dependencies = [
  "bytes",
  "hyper",
@@ -665,11 +665,12 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c398b2b113b55809ceb9ee3e753fcbac793f1956663f3c36549c1346015c2afe"
+checksum = "5b88cd59ee5f71fea89a62248fc8f387d44400cefe05ef548466d61ced9029a7"
 dependencies = [
  "autocfg 1.0.0",
+ "hashbrown",
 ]
 
 [[package]]
@@ -698,9 +699,9 @@ checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
 [[package]]
 name = "js-sys"
-version = "0.3.41"
+version = "0.3.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4b9172132a62451e56142bff9afc91c8e4a4500aa5b847da36815b63bfda916"
+checksum = "52732a3d3ad72c58ad2dc70624f9c17b46ecd0943b9a4f1ee37c4c18c5d983e2"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -718,9 +719,9 @@ dependencies = [
 [[package]]
 name = "kvproto"
 version = "0.0.2"
-source = "git+https://github.com/pingcap/kvproto.git#4ef28cac01f881fa7062e163ac47b5a3742daf83"
+source = "git+https://github.com/pingcap/kvproto.git?rev=1e28226154c374788f38d3a542fc505cd74720f3#1e28226154c374788f38d3a542fc505cd74720f3"
 dependencies = [
- "futures 0.1.29",
+ "futures 0.3.5",
  "grpcio",
  "lazy_static",
  "prost",
@@ -738,9 +739,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.71"
+version = "0.2.73"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9457b06509d27052635f90d6466700c65095fdf75409b3fbdd903e988b886f49"
+checksum = "bd7d4bd64732af4bf3a67f367c27df8520ad7e230c5817b8ff485864d80242b9"
 
 [[package]]
 name = "libflate"
@@ -783,23 +784,21 @@ dependencies = [
 ]
 
 [[package]]
-name = "log"
-version = "0.4.8"
+name = "lock_api"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14b6052be84e6b71ab17edffc2eeabf5c2c3ae1fdb464aae35ac50c67a44e1f7"
+checksum = "c4da24a77a3d8a6d4862d95f72e6fdb9c09a643ecdb402d754004a557f2bec75"
 dependencies = [
- "cfg-if",
+ "scopeguard",
 ]
 
 [[package]]
-name = "loom"
-version = "0.3.4"
+name = "log"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4ecc775857611e1df29abba5c41355cdf540e7e9d4acfdf0f355eefee82330b7"
+checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
 dependencies = [
  "cfg-if",
- "generator",
- "scoped-tls",
 ]
 
 [[package]]
@@ -832,11 +831,11 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.3.7"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "791daaae1ed6889560f8c4359194f56648355540573244a5448a83ba1ecc7435"
+checksum = "be0f75932c1f6cfae3c04000e40114adf955636e19040f9c0a2c380702aa1c7f"
 dependencies = [
- "adler32",
+ "adler",
 ]
 
 [[package]]
@@ -979,6 +978,30 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "parking_lot"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d3a704eb390aafdc107b0e392f56a82b668e3a71366993b5340f5833fd62505e"
+dependencies = [
+ "lock_api",
+ "parking_lot_core",
+]
+
+[[package]]
+name = "parking_lot_core"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d58c7c768d4ba344e3e8d72518ac13e259d7c7ade24167003b8488e10b6740a3"
+dependencies = [
+ "cfg-if",
+ "cloudabi",
+ "libc",
+ "redox_syscall",
+ "smallvec",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "peeking_take_while"
 version = "0.1.2"
@@ -1016,9 +1039,9 @@ version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a0ffd45cf79d88737d7cc85bfd5d2894bee1139b356e616fe85dc389c61aaf7"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -1035,9 +1058,9 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.17"
+version = "0.3.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
+checksum = "d36492546b6af1463394d46f0c834346f31548646f6ba10849802c9c9a27ac33"
 
 [[package]]
 name = "ppv-lite86"
@@ -1068,9 +1091,9 @@ dependencies = [
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.18"
+version = "1.0.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "beae6331a816b1f65d04c45b078fd8e6c93e8071771f41b8163255bbd8d7c8fa"
+checksum = "04f5f085b5d71e2188cb8271e5da0161ad52c3f227a661a3c135fdf28e258b12"
 dependencies = [
  "unicode-xid 0.2.1",
 ]
@@ -1173,9 +1196,9 @@ checksum = "537aa19b95acde10a12fec4301466386f757403de4cd4e5b4fa78fb5ecb18f72"
 dependencies = [
  "anyhow",
  "itertools",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -1196,16 +1219,16 @@ checksum = "8aefcec9f142b524d98fc81d07827743be89dd6586a1ba6ab21fa66a500b3fa5"
 
 [[package]]
 name = "protobuf-build"
-version = "0.11.3"
+version = "0.11.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62e8796ce8d382b0a59f53772a00728799f4d78fc478d4f85e6ca864d67130e0"
+checksum = "4e5b18b4c7a003fb5b05aa3a7b6286495d02bc93af8765623a053fd09edfb164"
 dependencies = [
  "bitflags",
  "grpcio-compiler",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "prost-build",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -1229,7 +1252,7 @@ version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
 ]
 
 [[package]]
@@ -1414,9 +1437,9 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.56"
+version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
+checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "regex"
@@ -1497,15 +1520,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
-[[package]]
-name = "rustc_version"
-version = "0.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
-dependencies = [
- "semver",
-]
-
 [[package]]
 name = "rusty-fork"
 version = "0.2.2"
@@ -1544,10 +1558,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "scoped-tls"
-version = "0.1.2"
+name = "scopeguard"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "332ffa32bf586782a3efaeb58f127980944bbc8c4d6913a86107ac2a5ab24b28"
+checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
 
 [[package]]
 name = "security-framework"
@@ -1572,21 +1586,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "semver"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
-dependencies = [
- "semver-parser",
-]
-
-[[package]]
-name = "semver-parser"
-version = "0.7.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-
 [[package]]
 name = "serde"
 version = "1.0.114"
@@ -1599,9 +1598,9 @@ version = "1.0.114"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2a0be94b04690fbaed37cddffc5c134bf537c8e3329d53e982fe04c374978f8e"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -1639,6 +1638,12 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
+[[package]]
+name = "smallvec"
+version = "1.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3757cb9d89161a2f24e1cf78efa0c1fcff485d18e3f55e0aa3480824ddaa0f3f"
+
 [[package]]
 name = "socket2"
 version = "0.3.12"
@@ -1676,11 +1681,11 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.33"
+version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8d5d96e8cbb005d6959f119f773bfaebb5684296108fb32600c00cde305b2cd"
+checksum = "fb7f4c519df8c117855e19dd8cc851e89eb746fe7a73f0157e0d95fdec5369b0"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
  "unicode-xid 0.2.1",
 ]
@@ -1691,9 +1696,9 @@ version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
  "unicode-xid 0.2.1",
 ]
 
@@ -1745,9 +1750,9 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bd80fc12f73063ac132ac92aceea36734f04a1d93c1240c6944e23a3b8841793"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -1859,9 +1864,9 @@ checksum = "53953d2d3a5ad81d9f844a32f14ebb121f50b650cd59d0ee2a07cf13c617efed"
 
 [[package]]
 name = "tokio"
-version = "0.2.21"
+version = "0.2.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d099fa27b9702bed751524694adbe393e18b36b204da91eb1cbbbbb4a5ee2d58"
+checksum = "5d34ca54d84bf2b5b4d7d31e901a8464f7b60ac145a284fba25ceb801f2ddccd"
 dependencies = [
  "bytes",
  "fnv",
@@ -1882,9 +1887,9 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
 ]
 
 [[package]]
@@ -1917,11 +1922,31 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e987b6bf443f4b5b3b6f38704195592cca41c5bb7aedd3c3693c7081f8289860"
 
+[[package]]
+name = "tracing"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbdf4ccd1652592b01286a5dbe1e2a77d78afaa34beadd9872a5f7396f92aaa9"
+dependencies = [
+ "cfg-if",
+ "log",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "94ae75f0d28ae10786f3b1895c55fe72e79928fd5ccdebb5438c75e93fec178f"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "try-lock"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
+checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 
 [[package]]
 name = "unicase"
@@ -2047,9 +2072,9 @@ checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.64"
+version = "0.2.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a634620115e4a229108b71bde263bb4220c483b3f07f5ba514ee8d15064c4c2"
+checksum = "f3edbcc9536ab7eababcc6d2374a0b7bfe13a2b6d562c5e07f370456b1a8f33d"
 dependencies = [
  "cfg-if",
  "serde",
@@ -2059,24 +2084,24 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.64"
+version = "0.2.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3e53963b583d18a5aa3aaae4b4c1cb535218246131ba22a71f05b518098571df"
+checksum = "89ed2fb8c84bfad20ea66b26a3743f3e7ba8735a69fe7d95118c33ec8fc1244d"
 dependencies = [
  "bumpalo",
  "lazy_static",
  "log",
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.14"
+version = "0.4.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dba48d66049d2a6cc8488702e7259ab7afc9043ad0dc5448444f46f2a453b362"
+checksum = "41ad6e4e8b2b7f8c90b6e09a9b590ea15cb0d1dbe28502b5a405cd95d1981671"
 dependencies = [
  "cfg-if",
  "js-sys",
@@ -2086,9 +2111,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.64"
+version = "0.2.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fcfd5ef6eec85623b4c6e844293d4516470d8f19cd72d0d12246017eb9060b8"
+checksum = "eb071268b031a64d92fc6cf691715ca5a40950694d8f683c5bb43db7c730929e"
 dependencies = [
  "quote 1.0.7",
  "wasm-bindgen-macro-support",
@@ -2096,28 +2121,28 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.64"
+version = "0.2.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9adff9ee0e94b926ca81b57f57f86d5545cdcb1d259e21ec9bdd95b901754c75"
+checksum = "cf592c807080719d1ff2f245a687cbadb3ed28b2077ed7084b47aba8b691f2c6"
 dependencies = [
- "proc-macro2 1.0.18",
+ "proc-macro2 1.0.19",
  "quote 1.0.7",
- "syn 1.0.33",
+ "syn 1.0.35",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.64"
+version = "0.2.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7f7b90ea6c632dd06fd765d44542e234d5e63d9bb917ecd64d79778a13bd79ae"
+checksum = "72b6c0220ded549d63860c78c38f3bcc558d1ca3f4efa74942c536ddbbb55e87"
 
 [[package]]
 name = "web-sys"
-version = "0.3.41"
+version = "0.3.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "863539788676619aac1a23e2df3655e96b32b0e05eb72ca34ba045ad573c625d"
+checksum = "8be2398f326b7ba09815d0b403095f34dd708579220d099caae89be0b32137b2"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
diff --git a/Cargo.toml b/Cargo.toml
index b8be824e..f88cfa36 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,11 +20,11 @@ name = "tikv_client"
 [dependencies]
 derive-new = "0.5"
 failure = "0.1"
-futures = { version = "0.3.1", features = ["compat", "async-await", "thread-pool"] }
-grpcio = { version = "0.5.0", features = [ "secure", "prost-codec" ], default-features = false }
-kvproto = { git = "https://github.com/pingcap/kvproto.git", features = [ "prost-codec" ], default-features = false }
+futures = { version = "0.3.5", features = ["async-await", "thread-pool"] }
+grpcio = { version = "0.6", features = [ "secure", "prost-codec" ], default-features = false }
+kvproto = { git = "https://github.com/pingcap/kvproto.git", rev = "1e28226154c374788f38d3a542fc505cd74720f3", features = [ "prost-codec" ], default-features = false }
 lazy_static = "1"
-log = "0.4"
+log = "0.4" 
 rand = "0.7"
 regex = "1"
 serde = "1.0"
diff --git a/src/mock.rs b/src/mock.rs
index daa7658e..47fd5e97 100644
--- a/src/mock.rs
+++ b/src/mock.rs
@@ -11,10 +11,7 @@ use crate::{
     Config, Error, Key, Result, Timestamp,
 };
 use fail::fail_point;
-use futures::{
-    compat::Compat01As03,
-    future::{ready, BoxFuture, FutureExt},
-};
+use futures::future::{ready, BoxFuture, FutureExt};
 use grpcio::CallOption;
 use kvproto::{errorpb, kvrpcpb, metapb, tikvpb::TikvClient};
 use std::{future::Future, sync::Arc, time::Duration};
@@ -59,7 +56,7 @@ impl KvClient for MockKvClient {
         _fut: grpcio::Result<RpcFuture>,
     ) -> BoxFuture<'static, Result<Resp>>
     where
-        Compat01As03<RpcFuture>: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
+        RpcFuture: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
         Resp: HasError + Sized + Clone + Send + 'static,
         RpcFuture: Send + 'static,
     {
diff --git a/tikv-client-common/Cargo.toml b/tikv-client-common/Cargo.toml
index 958efa3f..25cf326f 100644
--- a/tikv-client-common/Cargo.toml
+++ b/tikv-client-common/Cargo.toml
@@ -6,8 +6,8 @@ edition = "2018"
 
 [dependencies]
 failure = "0.1"
-grpcio = { version = "0.5.0", features = [ "secure", "prost-codec" ], default-features = false }
-futures = { version = "0.3.1", features = ["compat", "async-await", "thread-pool"] }
+grpcio = { version = "0.6", features = [ "secure", "prost-codec" ], default-features = false }
+futures = { version = "0.3.5", features = ["compat", "async-await", "thread-pool"] }
 lazy_static = "1"
 regex = "1"
 serde = "1.0"
@@ -16,7 +16,7 @@ log = "0.4"
 proptest = "0.9"
 proptest-derive = "0.1.0"
 derive-new = "0.5"
-kvproto = { git = "https://github.com/pingcap/kvproto.git", features = [ "prost-codec" ], default-features = false }
+kvproto = { git = "https://github.com/pingcap/kvproto.git", rev = "1e28226154c374788f38d3a542fc505cd74720f3", features = [ "prost-codec" ], default-features = false }
 
 [dependencies.prometheus]
 version = "0.8"
diff --git a/tikv-client-pd/Cargo.toml b/tikv-client-pd/Cargo.toml
index 524ffe4a..b8de8867 100644
--- a/tikv-client-pd/Cargo.toml
+++ b/tikv-client-pd/Cargo.toml
@@ -6,10 +6,10 @@ edition = "2018"
 
 [dependencies]
 derive-new = "0.5"
-kvproto = { git = "https://github.com/pingcap/kvproto.git", features = [ "prost-codec" ], default-features = false }
-futures = { version = "0.3.1", features = ["compat", "async-await", "thread-pool"] }
+kvproto = { git = "https://github.com/pingcap/kvproto.git", rev = "1e28226154c374788f38d3a542fc505cd74720f3", features = [ "prost-codec" ], default-features = false }
+futures = { version = "0.3.5", features = ["compat", "async-await", "thread-pool"] }
 tokio = { version = "0.2", features = ["sync"] }
-grpcio = { version = "0.5.0", features = [ "secure", "prost-codec" ], default-features = false }
+grpcio = { version = "0.6", features = [ "secure", "prost-codec" ], default-features = false }
 log = "0.4"
 
 tikv-client-common = { path = "../tikv-client-common" }
diff --git a/tikv-client-pd/src/cluster.rs b/tikv-client-pd/src/cluster.rs
index 234fc3b7..2f6474f1 100644
--- a/tikv-client-pd/src/cluster.rs
+++ b/tikv-client-pd/src/cluster.rs
@@ -4,7 +4,7 @@
 #![allow(dead_code)]
 
 use crate::timestamp::TimestampOracle;
-use futures::{compat::Compat01As03, prelude::*};
+use futures::prelude::*;
 use grpcio::{CallOption, Environment};
 use kvproto::{metapb, pdpb};
 use std::{
@@ -51,7 +51,6 @@ impl Cluster {
 
         self.client
             .get_region_async_opt(&req, option)
-            .map(Compat01As03::new)
             .unwrap()
             .map(move |r| context.done(r.map_err(|e| e.into())))
             .and_then(move |resp| {
@@ -82,7 +81,6 @@ impl Cluster {
 
         self.client
             .get_region_by_id_async_opt(&req, option)
-            .map(Compat01As03::new)
             .unwrap()
             .map(move |r| context.done(r.map_err(|e| e.into())))
             .and_then(move |resp| {
@@ -111,7 +109,6 @@ impl Cluster {
 
         self.client
             .get_store_async_opt(&req, option)
-            .map(Compat01As03::new)
             .unwrap()
             .map(move |r| context.done(r.map_err(|e| e.into())))
             .and_then(|mut resp| {
@@ -136,7 +133,6 @@ impl Cluster {
 
         self.client
             .get_all_stores_async_opt(&req, option)
-            .map(Compat01As03::new)
             .unwrap()
             .map(move |r| context.done(r.map_err(|e| e.into())))
             .and_then(|mut resp| {
@@ -275,7 +271,6 @@ impl Connection {
         let option = CallOption::default().timeout(timeout);
         let resp = client
             .get_members_async_opt(&pdpb::GetMembersRequest::default(), option)
-            .map(Compat01As03::new)
             .map_err(Error::from)?
             .await?;
         Ok((client, resp))
diff --git a/tikv-client-pd/src/timestamp.rs b/tikv-client-pd/src/timestamp.rs
index bf76126a..e0c157f0 100644
--- a/tikv-client-pd/src/timestamp.rs
+++ b/tikv-client-pd/src/timestamp.rs
@@ -13,7 +13,6 @@
 
 use futures::{
     channel::{mpsc, oneshot},
-    compat::*,
     executor::block_on,
     join, pin_mut,
     prelude::*,
@@ -53,8 +52,8 @@ impl TimestampOracle {
         thread::spawn(move || {
             block_on(run_tso(
                 cluster_id,
-                rpc_sender.sink_compat().sink_err_into(),
-                rpc_receiver.compat().err_into(),
+                rpc_sender.sink_err_into(),
+                rpc_receiver.err_into(),
                 request_rx,
             ))
         });
diff --git a/tikv-client-store/Cargo.toml b/tikv-client-store/Cargo.toml
index 616765a5..d6fbc0d4 100644
--- a/tikv-client-store/Cargo.toml
+++ b/tikv-client-store/Cargo.toml
@@ -5,10 +5,10 @@ edition = "2018"
 
 
 [dependencies]
-futures = { version = "0.3.1", features = ["compat", "async-await", "thread-pool"] }
-kvproto = { git = "https://github.com/pingcap/kvproto.git", features = [ "prost-codec" ], default-features = false }
+futures = { version = "0.3.5", features = ["compat", "async-await", "thread-pool"] }
+kvproto = { git = "https://github.com/pingcap/kvproto.git", rev = "1e28226154c374788f38d3a542fc505cd74720f3", features = [ "prost-codec" ], default-features = false }
 derive-new = "0.5"
-grpcio = { version = "0.5.0", features = [ "secure", "prost-codec" ], default-features = false }
+grpcio = { version = "0.6", features = [ "secure", "prost-codec" ], default-features = false }
 log = "0.4"
 
 tikv-client-common = { path = "../tikv-client-common" }
diff --git a/tikv-client-store/src/lib.rs b/tikv-client-store/src/lib.rs
index 8f36014d..758b8516 100644
--- a/tikv-client-store/src/lib.rs
+++ b/tikv-client-store/src/lib.rs
@@ -7,7 +7,7 @@ mod errors;
 
 pub use self::errors::{HasError, HasRegionError};
 use derive_new::new;
-use futures::{compat::Compat01As03, future::BoxFuture, prelude::*};
+use futures::{future::BoxFuture, prelude::*};
 use grpcio::{CallOption, Environment};
 pub use kvproto::tikvpb::TikvClient;
 use std::{sync::Arc, time::Duration};
@@ -53,7 +53,7 @@ pub trait KvClient {
         fut: ::grpcio::Result<RpcFuture>,
     ) -> BoxFuture<'static, Result<Resp>>
     where
-        Compat01As03<RpcFuture>: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
+        RpcFuture: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
         Resp: HasError + Sized + Clone + Send + 'static,
         RpcFuture: Send + 'static;
 
@@ -74,7 +74,7 @@ impl KvClient for KvRpcClient {
         fut: ::grpcio::Result<RpcFuture>,
     ) -> BoxFuture<'static, Result<Resp>>
     where
-        Compat01As03<RpcFuture>: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
+        RpcFuture: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
         Resp: HasError + Sized + Clone + Send + 'static,
         RpcFuture: Send + 'static,
     {
@@ -114,7 +114,7 @@ impl<Client: KvClient> Store<Client> {
         fut: ::grpcio::Result<RpcFuture>,
     ) -> BoxFuture<'static, Result<Resp>>
     where
-        Compat01As03<RpcFuture>: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
+        RpcFuture: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
         Resp: HasError + Sized + Clone + Send + 'static,
         RpcFuture: Send + 'static,
     {
@@ -127,11 +127,11 @@ async fn map_errors_and_trace<Resp, RpcFuture>(
     fut: ::grpcio::Result<RpcFuture>,
 ) -> Result<Resp>
 where
-    Compat01As03<RpcFuture>: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
+    RpcFuture: Future<Output = std::result::Result<Resp, ::grpcio::Error>>,
     Resp: HasError + Sized + Clone + Send + 'static,
 {
     let res = match fut {
-        Ok(f) => Compat01As03::new(f).await,
+        Ok(f) => f.await,
         Err(e) => Err(e),
     };