diff --git a/Cargo.lock b/Cargo.lock
index cafee087..07e929c9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -157,17 +157,132 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3d62b7694a562cdf5a74227903507c56ab2cc8bdd1f781ed5cb4cf9c9f810bfc"
 
+[[package]]
+name = "async-channel"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81953c529336010edd6d8e358f886d9581267795c61b19475b71314bffa46d35"
+dependencies = [
+ "concurrent-queue",
+ "event-listener 2.5.3",
+ "futures-core",
+]
+
+[[package]]
+name = "async-channel"
+version = "2.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89b47800b0be77592da0afd425cc03468052844aff33b84e33cc696f64e77b6a"
+dependencies = [
+ "concurrent-queue",
+ "event-listener-strategy",
+ "futures-core",
+ "pin-project-lite",
+]
+
+[[package]]
+name = "async-executor"
+version = "1.13.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30ca9a001c1e8ba5149f91a74362376cc6bc5b919d92d988668657bd570bdcec"
+dependencies = [
+ "async-task",
+ "concurrent-queue",
+ "fastrand",
+ "futures-lite",
+ "slab",
+]
+
+[[package]]
+name = "async-global-executor"
+version = "2.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05b1b633a2115cd122d73b955eadd9916c18c8f510ec9cd1686404c60ad1c29c"
+dependencies = [
+ "async-channel 2.3.1",
+ "async-executor",
+ "async-io",
+ "async-lock",
+ "blocking",
+ "futures-lite",
+ "once_cell",
+]
+
+[[package]]
+name = "async-io"
+version = "2.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43a2b323ccce0a1d90b449fd71f2a06ca7faa7c54c2751f06c9bd851fc061059"
+dependencies = [
+ "async-lock",
+ "cfg-if",
+ "concurrent-queue",
+ "futures-io",
+ "futures-lite",
+ "parking",
+ "polling",
+ "rustix",
+ "slab",
+ "tracing",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "async-lock"
 version = "3.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff6e472cdea888a4bd64f342f09b3f50e1886d32afe8df3d663c01140b811b18"
 dependencies = [
- "event-listener",
+ "event-listener 5.3.1",
  "event-listener-strategy",
  "pin-project-lite",
 ]
 
+[[package]]
+name = "async-std"
+version = "1.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c634475f29802fde2b8f0b505b1bd00dfe4df7d4a000f0b36f7671197d5c3615"
+dependencies = [
+ "async-channel 1.9.0",
+ "async-global-executor",
+ "async-io",
+ "async-lock",
+ "crossbeam-utils",
+ "futures-channel",
+ "futures-core",
+ "futures-io",
+ "futures-lite",
+ "gloo-timers",
+ "kv-log-macro",
+ "log",
+ "memchr",
+ "once_cell",
+ "pin-project-lite",
+ "pin-utils",
+ "slab",
+ "wasm-bindgen-futures",
+]
+
+[[package]]
+name = "async-task"
+version = "4.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b75356056920673b02621b35afd0f7dda9306d03c79a30f5c56c44cf256e3de"
+
+[[package]]
+name = "async-tls"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2ae3c9eba89d472a0e4fe1dea433df78fbbe63d2b764addaf2ba3a6bde89a5e"
+dependencies = [
+ "futures-core",
+ "futures-io",
+ "rustls 0.21.12",
+ "rustls-pemfile 1.0.4",
+ "webpki-roots 0.22.6",
+]
+
 [[package]]
 name = "async-trait"
 version = "0.1.83"
@@ -179,6 +294,12 @@ dependencies = [
  "syn 2.0.91",
 ]
 
+[[package]]
+name = "atomic-waker"
+version = "1.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1505bd5d3d116872e7271a6d4e16d81d0c8570876c8de68093a09ac269d8aac0"
+
 [[package]]
 name = "autocfg"
 version = "1.4.0"
@@ -326,6 +447,19 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "blocking"
+version = "1.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "703f41c54fc768e63e091340b424302bb1c29ef4aa0c7f10fe849dfb114d29ea"
+dependencies = [
+ "async-channel 2.3.1",
+ "async-task",
+ "futures-io",
+ "futures-lite",
+ "piper",
+]
+
 [[package]]
 name = "bstr"
 version = "1.11.1"
@@ -1061,6 +1195,12 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "event-listener"
+version = "2.5.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
+
 [[package]]
 name = "event-listener"
 version = "5.3.1"
@@ -1078,7 +1218,7 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3c3e4e0dd3673c1139bf041f3008816d9cf2946bbfac2945c09e523b8d7b05b2"
 dependencies = [
- "event-listener",
+ "event-listener 5.3.1",
  "pin-project-lite",
 ]
 
@@ -1120,12 +1260,6 @@ dependencies = [
  "simplelog",
 ]
 
-[[package]]
-name = "flagset"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b3ea1ec5f8307826a5b71094dd91fc04d4ae75d5709b20ad351c7fb4815c86ec"
-
 [[package]]
 name = "flate2"
 version = "1.0.35"
@@ -1214,6 +1348,19 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9e5c1b78ca4aae1ac06c48a526a655760685149f0d465d21f37abfe57ce075c6"
 
+[[package]]
+name = "futures-lite"
+version = "2.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cef40d21ae2c515b51041df9ed313ed21e572df340ea58a922a0aefe7e8891a1"
+dependencies = [
+ "fastrand",
+ "futures-core",
+ "futures-io",
+ "parking",
+ "pin-project-lite",
+]
+
 [[package]]
 name = "futures-macro"
 version = "0.3.31"
@@ -1381,6 +1528,12 @@ version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231dfb89cfffdbc30e7fc41579ed6066ad03abda9e567ccafae602b97ec5024"
 
+[[package]]
+name = "hermit-abi"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fbf6a919d6cf397374f7dfeeea91d974c7c0a7221d0d0f4f20d859d329e53fcc"
+
 [[package]]
 name = "hex"
 version = "0.4.3"
@@ -1483,13 +1636,13 @@ dependencies = [
  "http",
  "hyper",
  "hyper-util",
- "rustls",
+ "rustls 0.23.20",
  "rustls-native-certs",
  "rustls-pki-types",
  "tokio",
  "tokio-rustls",
  "tower-service",
- "webpki-roots",
+ "webpki-roots 0.26.7",
 ]
 
 [[package]]
@@ -1831,6 +1984,38 @@ dependencies = [
  "simplelog",
 ]
 
+[[package]]
+name = "kv-log-macro"
+version = "1.0.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0de8b303297635ad57c9f5059fd9cee7a47f8e8daa09df0fcd07dd39fb22977f"
+dependencies = [
+ "log",
+]
+
+[[package]]
+name = "lazy-regex"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d8e41c97e6bc7ecb552016274b99fbb5d035e8de288c582d9b933af6677bfda"
+dependencies = [
+ "lazy-regex-proc_macros",
+ "once_cell",
+ "regex",
+]
+
+[[package]]
+name = "lazy-regex-proc_macros"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76e1d8b05d672c53cb9c7b920bbba8783845ae4f0b076e02a3db1d02c81b4163"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn 2.0.91",
+]
+
 [[package]]
 name = "lazy_static"
 version = "1.5.0"
@@ -1896,6 +2081,9 @@ name = "log"
 version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a7a70ba024b9dc04c27ea2f0c0548feb474ec5c54bba33a7f72f873a39d07b24"
+dependencies = [
+ "value-bag",
+]
 
 [[package]]
 name = "ls"
@@ -1994,7 +2182,7 @@ dependencies = [
  "crossbeam-channel",
  "crossbeam-epoch",
  "crossbeam-utils",
- "event-listener",
+ "event-listener 5.3.1",
  "futures-util",
  "once_cell",
  "parking_lot",
@@ -2111,7 +2299,7 @@ version = "1.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4161fcb6d602d4d2081af7c3a45852d875a03dd337a6bfdd6e06407b61342a43"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.3.9",
  "libc",
 ]
 
@@ -2147,11 +2335,12 @@ checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
 
 [[package]]
 name = "opendal"
-version = "0.50.2"
+version = "0.51.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb28bb6c64e116ceaf8dd4e87099d3cfea4a58e85e62b104fef74c91afba0f44"
+checksum = "6c8cd8697b917793c15a7b4a8afcba44e35e2abbc55c363064851776f7c81136"
 dependencies = [
  "anyhow",
+ "async-tls",
  "async-trait",
  "backon",
  "base64 0.22.1",
@@ -2159,7 +2348,6 @@ dependencies = [
  "bytes",
  "chrono",
  "crc32c",
- "flagset",
  "futures",
  "getrandom",
  "governor",
@@ -2177,6 +2365,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sha2",
+ "suppaftp",
  "tokio",
  "uuid",
 ]
@@ -2473,6 +2662,17 @@ version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
+[[package]]
+name = "piper"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "96c8c490f422ef9a4efd2cb5b42b76c8613d7e7dfc1caf667b8a3350a5acc066"
+dependencies = [
+ "atomic-waker",
+ "fastrand",
+ "futures-io",
+]
+
 [[package]]
 name = "pkcs1"
 version = "0.7.5"
@@ -2517,6 +2717,21 @@ version = "0.3.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "953ec861398dccce10c670dfeaf3ec4911ca479e9c02154b3a215178c5f566f2"
 
+[[package]]
+name = "polling"
+version = "3.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a604568c3202727d1507653cb121dbd627a58684eb09a820fd746bee38b4442f"
+dependencies = [
+ "cfg-if",
+ "concurrent-queue",
+ "hermit-abi 0.4.0",
+ "pin-project-lite",
+ "rustix",
+ "tracing",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "poly1305"
 version = "0.8.0"
@@ -2714,7 +2929,7 @@ dependencies = [
  "quinn-proto",
  "quinn-udp",
  "rustc-hash",
- "rustls",
+ "rustls 0.23.20",
  "socket2",
  "thiserror 2.0.9",
  "tokio",
@@ -2732,7 +2947,7 @@ dependencies = [
  "rand",
  "ring",
  "rustc-hash",
- "rustls",
+ "rustls 0.23.20",
  "rustls-pki-types",
  "slab",
  "thiserror 2.0.9",
@@ -2934,9 +3149,9 @@ dependencies = [
  "percent-encoding",
  "pin-project-lite",
  "quinn",
- "rustls",
+ "rustls 0.23.20",
  "rustls-native-certs",
- "rustls-pemfile",
+ "rustls-pemfile 2.2.0",
  "rustls-pki-types",
  "serde",
  "serde_json",
@@ -2951,7 +3166,7 @@ dependencies = [
  "wasm-bindgen-futures",
  "wasm-streams",
  "web-sys",
- "webpki-roots",
+ "webpki-roots 0.26.7",
  "windows-registry",
 ]
 
@@ -3238,16 +3453,29 @@ dependencies = [
  "windows-sys 0.59.0",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.21.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3f56a14d1f48b391359b22f731fd4bd7e43c97f3c50eee276f3aa09c94784d3e"
+dependencies = [
+ "log",
+ "ring",
+ "rustls-webpki 0.101.7",
+ "sct",
+]
+
 [[package]]
 name = "rustls"
 version = "0.23.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5065c3f250cbd332cd894be57c40fa52387247659b14a2d6041d121547903b1b"
 dependencies = [
+ "log",
  "once_cell",
  "ring",
  "rustls-pki-types",
- "rustls-webpki",
+ "rustls-webpki 0.102.8",
  "subtle",
  "zeroize",
 ]
@@ -3264,6 +3492,15 @@ dependencies = [
  "security-framework",
 ]
 
+[[package]]
+name = "rustls-pemfile"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c74cae0a4cf6ccbbf5f359f08efdf8ee7e1dc532573bf0db71968cb56b1448c"
+dependencies = [
+ "base64 0.21.7",
+]
+
 [[package]]
 name = "rustls-pemfile"
 version = "2.2.0"
@@ -3282,6 +3519,16 @@ dependencies = [
  "web-time",
 ]
 
+[[package]]
+name = "rustls-webpki"
+version = "0.101.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b6275d1ee7a1cd780b64aca7726599a1dbc893b1e64144529e55c3c2f745765"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
 [[package]]
 name = "rustls-webpki"
 version = "0.102.8"
@@ -3359,6 +3606,16 @@ dependencies = [
  "sha2",
 ]
 
+[[package]]
+name = "sct"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "da046153aa2352493d6cb7da4b6e5c0c057d8a1d0a9aa8560baffdd945acd414"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
 [[package]]
 name = "security-framework"
 version = "3.1.0"
@@ -3693,6 +3950,24 @@ version = "2.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "13c2bddecc57b384dee18652358fb23172facb8a2c51ccc10d74c157bdea3292"
 
+[[package]]
+name = "suppaftp"
+version = "6.0.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a593e8bdcd2aff8369ccddf7fd42ae7ccaa0f8b6b343c16ed763c99c20926a29"
+dependencies = [
+ "async-std",
+ "async-tls",
+ "async-trait",
+ "chrono",
+ "futures-lite",
+ "lazy-regex",
+ "log",
+ "pin-project",
+ "rustls 0.23.20",
+ "thiserror 2.0.9",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.109"
@@ -3957,7 +4232,7 @@ version = "0.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5f6d0975eaace0cf0fcadee4e4aaa5da15b5c079146f2cffb67c113be122bf37"
 dependencies = [
- "rustls",
+ "rustls 0.23.20",
  "tokio",
 ]
 
@@ -4154,6 +4429,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "value-bag"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ef4c4aa54d5d05a279399bfa921ec387b7aba77caf7a682ae8d86785b8fdad2"
+
 [[package]]
 name = "vec-strings"
 version = "0.4.8"
@@ -4295,6 +4576,25 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "webpki"
+version = "0.22.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ed63aea5ce73d0ff405984102c42de94fc55a6b75765d621c65262469b3c9b53"
+dependencies = [
+ "ring",
+ "untrusted",
+]
+
+[[package]]
+name = "webpki-roots"
+version = "0.22.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6c71e40d7d2c34a5106301fb632274ca37242cd0c9d3e64dbece371a40a2d87"
+dependencies = [
+ "webpki",
+]
+
 [[package]]
 name = "webpki-roots"
 version = "0.26.7"
diff --git a/crates/backend/Cargo.toml b/crates/backend/Cargo.toml
index 47646144..4cc45068 100644
--- a/crates/backend/Cargo.toml
+++ b/crates/backend/Cargo.toml
@@ -93,11 +93,11 @@ typed-path = { version = "0.10.0", optional = true }
 
 [target.'cfg(not(windows))'.dependencies]
 # opendal backend - sftp is not supported on windows, see https://github.com/apache/incubator-opendal/issues/2963
-opendal = { version = "0.50.2", features = ["services-b2", "services-sftp", "services-swift", "services-azblob", "services-azdls", "services-cos", "services-fs", "services-dropbox", "services-gdrive", "services-gcs", "services-ghac", "services-http", "services-ipmfs", "services-memory", "services-obs", "services-onedrive", "services-oss", "services-s3", "services-webdav", "services-webhdfs", "services-azfile", "layers-blocking", "layers-throttle", "services-yandex-disk"], optional = true }
+opendal = { version = "0.51.0", features = ["services-b2", "services-sftp", "services-swift", "services-azblob", "services-azdls", "services-cos", "services-fs", "services-ftp", "services-dropbox", "services-gdrive", "services-gcs", "services-ghac", "services-http", "services-ipmfs", "services-memory", "services-obs", "services-onedrive", "services-oss", "services-s3", "services-webdav", "services-webhdfs", "services-azfile", "layers-blocking", "layers-throttle", "services-yandex-disk"], optional = true }
 
 [target.'cfg(windows)'.dependencies]
 # opendal backend
-opendal = { version = "0.50.2", features = ["services-b2", "services-swift", "services-azblob", "services-azdls", "services-cos", "services-fs", "services-dropbox", "services-gdrive", "services-gcs", "services-ghac", "services-http", "services-ipmfs", "services-memory", "services-obs", "services-onedrive", "services-oss", "services-s3", "services-webdav", "services-webhdfs", "services-azfile", "layers-blocking", "layers-throttle", "services-yandex-disk"], optional = true }
+opendal = { version = "0.51.0", features = ["services-b2", "services-swift", "services-azblob", "services-azdls", "services-cos", "services-fs", "services-ftp", "services-dropbox", "services-gdrive", "services-gcs", "services-ghac", "services-http", "services-ipmfs", "services-memory", "services-obs", "services-onedrive", "services-oss", "services-s3", "services-webdav", "services-webhdfs", "services-azfile", "layers-blocking", "layers-throttle", "services-yandex-disk"], optional = true }
 
 [dev-dependencies]
 anyhow = { workspace = true }
diff --git a/crates/backend/src/opendal.rs b/crates/backend/src/opendal.rs
index 049e16b0..3fa6611f 100644
--- a/crates/backend/src/opendal.rs
+++ b/crates/backend/src/opendal.rs
@@ -6,7 +6,7 @@ use bytesize::ByteSize;
 use log::{error, trace};
 use opendal::{
     layers::{BlockingLayer, ConcurrentLimitLayer, LoggingLayer, RetryLayer, ThrottleLayer},
-    BlockingOperator, Metakey, Operator, Scheme,
+    BlockingOperator, Operator, Scheme,
 };
 use rayon::prelude::{IntoParallelIterator, ParallelIterator};
 use tokio::runtime::Runtime;
@@ -297,7 +297,6 @@ impl ReadBackend for OpenDALBackend {
             .operator
             .list_with(&path)
             .recursive(true)
-            .metakey(Metakey::ContentLength)
             .call()
             .map_err(|err|
                 RusticError::with_source(