diff --git a/crate/thread/Cargo.toml b/crate/thread/Cargo.toml
index 20a00a0..e8aa1c3 100644
--- a/crate/thread/Cargo.toml
+++ b/crate/thread/Cargo.toml
@@ -8,4 +8,4 @@ edition = "2018"
 [dependencies]
 log = "0.4"
 spin = "0.5"
-deque = { git = "https://github.com/wangrunji0408/deque.git", branch = "no_std" }
\ No newline at end of file
+deque = { git = "https://github.com/rcore-os/deque.git", branch = "no_std" }
\ No newline at end of file
diff --git a/kernel/Cargo.lock b/kernel/Cargo.lock
index 33aa5a6..acfcfd6 100644
--- a/kernel/Cargo.lock
+++ b/kernel/Cargo.lock
@@ -109,7 +109,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cc"
-version = "1.0.31"
+version = "1.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -125,7 +125,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "deque"
 version = "0.3.2"
-source = "git+https://github.com/wangrunji0408/deque.git?branch=no_std#907d03935b9badde1902d9c84d138872f34c6763"
+source = "git+https://github.com/rcore-os/deque.git?branch=no_std#907d03935b9badde1902d9c84d138872f34c6763"
 
 [[package]]
 name = "device_tree"
@@ -186,7 +186,7 @@ dependencies = [
 [[package]]
 name = "isomorphic_drivers"
 version = "0.1.0"
-source = "git+https://github.com/rcore-os/isomorphic_drivers#a564ac855887a823dac80529ec4138194583905d"
+source = "git+https://github.com/rcore-os/isomorphic_drivers#836e91fca59e4f4eb86a1f10c246d9c8cb5d1fad"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -286,7 +286,7 @@ version = "6.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -302,7 +302,7 @@ dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "bootloader 0.4.0 (git+https://github.com/rcore-os/bootloader)",
  "buddy_system_allocator 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)",
  "console-traits 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "device_tree 1.0.3 (git+https://github.com/rcore-os/device_tree-rs)",
  "heapless 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -312,8 +312,8 @@ dependencies = [
  "once 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pc-keyboard 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "raw-cpuid 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?branch=sefs)",
- "rcore-fs-sfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?branch=sefs)",
+ "rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs)",
+ "rcore-fs-sfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs)",
  "rcore-memory 0.1.0",
  "rcore-thread 0.1.0",
  "riscv 0.5.0 (git+https://github.com/rcore-os/riscv)",
@@ -328,16 +328,16 @@ dependencies = [
 [[package]]
 name = "rcore-fs"
 version = "0.1.0"
-source = "git+https://github.com/rcore-os/rcore-fs?branch=sefs#166616e5ade1a5c929f705fd1564ef0ea337ba72"
+source = "git+https://github.com/rcore-os/rcore-fs#ff3dd7d157bfdfaa05f8228ebb80456799fe6b4d"
 
 [[package]]
 name = "rcore-fs-sfs"
 version = "0.1.0"
-source = "git+https://github.com/rcore-os/rcore-fs?branch=sefs#166616e5ade1a5c929f705fd1564ef0ea337ba72"
+source = "git+https://github.com/rcore-os/rcore-fs#ff3dd7d157bfdfaa05f8228ebb80456799fe6b4d"
 dependencies = [
  "bitvec 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?branch=sefs)",
+ "rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs)",
  "spin 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_assertions 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -353,7 +353,7 @@ dependencies = [
 name = "rcore-thread"
 version = "0.1.0"
 dependencies = [
- "deque 0.3.2 (git+https://github.com/wangrunji0408/deque.git?branch=no_std)",
+ "deque 0.3.2 (git+https://github.com/rcore-os/deque.git?branch=no_std)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -589,10 +589,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum bootloader 0.4.0 (git+https://github.com/rcore-os/bootloader)" = "<none>"
 "checksum buddy_system_allocator 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2ed828f1e227d6e32b998d6375b67fd63ac5389d50b23f258ce151d22b6cc595"
 "checksum byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a019b10a2a7cdeb292db131fc8113e57ea2a908f6e7894b0c3c671893b65dbeb"
-"checksum cc 1.0.31 (registry+https://github.com/rust-lang/crates.io-index)" = "c9ce8bb087aacff865633f0bd5aeaed910fe2fe55b55f4739527f2e023a2e53d"
+"checksum cc 1.0.32 (registry+https://github.com/rust-lang/crates.io-index)" = "ad0daef304fa0b4238f5f7ed7178774b43b06f6a9b6509f6642bef4ff1f7b9b2"
 "checksum cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "11d43355396e872eefb45ce6342e4374ed7bc2b3a502d1b28e36d6e23c05d1f4"
 "checksum console-traits 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f711b3d1d5c3f7ae7d6428901c0f3e5d5f5c800fcfac86bf0252e96373a2cec6"
-"checksum deque 0.3.2 (git+https://github.com/wangrunji0408/deque.git?branch=no_std)" = "<none>"
+"checksum deque 0.3.2 (git+https://github.com/rcore-os/deque.git?branch=no_std)" = "<none>"
 "checksum device_tree 1.0.3 (git+https://github.com/rcore-os/device_tree-rs)" = "<none>"
 "checksum fixedvec 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7c6c16d316ccdac21a4dd648e314e76facbbaf316e83ca137d0857a9c07419d0"
 "checksum font8x8 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "b81d84c3c978af7d05d31a2198af4b9ba956d819d15d8f6d58fc150e33f8dc1f"
@@ -616,8 +616,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
 "checksum rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0e7a549d590831370895ab7ba4ea0c1b6b011d106b5ff2da6eee112615e6dc0"
 "checksum raw-cpuid 6.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "30a9d219c32c9132f7be513c18be77c9881c7107d2ab5569d205a6a0f0e6dc7d"
-"checksum rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?branch=sefs)" = "<none>"
-"checksum rcore-fs-sfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs?branch=sefs)" = "<none>"
+"checksum rcore-fs 0.1.0 (git+https://github.com/rcore-os/rcore-fs)" = "<none>"
+"checksum rcore-fs-sfs 0.1.0 (git+https://github.com/rcore-os/rcore-fs)" = "<none>"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
 "checksum register 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e10f31b6d2299e5620986ad9fcdd66463e125ad72af4f403f9aedf7592d5ccdb"
 "checksum remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3488ba1b9a2084d38645c4c08276a1752dcbf2c7130d74f1569681ad5d2799c5"
diff --git a/kernel/Cargo.toml b/kernel/Cargo.toml
index aa60642..853fda1 100644
--- a/kernel/Cargo.toml
+++ b/kernel/Cargo.toml
@@ -51,8 +51,8 @@ smoltcp = { version = "0.5.0", default-features = false, features = ["alloc", "l
 bit-allocator = { path = "../crate/bit-allocator" }
 rcore-memory = { path = "../crate/memory" }
 rcore-thread = { path = "../crate/thread" }
-rcore-fs = { git = "https://github.com/rcore-os/rcore-fs", branch = "sefs" }
-rcore-fs-sfs = { git = "https://github.com/rcore-os/rcore-fs", branch = "sefs" }
+rcore-fs = { git = "https://github.com/rcore-os/rcore-fs" }
+rcore-fs-sfs = { git = "https://github.com/rcore-os/rcore-fs" }
 
 [target.'cfg(target_arch = "x86_64")'.dependencies]
 bootloader = { git = "https://github.com/rcore-os/bootloader" }
diff --git a/user b/user
index 96548d0..bf70c66 160000
--- a/user
+++ b/user
@@ -1 +1 @@
-Subproject commit 96548d046474f6ae0ba66da6cd832e1a52d12997
+Subproject commit bf70c66685de6c99e302ed10965e5c05fb8ae0e6