diff --git a/kernel/aster-nix/Cargo.toml b/kernel/aster-nix/Cargo.toml
index 679a3935..d149a305 100644
--- a/kernel/aster-nix/Cargo.toml
+++ b/kernel/aster-nix/Cargo.toml
@@ -54,7 +54,7 @@ ringbuf = { version = "0.3.2", default-features = false, features = ["alloc"] }
 keyable-arc = { path = "../libs/keyable-arc" }
 # unzip initramfs
 libflate = { version ="2", default-features = false }
-core2 = { version = "0.4", default_features = false, features = ["alloc"] }
+core2 = { version = "0.4", default-features = false, features = ["alloc"] }
 lending-iterator = "0.1.7"
 spin = "0.9.4"
 vte = "0.10"
diff --git a/kernel/comps/network/Cargo.toml b/kernel/comps/network/Cargo.toml
index 9825080c..4895cf87 100644
--- a/kernel/comps/network/Cargo.toml
+++ b/kernel/comps/network/Cargo.toml
@@ -19,4 +19,4 @@ log = "0.4"
 pod = { git = "https://github.com/asterinas/pod", rev = "d7dba56" }
 ringbuf = { version = "0.3.2", default-features = false, features = ["alloc"] }
 smoltcp = { version = "0.9.1", default-features = false, features = ["alloc", "log", "medium-ethernet", "medium-ip", "proto-dhcpv4", "proto-ipv4", "proto-igmp", "socket-icmp", "socket-udp", "socket-tcp", "socket-raw", "socket-dhcpv4"] }
-spin = "0.9.4"
\ No newline at end of file
+spin = "0.9.4"
diff --git a/kernel/libs/aster-util/Cargo.toml b/kernel/libs/aster-util/Cargo.toml
index 19ad22ce..51f42930 100644
--- a/kernel/libs/aster-util/Cargo.toml
+++ b/kernel/libs/aster-util/Cargo.toml
@@ -13,4 +13,5 @@ aster-rights-proc = { path = "../aster-rights-proc" }
 aster-rights = { path = "../aster-rights" }
 inherit-methods-macro = { git = "https://github.com/asterinas/inherit-methods-macro", rev = "98f7e3e" }
 ktest = { path = "../../../framework/libs/ktest" }
+
 [features]
diff --git a/kernel/libs/cpio-decoder/Cargo.toml b/kernel/libs/cpio-decoder/Cargo.toml
index 3b47f1b9..f633ade3 100644
--- a/kernel/libs/cpio-decoder/Cargo.toml
+++ b/kernel/libs/cpio-decoder/Cargo.toml
@@ -7,5 +7,5 @@ edition = "2021"
 
 [dependencies]
 int-to-c-enum = { path = "../../libs/int-to-c-enum" }
-core2 = { version = "0.4", default_features = false, features = ["alloc"] }
+core2 = { version = "0.4", default-features = false, features = ["alloc"] }
 lending-iterator = "0.1.7"
\ No newline at end of file