diff --git a/encoding/Cargo.lock b/encoding/Cargo.lock
new file mode 100644
index 0000000..1725837
--- /dev/null
+++ b/encoding/Cargo.lock
@@ -0,0 +1,72 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "encoding"
+version = "0.1.0"
+dependencies = [
+ "encoding 0.2.33",
+]
+
+[[package]]
+name = "encoding"
+version = "0.2.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b0d943856b990d12d3b55b359144ff341533e516d94098b1d3fc1ac666d36ec"
+dependencies = [
+ "encoding-index-japanese",
+ "encoding-index-korean",
+ "encoding-index-simpchinese",
+ "encoding-index-singlebyte",
+ "encoding-index-tradchinese",
+]
+
+[[package]]
+name = "encoding-index-japanese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04e8b2ff42e9a05335dbf8b5c6f7567e5591d0d916ccef4e0b1710d32a0d0c91"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-korean"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dc33fb8e6bcba213fe2f14275f0963fd16f0a02c878e3095ecfdf5bee529d81"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-simpchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d87a7194909b9118fc707194baa434a4e3b0fb6a5a757c73c3adb07aa25031f7"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-singlebyte"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3351d5acffb224af9ca265f435b859c7c01537c0849754d3db3fdf2bfe2ae84a"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding-index-tradchinese"
+version = "1.20141219.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd0e20d5688ce3cab59eb3ef3a2083a5c77bf496cb798dc6fcdb75f323890c18"
+dependencies = [
+ "encoding_index_tests",
+]
+
+[[package]]
+name = "encoding_index_tests"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a246d82be1c9d791c5dfde9a2bd045fc3cbba3fa2b11ad558f27d01712f00569"
diff --git a/encoding/Cargo.toml b/encoding/Cargo.toml
new file mode 100644
index 0000000..18f1cf3
--- /dev/null
+++ b/encoding/Cargo.toml
@@ -0,0 +1,11 @@
+[package]
+name = "encoding"
+version = "0.1.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+encoding = "0.2.33"
+
diff --git a/encoding/src/main.rs b/encoding/src/main.rs
new file mode 100644
index 0000000..9fcaa17
--- /dev/null
+++ b/encoding/src/main.rs
@@ -0,0 +1,17 @@
+use encoding::{
+    all::GBK,
+    Encoding,
+    EncoderTrap,
+    DecoderTrap,
+};
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let h_china = GBK.encode("Hello 中国", EncoderTrap::Strict)?;
+
+    let d_china = GBK.decode(&h_china, DecoderTrap::Strict)?;
+
+    println!("{:?}", h_china);
+    println!("{:?}", d_china);
+
+    Ok(())
+}