diff --git a/Rust/source/Cargo.lock b/Rust/source/Cargo.lock
index 664af2e..3d07392 100644
--- a/Rust/source/Cargo.lock
+++ b/Rust/source/Cargo.lock
@@ -19,6 +19,14 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "idgen"
+version = "1.0.0"
+dependencies = [
+ "chrono",
+ "libc",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.90"
@@ -82,11 +90,3 @@ name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-
-[[package]]
-name = "yitter_idgen"
-version = "1.0.0"
-dependencies = [
- "chrono",
- "libc",
-]
diff --git a/Rust/source/Cargo.toml b/Rust/source/Cargo.toml
index 70d1967..5bd0c1a 100644
--- a/Rust/source/Cargo.toml
+++ b/Rust/source/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "yitter_idgen"
+name = "idgen"
 version = "1.0.0"
 authors = ["yitter <yitter@126.com>"]
 edition = "2018"
@@ -13,10 +13,10 @@ keywords = ["snowflake", "idgenerator"]
 
 [dependencies]
 libc = "*"
-chrono = "0.4.10"
+chrono = "0.4"
 #lazy_static = "1.4.0"
 
 [lib]
-name = "yitter_idgen"
+name = "idgen"
 path = "./src/lib.rs"
 crate-type = ["cdylib"]
diff --git a/Rust/source/src/yitgen/gen/default_id_generator.rs b/Rust/source/src/idgen/default_id_generator.rs
similarity index 87%
rename from Rust/source/src/yitgen/gen/default_id_generator.rs
rename to Rust/source/src/idgen/default_id_generator.rs
index 50fa71b..925cc25 100644
--- a/Rust/source/src/yitgen/gen/default_id_generator.rs
+++ b/Rust/source/src/idgen/default_id_generator.rs
@@ -5,12 +5,10 @@
 use std::{thread, time};
 use std::net::UdpSocket;
 use chrono::Utc;
-use super::super::contract::*;
-use super::super::core::*;
-use super::*;
 use std::sync::Mutex;
 use std::sync::Arc;
 use std::borrow::BorrowMut;
+use crate::idgen::*;
 
 // static mut instance2: Option<Arc<Mutex<SnowWorkerM1>>> = None;
 
diff --git a/Rust/source/src/yitgen/contract/i_snow_worker.rs b/Rust/source/src/idgen/i_snow_worker.rs
similarity index 100%
rename from Rust/source/src/yitgen/contract/i_snow_worker.rs
rename to Rust/source/src/idgen/i_snow_worker.rs
diff --git a/Rust/source/src/yitgen/contract/id_generator_options.rs b/Rust/source/src/idgen/id_generator_options.rs
similarity index 100%
rename from Rust/source/src/yitgen/contract/id_generator_options.rs
rename to Rust/source/src/idgen/id_generator_options.rs
diff --git a/Rust/source/src/idgen/mod.rs b/Rust/source/src/idgen/mod.rs
new file mode 100644
index 0000000..4de1ec3
--- /dev/null
+++ b/Rust/source/src/idgen/mod.rs
@@ -0,0 +1,18 @@
+mod default_id_generator;
+mod yit_id_helper;
+mod snow_worker_m1;
+mod snow_worker_m2;
+mod id_generator_options;
+mod i_snow_worker;
+mod over_cost_action_arg;
+
+use snow_worker_m1::SnowWorkerM1;
+use snow_worker_m2::SnowWorkerM2;
+
+pub use over_cost_action_arg::OverCostActionArg;
+pub use yit_id_helper::YitIdHelper;
+pub use default_id_generator::DefaultIdGenerator;
+pub use id_generator_options::IdGeneratorOptions;
+pub use i_snow_worker::ISnowWorker;
+
+
diff --git a/Rust/source/src/yitgen/contract/over_cost_action_arg.rs b/Rust/source/src/idgen/over_cost_action_arg.rs
similarity index 100%
rename from Rust/source/src/yitgen/contract/over_cost_action_arg.rs
rename to Rust/source/src/idgen/over_cost_action_arg.rs
diff --git a/Rust/source/src/yitgen/core/snow_worker_m1.rs b/Rust/source/src/idgen/snow_worker_m1.rs
similarity index 96%
rename from Rust/source/src/yitgen/core/snow_worker_m1.rs
rename to Rust/source/src/idgen/snow_worker_m1.rs
index 716c778..750eaba 100644
--- a/Rust/source/src/yitgen/core/snow_worker_m1.rs
+++ b/Rust/source/src/idgen/snow_worker_m1.rs
@@ -2,10 +2,10 @@
  * 版权属于：yitter(yitter@126.com)
  * 开源地址：https://gitee.com/yitter/idgenerator
  */
-use super::super::contract::*;
 use std::{thread};
 use chrono::Utc;
 use std::thread::sleep;
+use crate::idgen::*;
 // use lazy_static::lazy_static;
 
 pub struct SnowWorkerM1 {
diff --git a/Rust/source/src/yitgen/core/snow_worker_m2.rs b/Rust/source/src/idgen/snow_worker_m2.rs
similarity index 72%
rename from Rust/source/src/yitgen/core/snow_worker_m2.rs
rename to Rust/source/src/idgen/snow_worker_m2.rs
index a9093c1..e645f35 100644
--- a/Rust/source/src/yitgen/core/snow_worker_m2.rs
+++ b/Rust/source/src/idgen/snow_worker_m2.rs
@@ -2,7 +2,7 @@
  * 版权属于：yitter(yitter@126.com)
  * 开源地址：https://gitee.com/yitter/idgenerator
  */
-use super::super::contract::ISnowWorker;
+use crate::idgen::*;
 
 pub struct SnowWorkerM2 {
 
diff --git a/Rust/source/src/yitgen/gen/yit_id_helper.rs b/Rust/source/src/idgen/yit_id_helper.rs
similarity index 90%
rename from Rust/source/src/yitgen/gen/yit_id_helper.rs
rename to Rust/source/src/idgen/yit_id_helper.rs
index ae1e5e7..18c3327 100644
--- a/Rust/source/src/yitgen/gen/yit_id_helper.rs
+++ b/Rust/source/src/idgen/yit_id_helper.rs
@@ -2,11 +2,9 @@
  * 版权属于：yitter(yitter@126.com)
  * 开源地址：https://gitee.com/yitter/idgenerator
  */
-use super::super::contract::*;
-use super::super::core::*;
-use super::*;
 use std::sync::Mutex;
 use std::sync::Arc;
+use crate::idgen::*;
 
 pub struct YitIdHelper;
 
diff --git a/Rust/source/src/lib.rs b/Rust/source/src/lib.rs
index e26929d..9ca3bf5 100644
--- a/Rust/source/src/lib.rs
+++ b/Rust/source/src/lib.rs
@@ -1,7 +1,4 @@
-mod yitgen;
-
-use yitgen::gen::YitIdHelper;
-use yitgen::contract::*;
+mod idgen;
 
 #[macro_use]
 // extern crate lazy_static;
@@ -12,6 +9,7 @@ extern crate libc;
 use libc::{c_char, uint32_t};
 use std::ffi::{CStr, CString};
 use std::str;
+pub use idgen::*;
 
 // lazy_static! {
 //         static ref TestValue: Vec<i32> = vec!(0);
diff --git a/Rust/source/src/main.rs b/Rust/source/src/main.rs
index 9870a12..70b4e41 100644
--- a/Rust/source/src/main.rs
+++ b/Rust/source/src/main.rs
@@ -1,7 +1,6 @@
-mod yitgen;
+mod idgen;
 
-use yitgen::contract::*;
-use yitgen::gen::*;
+use idgen::*;
 use std::thread;
 use chrono::Utc;
 use std::time::Duration;
diff --git a/Rust/source/src/yitgen/contract/mod.rs b/Rust/source/src/yitgen/contract/mod.rs
deleted file mode 100644
index 769f846..0000000
--- a/Rust/source/src/yitgen/contract/mod.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-/*
- * 版权属于：yitter(yitter@126.com)
- * 开源地址：https://gitee.com/yitter/idgenerator
- */
-mod id_generator_options;
-mod i_snow_worker;
-mod over_cost_action_arg;
-
-pub use id_generator_options::IdGeneratorOptions;
-pub use i_snow_worker::ISnowWorker;
-pub use over_cost_action_arg::OverCostActionArg;
-
-
diff --git a/Rust/source/src/yitgen/core/mod.rs b/Rust/source/src/yitgen/core/mod.rs
deleted file mode 100644
index 0dec16d..0000000
--- a/Rust/source/src/yitgen/core/mod.rs
+++ /dev/null
@@ -1,10 +0,0 @@
-/*
- * 版权属于：yitter(yitter@126.com)
- * 开源地址：https://gitee.com/yitter/idgenerator
- */
-mod snow_worker_m1;
-mod snow_worker_m2;
-
-pub use snow_worker_m1::SnowWorkerM1;
-pub use snow_worker_m2::SnowWorkerM2;
-
diff --git a/Rust/source/src/yitgen/gen/mod.rs b/Rust/source/src/yitgen/gen/mod.rs
deleted file mode 100644
index c0d329c..0000000
--- a/Rust/source/src/yitgen/gen/mod.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * 版权属于：yitter(yitter@126.com)
- * 开源地址：https://gitee.com/yitter/idgenerator
- */
-mod default_id_generator;
-mod yit_id_helper;
-
-pub use yit_id_helper::YitIdHelper;
-pub use default_id_generator::DefaultIdGenerator;
diff --git a/Rust/source/src/yitgen/mod.rs b/Rust/source/src/yitgen/mod.rs
deleted file mode 100644
index b12d01c..0000000
--- a/Rust/source/src/yitgen/mod.rs
+++ /dev/null
@@ -1,3 +0,0 @@
-pub mod contract;
-pub mod core;
-pub mod gen;