diff --git a/example/Cargo.toml b/example/Cargo.toml
index 6fe7cd5..a5aeb07 100644
--- a/example/Cargo.toml
+++ b/example/Cargo.toml
@@ -9,5 +9,4 @@ publish = false
 serde = { version = "1", features = ["derive"] }
 rbson = "2.0"
 tokio = { version = "1.18.2", features = ["full"] }
-mybatis = { version = "1.0.7", path = "../mybatis", features = ["debug_mode"]}
-mybatis-macro = { version = "1.0.3", path = "../mybatis-macro"}
\ No newline at end of file
+mybatis = { path = "../mybatis", features = ["debug_mode"]}
\ No newline at end of file
diff --git a/example/src/lib.rs b/example/src/lib.rs
index f88d974..2616370 100644
--- a/example/src/lib.rs
+++ b/example/src/lib.rs
@@ -1,8 +1,7 @@
 #[macro_use]
-extern crate mybatis_macro;
+extern crate mybatis;
 
-use mybatis::mybatis::Mybatis;
-use serde::{Serialize, Deserialize};
+mod pets;
 
 #[cfg(test)]
 mod test {
@@ -10,21 +9,4 @@ mod test {
     fn test() {
         assert_eq!(4+4, 8);
     }
-}
-
-/// this is table model(see ../database.sql)
-
-#[derive(CRUDTable, Clone, Debug, Serialize, Deserialize)]
-pub struct BizActivity {
-    pub id: Option<String>,
-    pub name: Option<String>,
-    pub pc_link: Option<String>,
-    pub h5_link: Option<String>,
-    pub pc_banner_img: Option<String>,
-    pub h5_banner_img: Option<String>,
-    pub sort: Option<String>,
-    pub status: Option<i32>,
-    pub remark: Option<String>,
-    pub version: Option<i64>,
-    pub delete_flag: Option<i32>,
-}
+}
\ No newline at end of file
diff --git a/example/src/pets.rs b/example/src/pets.rs
index 158c705..61a2fee 100644
--- a/example/src/pets.rs
+++ b/example/src/pets.rs
@@ -1,6 +1,3 @@
-#[macro_use]
-use mybatis;
-
 use mybatis::{mybatis_sql::string_util::to_snake_name};
 use mybatis::mybatis::Mybatis;
 use mybatis::crud::CRUDTable;
@@ -8,6 +5,7 @@ use mybatis::snowflake::SNOWFLAKE;
 use serde::{Serialize, Deserialize};
 
 
+#[crud_table]
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Pets {
     pub id: Option<String>,
@@ -16,22 +14,6 @@ pub struct Pets {
     pub delete_flag: Option<i32>,
 }
 
-impl CRUDTable for Pets {
-
-    fn table_name() -> String {
-        let type_name = std::any::type_name::<Self>();
-        let mut name = type_name.to_string();
-        let names: Vec<&str> = name.split("::").collect();
-        name = names.get(names.len() - 1).unwrap_or(&"").to_string();
-
-        to_snake_name(&name)
-    }
-
-    fn table_columns() -> String {
-        String::from("id,name,birthday,delete_flag")
-    }  
-}
-
 #[cfg(test)]
 mod tests {
     use mybatis::crud::{Skip, CRUD};
diff --git a/mybatis-core/Cargo.toml b/mybatis-core/Cargo.toml
index e079dd0..a29badb 100644
--- a/mybatis-core/Cargo.toml
+++ b/mybatis-core/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mybatis-core"
-version = "1.0.3"
+version = "1.0.8"
 description = "mybatis core by sqlx"
 license = "Apache-2.0"
 edition = "2021"
diff --git a/mybatis-macro/Cargo.toml b/mybatis-macro/Cargo.toml
index 047e7d9..541f846 100644
--- a/mybatis-macro/Cargo.toml
+++ b/mybatis-macro/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mybatis-macro"
-version = "1.0.3"
+version = "1.0.8"
 description = "mybatis macro driver"
 authors = ["James Zow <jameszow@163.com>"]
 edition = "2021"
diff --git a/mybatis-macro/src/macros/crud_table_impl.rs b/mybatis-macro/src/macros/crud_table_impl.rs
index 4119f55..be5a576 100644
--- a/mybatis-macro/src/macros/crud_table_impl.rs
+++ b/mybatis-macro/src/macros/crud_table_impl.rs
@@ -6,7 +6,6 @@ use quote::quote;
 use quote::ToTokens;
 use syn;
 
-
 ///impl CRUDTable
 pub(crate) fn impl_crud_driver(
     ast: &syn::DeriveInput,
@@ -114,7 +113,7 @@ pub(crate) fn impl_crud_driver(
                  #fields
             }
 
-            fn formats(driver_type: &mybatis::core::db::DriverType) -> std::collections::HashMap<String, String> {
+            fn formats(driver_type: mybatis::core::db::DriverType) -> std::collections::HashMap<String, String> {
                   let mut m: std::collections::HashMap<String, String> = std::collections::HashMap::new();
                   match driver_type{
                     mybatis::core::db::DriverType::Mysql=>{
diff --git a/mybatis-sql/Cargo.toml b/mybatis-sql/Cargo.toml
index 358d1c3..0561546 100644
--- a/mybatis-sql/Cargo.toml
+++ b/mybatis-sql/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mybatis-sql"
-version = "1.0.3"
+version = "1.0.8"
 edition = "2021"
 rust-version = "1.59.0"
 authors = ["James Zow <Jameszow@163.com>"]
@@ -14,8 +14,8 @@ debug_mode = []
 
 [dependencies]
 once_cell = "1.9.0"
-mybatis-core = { version = "1.0.3", path = "../mybatis-core" }
-mybatis-macro = { version = "1.0.3", path = "../mybatis-macro" }
+mybatis-core = { version = "1.0.8", path = "../mybatis-core" }
+mybatis-macro = { version = "1.0.8", path = "../mybatis-macro" }
 
 #serde
 serde = { version = "1", features = ["derive"] }
diff --git a/mybatis-tests/Cargo.toml b/mybatis-tests/Cargo.toml
index bd84552..5f880f4 100644
--- a/mybatis-tests/Cargo.toml
+++ b/mybatis-tests/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mybatis-tests"
-version = "1.0.3"
+version = "1.0.8"
 edition = "2021"
 rust-version = "1.59.0"
 authors = ["James Zow <Jameszow@163.com>"]
@@ -9,6 +9,6 @@ description = "mybatis tests"
 publish = false
 
 [dependencies]
-mybatis-core = {version = "1.0.3", path = "../mybatis-core"}
-mybatis-util = {version = "1.0.3", path = "../mybatis-util"}
-mybatis = {version = "1.0.4", path = "../mybatis"}
+mybatis-core = {version = "1.0.8", path = "../mybatis-core"}
+mybatis-util = {version = "1.0.8", path = "../mybatis-util"}
+mybatis = {version = "1.0.8", path = "../mybatis"}
diff --git a/mybatis-util/Cargo.toml b/mybatis-util/Cargo.toml
index 9cfbffc..1cb60e8 100644
--- a/mybatis-util/Cargo.toml
+++ b/mybatis-util/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mybatis-util"
-version = "1.0.3"
+version = "1.0.8"
 edition = "2021"
 rust-version = "1.59.0"
 authors = ["James Zow <Jameszow@163.com>"]
diff --git a/mybatis/Cargo.toml b/mybatis/Cargo.toml
index 3384dd3..3fc26ad 100644
--- a/mybatis/Cargo.toml
+++ b/mybatis/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "mybatis"
-version = "1.0.7"
+version = "1.0.8"
 edition = "2021"
 rust-version = "1.59.0"
 authors = ["James Zow <Jameszow@163.com>"]
@@ -38,10 +38,10 @@ runtime-async-std-native-tls = ["mybatis-core/runtime-async-std-native-tls"]
 format_bson = ["mybatis-core/format_bson"]
 
 [dependencies]
-mybatis-util = { version = "1.0.3", path = "../mybatis-util", default-features = false}
-mybatis-sql = { version = "1.0.3", path = "../mybatis-sql", default-features = false, optional = true}
-mybatis-core = { version = "1.0.3", path = "../mybatis-core", default-features = false, optional = true}
-mybatis-macro = { version = "1.0.3", path = "../mybatis-macro", default-features = false, optional = true}
+mybatis-util = { version = "1.0.8", path = "../mybatis-util", default-features = false}
+mybatis-sql = { version = "1.0.8", path = "../mybatis-sql", default-features = false, optional = true}
+mybatis-core = { version = "1.0.8", path = "../mybatis-core", default-features = false, optional = true}
+mybatis-macro = { version = "1.0.8", path = "../mybatis-macro", default-features = false, optional = true}
 
 ################################################################
 rbson = { version = "2.0.3", features = ["uuid-0_8", "chrono-0_4"] }
diff --git a/mybatis/README.md b/mybatis/README.md
index ee3eb29..3bb2ec5 100644
--- a/mybatis/README.md
+++ b/mybatis/README.md
@@ -21,10 +21,11 @@ Summer MyBatis is an ORM framework based on rust language and mybatis framework.
 * Step1. Add mybatis dependency
 
     ```rust
+    mybatis = { version = "1.0.8"}
+    // other dependency
     serde = { version = "1", features =  ["derive"] }
     rbson = "2.0"
     tokio = { version = "1.18.2", features = ["full"] }
-    mybatis = { version = "1.0.7"}
     ```
 * Step2. Create a structure corresponding to the database table and map the method
   
diff --git a/mybatis/src/lib.rs b/mybatis/src/lib.rs
index e2f984b..8223440 100644
--- a/mybatis/src/lib.rs
+++ b/mybatis/src/lib.rs
@@ -3,6 +3,9 @@ pub extern crate mybatis_macro;
 #[macro_use]
 pub extern crate mybatis_sql;
 
+// mapping macros
+pub use mybatis_core as core;
+
 pub use mybatis_sql::{expr, push_index, rb_html, rb_py, sql_index};
 pub use mybatis_sql::ops::*;
 pub use mybatis_core::*;