diff --git a/Cargo.lock b/Cargo.lock
index ed8cc2e..f6b558f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -8,6 +8,17 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
 
+[[package]]
+name = "ahash"
+version = "0.7.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "891477e0c6a8957309ee5c45a6368af3ae14bb510732d2684ffa19af310920f9"
+dependencies = [
+ "getrandom",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "aho-corasick"
 version = "1.1.3"
@@ -125,50 +136,6 @@ version = "0.8.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "22ec99545bb0ed0ea7bb9b8e1e9122ea386ff8a48c0922e43f36d45ab09e0e80"
 
-[[package]]
-name = "darling"
-version = "0.20.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83b2eb4d90d12bdda5ed17de686c2acb4c57914f8f921b8da7e112b5a36f3fe1"
-dependencies = [
- "darling_core",
- "darling_macro",
-]
-
-[[package]]
-name = "darling_core"
-version = "0.20.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "622687fe0bac72a04e5599029151f5796111b90f1baaa9b544d807a5e31cd120"
-dependencies = [
- "fnv",
- "ident_case",
- "proc-macro2",
- "quote",
- "strsim",
- "syn",
-]
-
-[[package]]
-name = "darling_macro"
-version = "0.20.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "733cabb43482b1a1b53eee8583c2b9e8684d592215ea83efd305dd31bc2f0178"
-dependencies = [
- "darling_core",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "deranged"
-version = "0.3.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b42b6fa04a440b495c8b04d0e71b707c585f83cb9cb28cf8cd0d976c315e31b4"
-dependencies = [
- "powerfmt",
-]
-
 [[package]]
 name = "derive_arbitrary"
 version = "1.3.2"
@@ -180,39 +147,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "diesel"
-version = "2.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62d6dcd069e7b5fe49a302411f759d4cf1cf2c27fe798ef46fb8baefc053dd2b"
-dependencies = [
- "diesel_derives",
- "libsqlite3-sys",
- "time",
-]
-
-[[package]]
-name = "diesel_derives"
-version = "2.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59de76a222c2b8059f789cbe07afbfd8deb8c31dd0bc2a21f85e256c1def8259"
-dependencies = [
- "diesel_table_macro_syntax",
- "dsl_auto_type",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "diesel_table_macro_syntax"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "209c735641a413bc68c4923a9d6ad4bcb3ca306b794edaa7eb0b3228a99ffb25"
-dependencies = [
- "syn",
-]
-
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -224,26 +158,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "dsl_auto_type"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0892a17df262a24294c382f0d5997571006e7a4348b4327557c4ff1cd4a8bccc"
-dependencies = [
- "darling",
- "either",
- "heck",
- "proc-macro2",
- "quote",
- "syn",
-]
-
-[[package]]
-name = "either"
-version = "1.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
-
 [[package]]
 name = "encoding_rs"
 version = "0.8.34"
@@ -259,6 +173,18 @@ version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5443807d6dff69373d433ab9ef5378ad8df50ca6298caf15de6e52e24aaf54d5"
 
+[[package]]
+name = "fallible-iterator"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
+
+[[package]]
+name = "fallible-streaming-iterator"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
+
 [[package]]
 name = "flate2"
 version = "1.0.30"
@@ -293,10 +219,24 @@ dependencies = [
 ]
 
 [[package]]
-name = "fnv"
-version = "1.0.7"
+name = "getrandom"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+checksum = "c4567c8db10ae91089c99af84c68c38da3ec2f087c3f82960bcdbf3656b6f4d7"
+dependencies = [
+ "cfg-if",
+ "libc",
+ "wasi",
+]
+
+[[package]]
+name = "hashbrown"
+version = "0.11.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+dependencies = [
+ "ahash",
+]
 
 [[package]]
 name = "hashbrown"
@@ -305,16 +245,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5274423e17b7c9fc20b6e7e208532f9b19825d82dfd615708b70edd83df41f1"
 
 [[package]]
-name = "heck"
-version = "0.5.0"
+name = "hashlink"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
-
-[[package]]
-name = "ident_case"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b9e0384b61958566e926dc50660321d12159025e767c18e043daf26b70104c39"
+checksum = "7249a3129cbc1ffccd74857f81464a323a152173cdb134e0fd81bc803b29facf"
+dependencies = [
+ "hashbrown 0.11.2",
+]
 
 [[package]]
 name = "indexmap"
@@ -323,7 +260,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "168fb715dda47215e360912c096649d23d58bf392ac62f73919e831745e40f26"
 dependencies = [
  "equivalent",
- "hashbrown",
+ "hashbrown 0.14.5",
 ]
 
 [[package]]
@@ -336,12 +273,6 @@ dependencies = [
  "mach2",
 ]
 
-[[package]]
-name = "itoa"
-version = "1.0.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49f1f14873335454500d59611f1cf4a4b0f786f9ac11f4312a78e4cf2566695b"
-
 [[package]]
 name = "libc"
 version = "0.2.155"
@@ -350,10 +281,11 @@ checksum = "97b3888a4aecf77e811145cadf6eef5901f4782c53886191b2f693f24761847c"
 
 [[package]]
 name = "libsqlite3-sys"
-version = "0.28.0"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c10584274047cb335c23d3e61bcef8e323adae7c5c8c760540f73610177fc3f"
+checksum = "290b64917f8b0cb885d9de0f9959fe1f775d7fa12f1da2db9001c1c8ab60f89d"
 dependencies = [
+ "cc",
  "pkg-config",
  "vcpkg",
 ]
@@ -419,12 +351,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "num-conv"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51d515d32fb182ee37cda2ccdcb92950d6a3c2893aa280e540671c2cd0f3b1d9"
-
 [[package]]
 name = "num_enum"
 version = "0.7.2"
@@ -464,12 +390,6 @@ version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d231b230927b5e4ad203db57bbcbee2802f6bce620b1e4a9024a07d94e2907ec"
 
-[[package]]
-name = "powerfmt"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "439ee305def115ba05938db6eb1644ff94165c5ab5e9420d1c1bcedbba909391"
-
 [[package]]
 name = "proc-macro-crate"
 version = "3.1.0"
@@ -536,6 +456,21 @@ version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
 
+[[package]]
+name = "rusqlite"
+version = "0.25.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c4b1eaf239b47034fb450ee9cdedd7d0226571689d8823030c4b6c2cb407152"
+dependencies = [
+ "bitflags 1.3.2",
+ "fallible-iterator",
+ "fallible-streaming-iterator",
+ "hashlink",
+ "libsqlite3-sys",
+ "memchr",
+ "smallvec",
+]
+
 [[package]]
 name = "scopeguard"
 version = "1.2.0"
@@ -582,10 +517,10 @@ dependencies = [
 ]
 
 [[package]]
-name = "strsim"
-version = "0.11.1"
+name = "smallvec"
+version = "1.13.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
+checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
 
 [[package]]
 name = "syn"
@@ -618,37 +553,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "time"
-version = "0.3.36"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5dfd88e563464686c916c7e46e623e520ddc6d79fa6641390f2e3fa86e83e885"
-dependencies = [
- "deranged",
- "itoa",
- "num-conv",
- "powerfmt",
- "serde",
- "time-core",
- "time-macros",
-]
-
-[[package]]
-name = "time-core"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ef927ca75afb808a4d64dd374f00a2adf8d0fcff8e7b184af886c3c87ec4a3f3"
-
-[[package]]
-name = "time-macros"
-version = "0.2.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f252a68540fde3a3877aeea552b832b40ab9a69e318efd078774a01ddee1ccf"
-dependencies = [
- "num-conv",
- "time-core",
-]
-
 [[package]]
 name = "toml_datetime"
 version = "0.6.6"
@@ -693,6 +597,18 @@ version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
+[[package]]
+name = "version_check"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
+
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -730,8 +646,9 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "calamine",
- "diesel",
  "fltk",
+ "libsqlite3-sys",
+ "rusqlite",
  "serialport",
 ]
 
diff --git a/Cargo.toml b/Cargo.toml
index 047e3ec..e862984 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,6 @@ edition = "2021"
 anyhow="^1.0.86"
 fltk = { version = "^1.4", features = ["fltk-bundled"] }
 calamine="0.25.0"
-diesel = { version = "2.2.1", features = ["sqlite"] }
-#serial="0.4"
-serialport="4.4.0"
\ No newline at end of file
+serialport="4.4.0"
+rusqlite="0.25.4"
+libsqlite3-sys = { version = "0.22.2", features = ["bundled"] }
\ No newline at end of file
diff --git a/lib/sqlite3.lib b/lib/sqlite3.lib
new file mode 100644
index 0000000..9e20e15
Binary files /dev/null and b/lib/sqlite3.lib differ
diff --git a/src/models/mod.rs b/src/models/mod.rs
index e69de29..3b9172e 100644
--- a/src/models/mod.rs
+++ b/src/models/mod.rs
@@ -0,0 +1 @@
+pub(crate) mod write_result;
\ No newline at end of file
diff --git a/src/models/write_result.rs b/src/models/write_result.rs
new file mode 100644
index 0000000..83b14c4
--- /dev/null
+++ b/src/models/write_result.rs
@@ -0,0 +1,6 @@
+pub(crate) struct WriteResult{
+    pub(crate) id: i32,
+    pub(crate) imei: String,
+    pub(crate) sn: String,
+    pub(crate) write_date: String,
+}
\ No newline at end of file
diff --git a/src/services/excel_service.rs b/src/services/excel_service.rs
new file mode 100644
index 0000000..e69de29
diff --git a/src/services/mod.rs b/src/services/mod.rs
index dea22fa..64f4677 100644
--- a/src/services/mod.rs
+++ b/src/services/mod.rs
@@ -1 +1,5 @@
-mod serial_service;
\ No newline at end of file
+mod serial_service;
+mod sqlite_service;
+mod work_service;
+mod excel_service;
+mod ui_service;
\ No newline at end of file
diff --git a/src/services/serial_service.rs b/src/services/serial_service.rs
index 20604ac..affb9be 100644
--- a/src/services/serial_service.rs
+++ b/src/services/serial_service.rs
@@ -1,4 +1,3 @@
-use std::fmt::format;
 use anyhow::Result;
 use serialport::*;
 use std::io::prelude::*;
@@ -44,7 +43,7 @@ impl SerialService {
 
     pub fn send_command_with_target<T: for<'a> AsRef<str>>(&mut self, command: T, timeout: Option<u64>, target: T) -> Result<bool, String> {
         let target_str = target.as_ref();
-        _ = return match self.seand_command(command, timeout) {
+        _ = return match self.send_command(command, timeout) {
             Ok(resp) => { Ok(resp.contains(target_str)) },
             Err(err) => Err(err)
         };
diff --git a/src/services/sqlite_service.rs b/src/services/sqlite_service.rs
new file mode 100644
index 0000000..841b992
--- /dev/null
+++ b/src/services/sqlite_service.rs
@@ -0,0 +1,56 @@
+use anyhow::Result;
+use crate::models::write_result::WriteResult;
+use rusqlite::{Connection};
+
+pub(crate) struct SqliteService {
+    conn: Connection,
+}
+impl Default for SqliteService {
+    fn default() -> Self {
+        //TODO: fix cant use path to create service
+        return match Self::new(".data.db".to_string()){
+        Ok(service) => service,
+        Err(err) => panic!("{}", err.to_string())
+    }
+}
+}
+
+impl SqliteService {
+    pub fn new(conn_str: String) -> Result<Self> {
+        let conn = Connection::open(conn_str)?;
+        Ok(Self { conn })
+    }
+
+    pub fn create_table(&self) -> Result<()> {
+        self.conn.execute(
+            "CREATE TABLE IF NOT EXISTS write_results (
+                id INTEGER PRIMARY KEY,
+                imei TEXT NOT NULL,
+                sn TEXT NOT NULL,
+                write_date TEXT NOT NULL
+            )",
+            [],
+        )?;
+        Ok(())
+    }
+
+    pub fn insert(&self, write_result: WriteResult) -> Result<()> {
+        self.conn.execute(
+            "INSERT INTO write_results (imei, sn, write_date) VALUES (?1, ?2, ?3)",
+            &[&write_result.imei, &write_result.sn, &write_result.write_date],
+        )?;
+        Ok(())
+    }
+
+    pub fn check_sn(&self, sn: &str) -> Result<bool> {
+        let mut stmt = self.conn.prepare("SELECT sn FROM write_results WHERE sn = ?1")?;
+        let mut rows = stmt.query(&[&sn])?;
+        Ok(rows.next()?.is_some())
+    }
+}
+
+
+#[test]
+fn create_sql_service_test() {
+    let service = SqliteService::default();
+}
diff --git a/src/services/ui_service.rs b/src/services/ui_service.rs
new file mode 100644
index 0000000..e69de29
diff --git a/src/services/work_service.rs b/src/services/work_service.rs
new file mode 100644
index 0000000..2ea1a88
--- /dev/null
+++ b/src/services/work_service.rs
@@ -0,0 +1,7 @@
+use crate::services::{serial_service::SerialService, sqlite_service::SqliteService};
+
+
+pub struct WorkService {
+    serial_service: SerialService,
+    sqlite_service: SqliteService,
+}
\ No newline at end of file