diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 77cacb4..1fcba49 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -66,15 +66,6 @@
         },
         "problemMatcher": []
       },
-      {
-        "label": "common-fmt",
-        "type": "shell",
-        "command": "cargo fmt",
-        "options": {
-          "cwd": "${workspaceFolder}/common"
-        },
-        "problemMatcher": []
-      },
       {
         "label": "format-all",
         "dependsOn": [
diff --git a/server/src/db.rs b/server/src/db.rs
new file mode 100644
index 0000000..825a07a
--- /dev/null
+++ b/server/src/db.rs
@@ -0,0 +1,30 @@
+use surrealdb::{engine::any::{connect,Any}, Surreal,opt::auth::Root};
+
+use crate::utils::error::CustomResult;
+
+pub struct Database {
+    client: Surreal<Any>,
+}
+
+impl Database {
+    pub async fn new() -> CustomResult<Self> {
+        let client = connect("ws://172.30.113.67:5000").await?;
+
+        // 使用root账户进行认证
+        client
+            .signin(Root {
+                username: "root",
+                password: "root",
+            })
+            .await?;
+
+        // 选择命名空间和数据库
+        client.use_ns("test").use_db("test").await?;
+
+        Ok(Self { client })
+    }
+
+    pub fn get_client(&self) -> &Surreal<Any> {
+        &self.client
+    }
+}
diff --git a/server/src/main.rs b/server/src/main.rs
index 4d065b8..20edf0d 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -1,10 +1,13 @@
+mod db;
 mod utils;
-use rocket::{get, routes};
-use surrealdb;
+
+use db::Database;
+use rocket::{get, routes, State};
+use serde::{Deserialize, Serialize};
+use std::sync::{Arc, Mutex};
+
 use utils::error::CustomResult;
 
-
-
 #[get("/")]
 fn index() -> &'static str {
     "Hello, world!"
@@ -15,17 +18,21 @@ fn get_theme() -> &'static str {
     "light"
 }
 
-struct Appstate{
-    
+pub struct AppState {
+    db: Database,
 }
 
 #[rocket::main]
 async fn main() -> CustomResult<()> {
     let rocket_build = rocket::build();
 
+    let db = Database::new().await?;
+
     let rocket = rocket_build
         .mount("/", routes![index, get_theme])
-        .ignite().await?;
+        .manage(AppState { db })
+        .ignite()
+        .await?;
     rocket.launch().await?;
     std::process::exit(0);
-} 
\ No newline at end of file
+}
diff --git a/server/src/utils/error.rs b/server/src/utils/error.rs
index 2b842ff..0206f5c 100644
--- a/server/src/utils/error.rs
+++ b/server/src/utils/error.rs
@@ -1,5 +1,6 @@
 use common::error::CommonError;
 use rocket;
+use surrealdb;
 
 #[derive(Debug)]
 pub struct CustomError(pub String);
@@ -26,5 +27,10 @@ impl From<rocket::Error> for CustomError {
     }
 }
 
-pub type CustomResult<T> = Result<T, CustomError>;
+impl From<surrealdb::Error> for CustomError {
+    fn from(error: surrealdb::Error) -> Self {
+        CustomError(error.to_string())
+    }
+}
 
+pub type CustomResult<T> = Result<T, CustomError>;