diff --git a/backend/api_server/src/blog/cron/check_update.rs b/backend/api_server/src/blog/cron/check_update.rs
index 5f016d6..3a9f6b8 100644
--- a/backend/api_server/src/blog/cron/check_update.rs
+++ b/backend/api_server/src/blog/cron/check_update.rs
@@ -1,25 +1,22 @@
-use std::env;
-
-use dirs::home_dir;
-
 pub fn task() {
     // get dir
-    let git_work_dir_path = &env::var("GIT_WORK_DIR").unwrap_or_else(|e| {
-        if let Ok(default_log_path) = env::var("WORK_DIR") {
-            if default_log_path.starts_with('~') {
-                let home_path = home_dir().unwrap_or_else(|| panic!("Cannot find home directory"));
-                home_path
-                    .join(default_log_path.strip_prefix("~/").unwrap())
-                    .into_os_string()
-                    .into_string()
-                    .expect(
-                        "[fatal] failed to parse env `WORK_DIR`, try to use absolute path instead",
-                    )
-            } else {
-                default_log_path
-            }
-        } else {
-            panic!("[fatal] failed to parse env `GIT_WORK_DIR`: {}", e);
-        }
-    });
+    // let git_work_dir_path = &env::var("GIT_WORK_DIR").unwrap_or_else(|e| {
+    //     if let Ok(default_log_path) = env::var("WORK_DIR") {
+    //         if default_log_path.starts_with('~') {
+    //             let home_path = home_dir().unwrap_or_else(|| panic!("Cannot find home directory"));
+    //             home_path
+    //                 .join(default_log_path.strip_prefix("~/").unwrap())
+    //                 .into_os_string()
+    //                 .into_string()
+    //                 .expect(
+    //                     "[fatal] failed to parse env `WORK_DIR`, try to use absolute path instead",
+    //                 )
+    //         } else {
+    //             default_log_path
+    //         }
+    //     } else {
+    //         panic!("[fatal] failed to parse env `GIT_WORK_DIR`: {}", e);
+    //     }
+    // });
+    println!("check update");
 }
diff --git a/backend/api_server/src/blog/cron/mod.rs b/backend/api_server/src/blog/cron/mod.rs
index be1305e..5f06dc5 100644
--- a/backend/api_server/src/blog/cron/mod.rs
+++ b/backend/api_server/src/blog/cron/mod.rs
@@ -1 +1,10 @@
+use crate::scheduler::tasks::basic::BasicTask;
+use crate::scheduler::tasks::Task;
+
 pub mod check_update;
+
+pub fn get_tasks() -> Vec<Box<dyn Task>> {
+    vec![BasicTask::new(check_update::task, "* * * * * *")
+        .unwrap()
+        .to_task()]
+}
diff --git a/backend/api_server/src/init/cron.rs b/backend/api_server/src/init/cron.rs
new file mode 100644
index 0000000..5b17651
--- /dev/null
+++ b/backend/api_server/src/init/cron.rs
@@ -0,0 +1,11 @@
+use crate::blog;
+use crate::scheduler::Scheduler;
+
+pub fn start() {
+    let scheduler = Scheduler::new();
+    let _ = vec![blog::cron::get_tasks()]
+        .into_iter()
+        .map(|list| scheduler.insert_list(list))
+        .collect::<Vec<_>>();
+    scheduler.start().unwrap()
+}
diff --git a/backend/api_server/src/init/mod.rs b/backend/api_server/src/init/mod.rs
index e65de59..f2d02fb 100644
--- a/backend/api_server/src/init/mod.rs
+++ b/backend/api_server/src/init/mod.rs
@@ -1,3 +1,4 @@
+mod cron;
 mod database;
 pub mod logger;
 pub mod server;
@@ -22,6 +23,7 @@ pub fn load_env() {
 }
 
 pub async fn start() {
+    // connect database
     let db_pool = match database::init().await {
         Ok(pool) => {
             info!("database connection pool initialized");
@@ -36,6 +38,12 @@ pub async fn start() {
         }
     };
 
+    // schema init
+
+    // load cron task
+    cron::start();
+
+    // api serve
     match server::start(db_pool).await {
         Ok(_) => {}
         Err(e) => {
diff --git a/backend/api_server/src/scheduler/mod.rs b/backend/api_server/src/scheduler/mod.rs
index 08f018c..ce86797 100644
--- a/backend/api_server/src/scheduler/mod.rs
+++ b/backend/api_server/src/scheduler/mod.rs
@@ -157,6 +157,10 @@ impl Scheduler {
         Ok(id)
     }
 
+    pub fn insert_list(&self, tasks: Vec<Box<dyn Task>>) -> Result<Vec<Uuid>, SchedulerError> {
+        tasks.into_iter().map(|t| self.insert(t)).collect()
+    }
+
     pub fn new() -> Self {
         Self::default()
     }