diff --git a/Cargo.lock b/Cargo.lock
index 2f49a42..54d24c4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4569,7 +4569,7 @@ dependencies = [
 
 [[package]]
 name = "watchvuln-rs"
-version = "0.1.1"
+version = "0.1.4"
 dependencies = [
  "async-trait",
  "base64 0.22.1",
diff --git a/Cargo.toml b/Cargo.toml
index 21596c2..09fa7d8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "watchvuln-rs"
-version = "0.1.1"
+version = "0.1.4"
 edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
diff --git a/src/push/dingding.rs b/src/push/dingding.rs
index 80472c0..4fa3fb5 100644
--- a/src/push/dingding.rs
+++ b/src/push/dingding.rs
@@ -1,3 +1,5 @@
+use std::time::SystemTime;
+
 use crate::{
     error::{Error, Result},
     utils::{calc_hmac_sha256, http_client::Help},
@@ -72,8 +74,10 @@ impl DingDing {
         Help::new(headers)
     }
     pub fn generate_sign(&self) -> Result<Sign> {
-        let now = chrono::Local::now().timestamp();
-        let timestamp_and_secret = &format!("{}\n{}", now, self.secret_token);
+        let timestamp = SystemTime::now()
+            .duration_since(SystemTime::UNIX_EPOCH)?
+            .as_millis();
+        let timestamp_and_secret = &format!("{}\n{}", timestamp, self.secret_token);
         let hmac_sha256 = calc_hmac_sha256(
             self.secret_token.as_bytes(),
             timestamp_and_secret.as_bytes(),
@@ -81,7 +85,7 @@ impl DingDing {
         let sign = BASE64_STANDARD.encode(hmac_sha256);
         Ok(Sign {
             access_token: self.access_token.clone(),
-            timestamp: now,
+            timestamp,
             sign,
         })
     }
@@ -96,6 +100,6 @@ pub struct DingResponse {
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct Sign {
     pub access_token: String,
-    pub timestamp: i64,
+    pub timestamp: u128,
     pub sign: String,
 }
diff --git a/src/push/msg_template.rs b/src/push/msg_template.rs
index 54fdf06..161ae9e 100644
--- a/src/push/msg_template.rs
+++ b/src/push/msg_template.rs
@@ -28,9 +28,10 @@ const INIT_MSG_TEMPLATE: &str = r#"
 当前版本: {{ version }}
 本地漏洞数量: {{ vuln_count }}
 检查周期配置: {{ cron_config }}
-
-目前爬取的数据源：{% for v in grabs %}
-{{ loop.index }}.{{ v }}{% endfor %}"#;
+目前爬取的数据源:
+{% for v in grabs %}
+{{ loop.index }}.{{ v }}
+{% endfor %}"#;
 
 const MAX_REFERENCE_LENGTH: usize = 8;