diff --git a/src/grab/threatbook.rs b/src/grab/threatbook.rs
index 1e385a5..4a44be8 100644
--- a/src/grab/threatbook.rs
+++ b/src/grab/threatbook.rs
@@ -35,7 +35,7 @@ impl Grab for ThreadBookCrawler {
                 is_valuable = res
             }
 
-            let disclosure = self.get_disclosure(&v);
+            let disclosure = v.vuln_update_time.clone();
 
             let mut tags = Vec::new();
             if let Some(is_0day) = v.is_0day {
@@ -52,6 +52,7 @@ impl Grab for ThreadBookCrawler {
             if v.solution {
                 tags.push("有修复方案".to_string());
             }
+
             let vuln = VulnInfo {
                 unique_key: v.id,
                 title: v.vuln_name_zh,
@@ -98,38 +99,16 @@ impl ThreadBookCrawler {
         }
     }
 
-    pub fn get_disclosure(&self, data: &HighRisk) -> String {
-        if !data.vuln_publish_time.is_empty() {
-            data.vuln_publish_time.clone()
-        } else if let Some(vuln_update_time) = &data.vuln_update_time {
-            if !vuln_update_time.is_empty() {
-                vuln_update_time.to_string()
-            } else {
-                "".to_string()
-            }
-        } else {
-            "".to_string()
-        }
-    }
-
+    // The data currently judged to be high risk are all updated data.
+    // This is the judgment for the time being. If there are any problems, adjustments will be made later.
     pub fn check_valuable(&self, data: &HighRisk) -> Result<bool> {
         if !data.poc_exist && !data.premium {
             return Ok(false);
         }
-
-        if data.vuln_publish_time.is_empty() && data.vuln_update_time.is_none() {
+        if check_over_two_week(&data.vuln_update_time)? {
             return Ok(false);
         }
-        if !data.vuln_publish_time.is_empty() {
-            return check_over_two_week(&data.vuln_publish_time);
-        }
-        if let Some(vuln_update_time) = &data.vuln_update_time {
-            if !vuln_update_time.is_empty() {
-                return check_over_two_week(vuln_update_time);
-            }
-        }
-
-        Ok(false)
+        Ok(true)
     }
 }
 
@@ -148,7 +127,7 @@ pub struct Data {
 pub struct HighRisk {
     pub id: String,
     pub vuln_name_zh: String,
-    pub vuln_update_time: Option<String>,
+    pub vuln_update_time: String,
     pub affects: Vec<String>,
     pub vuln_publish_time: String,
     #[serde(rename = "pocExist")]
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index a68cc72..afb9b1e 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -11,9 +11,9 @@ pub fn check_over_two_week(date: &str) -> Result<bool> {
     let now = Utc::now().naive_utc().date();
     let two_weeks_ago = now - Duration::weeks(2);
     if target_date >= two_weeks_ago && target_date <= now {
-        return Ok(true);
+        return Ok(false);
     }
-    Ok(false)
+    Ok(true)
 }
 
 // data_str_format convernt 20240603 to 2024-06-03
@@ -51,4 +51,13 @@ mod tests {
         let res = timestamp_to_date(1715931545000).unwrap();
         assert_eq!(res, "2024-05-17");
     }
+
+    #[test]
+    pub fn test_check_over_two_week() -> Result<()> {
+        let res = check_over_two_week("2024-06-03")?;
+        assert!(!res);
+        let res = check_over_two_week("2024-05-03")?;
+        assert!(res);
+        Ok(())
+    }
 }