diff --git a/src/hooks/SubRules.js b/src/hooks/SubRules.js
index 0c13025..25b3de8 100644
--- a/src/hooks/SubRules.js
+++ b/src/hooks/SubRules.js
@@ -32,10 +32,23 @@ export function useSubRules() {
     [list, updateSetting]
   );
 
+  const updateSub = useCallback(
+    async (url, obj) => {
+      const subrulesList = [...list];
+      subrulesList.forEach((item) => {
+        if (item.url === url) {
+          Object.assign(item, obj);
+        }
+      });
+      await updateSetting({ subrulesList });
+    },
+    [list, updateSetting]
+  );
+
   const addSub = useCallback(
     async (url) => {
       const subrulesList = [...list];
-      subrulesList.push({ url, selected: false });
+      subrulesList.push({ url, selected: false, syncAt: Date.now() });
       await updateSetting({ subrulesList });
     },
     [list, updateSetting]
@@ -70,6 +83,7 @@ export function useSubRules() {
   return {
     subList: list,
     selectSub,
+    updateSub,
     addSub,
     delSub,
     selectedSub,
diff --git a/src/libs/subRules.js b/src/libs/subRules.js
index af8cba1..b537edb 100644
--- a/src/libs/subRules.js
+++ b/src/libs/subRules.js
@@ -4,6 +4,7 @@ import {
   updateSync,
   setSubRules,
   getSubRules,
+  updateSetting,
 } from "./storage";
 import { apiFetchRules } from "../apis";
 import { checkRules } from "./rules";
@@ -54,6 +55,10 @@ export const trySyncAllSubRules = async ({ subrulesList }, isBg = false) => {
       await syncAllSubRules(subrulesList, isBg);
       await updateSync({ subRulesSyncAt: now });
     }
+    subrulesList.forEach((item) => {
+      item.syncAt = now;
+    });
+    await updateSetting({ subrulesList });
   } catch (err) {
     console.log("[try sync all subrules]", err);
   }
diff --git a/src/views/Options/Rules.js b/src/views/Options/Rules.js
index 81b2170..6e0d9a6 100644
--- a/src/views/Options/Rules.js
+++ b/src/views/Options/Rules.js
@@ -619,7 +619,15 @@ function UserRules({ subRules }) {
   );
 }
 
-function SubRulesItem({ index, url, selectedUrl, delSub, setSelectedRules }) {
+function SubRulesItem({
+  index,
+  url,
+  syncAt,
+  selectedUrl,
+  delSub,
+  updateSub,
+  setSelectedRules,
+}) {
   const [loading, setLoading] = useState(false);
 
   const handleDel = async () => {
@@ -638,6 +646,7 @@ function SubRulesItem({ index, url, selectedUrl, delSub, setSelectedRules }) {
       if (rules.length > 0 && url === selectedUrl) {
         setSelectedRules(rules);
       }
+      await updateSub(url, { syncAt: Date.now() });
     } catch (err) {
       console.log("[sync sub rules]", err);
     } finally {
@@ -649,6 +658,12 @@ function SubRulesItem({ index, url, selectedUrl, delSub, setSelectedRules }) {
     <Stack direction="row" alignItems="center" spacing={2}>
       <FormControlLabel value={url} control={<Radio />} label={url} />
 
+      {syncAt && (
+        <span style={{ marginLeft: "0.5em", opacity: 0.6 }}>
+          [{new Date(syncAt).toLocaleString()}]
+        </span>
+      )}
+
       {loading ? (
         <CircularProgress size={16} />
       ) : (
@@ -773,6 +788,7 @@ function SubRules({ subRules }) {
   const {
     subList,
     selectSub,
+    updateSub,
     addSub,
     delSub,
     selectedUrl,
@@ -795,9 +811,11 @@ function SubRules({ subRules }) {
           <SubRulesItem
             key={item.url}
             url={item.url}
+            syncAt={item.syncAt}
             index={index}
             selectedUrl={selectedUrl}
             delSub={delSub}
+            updateSub={updateSub}
             setSelectedRules={setSelectedRules}
           />
         ))}