diff --git a/frontend/src/pages/share-admin/share-links.js b/frontend/src/pages/share-admin/share-links.js
index f3177336e1..4e4c3c1db7 100644
--- a/frontend/src/pages/share-admin/share-links.js
+++ b/frontend/src/pages/share-admin/share-links.js
@@ -156,20 +156,13 @@ class Item extends Component {
   }
 
   renderExpiration = () => {
-    let item = this.props.item;
+    const item = this.props.item;
     if (!item.expire_date) {
-      return (
-        <Fragment>--</Fragment>
-      );
+      return '--';
     }
-    let expire_date = moment(item.expire_date).format('YYYY-MM-DD');
-    return (
-      <Fragment>
-        {item.is_expired ? 
-          <span className="error">{expire_date}</span> : expire_date
-        }
-      </Fragment>
-    );
+    const expire_date = moment(item.expire_date).format('YYYY-MM-DD');
+    const expire_time = moment(item.expire_date).format('YYYY-MM-DD HH:mm:ss');
+    return (<span className={item.is_expired ? 'error' : ''} title={expire_time}>{expire_date}</span>);
   }
 
   changePerm = (permission) => {
diff --git a/frontend/src/pages/share-admin/upload-links.js b/frontend/src/pages/share-admin/upload-links.js
index d1e0bb1cab..370d3cb0fc 100644
--- a/frontend/src/pages/share-admin/upload-links.js
+++ b/frontend/src/pages/share-admin/upload-links.js
@@ -105,20 +105,13 @@ class Item extends Component {
   }
 
   renderExpiration = () => {
-    let item = this.props.item;
+    const item = this.props.item;
     if (!item.expire_date) {
-      return (
-        <Fragment>--</Fragment>
-      );
-    }
-    let expire_date = moment(item.expire_date).format('YYYY-MM-DD');
-    return (
-      <Fragment>
-        {item.is_expired ?
-          <span className="error">{expire_date}</span> : expire_date
-        }
-      </Fragment>
-    );
+      return '--';
+    }   
+    const expire_date = moment(item.expire_date).format('YYYY-MM-DD');
+    const expire_time = moment(item.expire_date).format('YYYY-MM-DD HH:mm:ss');
+    return (<span className={item.is_expired ? 'error' : ''} title={expire_time}>{expire_date}</span>);
   }
 
   render() {
diff --git a/frontend/src/pages/sys-admin/links/share-links.js b/frontend/src/pages/sys-admin/links/share-links.js
index 1289c82598..f546b5d17e 100644
--- a/frontend/src/pages/sys-admin/links/share-links.js
+++ b/frontend/src/pages/sys-admin/links/share-links.js
@@ -126,20 +126,13 @@ class Item extends Component {
   }
 
   renderExpiration = () => {
-    let item = this.props.item;
+    const item = this.props.item;
     if (!item.expire_date) {
-      return (
-        <Fragment>--</Fragment>
-      );
+      return '--';
     }
-    let expire_date = moment(item.expire_date).format('YYYY-MM-DD');
-    return (
-      <Fragment>
-        {item.is_expired ?
-          <span className="error">{expire_date}</span> : expire_date
-        }
-      </Fragment>
-    );
+    const expire_date = moment(item.expire_date).format('YYYY-MM-DD');
+    const expire_time = moment(item.expire_date).format('YYYY-MM-DD HH:mm:ss');
+    return (<span className={item.is_expired ? 'error' : ''} title={expire_time}>{expire_date}</span>);
   }
 
   render() {
diff --git a/frontend/src/pages/sys-admin/links/upload-links.js b/frontend/src/pages/sys-admin/links/upload-links.js
index 2c182182ea..ca7b601faf 100644
--- a/frontend/src/pages/sys-admin/links/upload-links.js
+++ b/frontend/src/pages/sys-admin/links/upload-links.js
@@ -107,18 +107,11 @@ class Item extends Component {
   renderExpiration = () => {
     let item = this.props.item;
     if (!item.expire_date) {
-      return (
-        <Fragment>--</Fragment>
-      );
+      return '--';
     }
-    let expire_date = moment(item.expire_date).format('YYYY-MM-DD');
-    return (
-      <Fragment>
-        {item.is_expired ?
-          <span className="error">{expire_date}</span> : expire_date
-        }
-      </Fragment>
-    );
+    const expire_date = moment(item.expire_date).format('YYYY-MM-DD');
+    const expire_time = moment(item.expire_date).format('YYYY-MM-DD HH:mm:ss');
+    return (<span className={item.is_expired ? 'error' : ''} title={expire_time}>{expire_date}</span>);
   }
 
   render() {