diff --git a/frontend/src/components/tree-view/tree-view.js b/frontend/src/components/tree-view/tree-view.js
index f658818789..4e5ad5eed9 100644
--- a/frontend/src/components/tree-view/tree-view.js
+++ b/frontend/src/components/tree-view/tree-view.js
@@ -144,6 +144,12 @@ class TreeView extends React.Component {
       return;
     }
 
+    let currentRepoInfo = this.props.currentRepoInfo;
+
+    if (currentRepoInfo.permission === 'cloud-edit' || currentRepoInfo.permission === 'preview') {
+      return '';
+    }
+    
     let x = event.clientX || (event.touches && event.touches[0].pageX);
     let y = event.clientY || (event.touches && event.touches[0].pageY);
 
diff --git a/frontend/src/components/wiki-dir-list-view/wiki-dir-list-item.js b/frontend/src/components/wiki-dir-list-view/wiki-dir-list-item.js
index 5c936f06f1..30fd208c83 100644
--- a/frontend/src/components/wiki-dir-list-view/wiki-dir-list-item.js
+++ b/frontend/src/components/wiki-dir-list-view/wiki-dir-list-item.js
@@ -26,6 +26,11 @@ class WikiDirListItem extends React.Component {
     this.setState({highlight: false});
   }
 
+  onContextMenu = (event) => {
+    event.preventDefault();
+    event.stopPropagation();
+  }
+
   onDirentClick = (e) => {
     e.preventDefault();
     this.props.onDirentClick(this.props.dirent);
@@ -37,7 +42,7 @@ class WikiDirListItem extends React.Component {
     let iconUrl = Utils.getDirentIcon(dirent);
 
     return (
-      <tr className={this.state.highlight ? 'tr-highlight' : ''} onMouseEnter={this.onMouseEnter} onMouseLeave={this.onMouseLeave}>
+      <tr className={this.state.highlight ? 'tr-highlight' : ''} onMouseEnter={this.onMouseEnter} onMouseLeave={this.onMouseLeave} onContextMenu={this.onContextMenu}>
         <td className="text-center">
           <img src={iconUrl} width="24" alt="" />
         </td>
diff --git a/frontend/src/pages/lib-content-view/lib-content-view.js b/frontend/src/pages/lib-content-view/lib-content-view.js
index f745832446..f177c120e8 100644
--- a/frontend/src/pages/lib-content-view/lib-content-view.js
+++ b/frontend/src/pages/lib-content-view/lib-content-view.js
@@ -352,7 +352,7 @@ class LibContentView extends React.Component {
         seafileAPI.getFileContent(res.data).then((res) => {
           this.setState({
             content: res.data,
-            filePermission: permission === 'rw',
+            filePermission: permission === 'rw' || permission === 'cloud-edit',
             latestContributor: last_modifier_name,
             lastModified: moment.unix(mtime).fromNow(),
             isFileLoading: false,