diff --git a/src/filehandle/md_editor/component/MDContent.tsx b/src/filehandle/md_editor/component/MDContent.tsx
index 58b7b36..bd93701 100644
--- a/src/filehandle/md_editor/component/MDContent.tsx
+++ b/src/filehandle/md_editor/component/MDContent.tsx
@@ -114,6 +114,13 @@ export const MDContent = forwardRef<IMDContentExpose, IMDContentProps>(
       setChanged(changed);
     };
 
+    const handleRemove = (handle: DH | FH) => {
+      if (currentHandle === handle) {
+        setChanged(false);
+        setCurrentHandle(null);
+      }
+    };
+
     const handleSave = async (md: string) => {
       if (currentHandle) {
         try {
@@ -134,6 +141,7 @@ export const MDContent = forwardRef<IMDContentExpose, IMDContentProps>(
             changed={changed}
             update={update}
             onSelect={handleSelect}
+            onRemove={handleRemove}
           />
         ) : null}
 
diff --git a/src/filehandle/md_editor/component/MDSidebar.tsx b/src/filehandle/md_editor/component/MDSidebar.tsx
index fa49eba..9e0ecbd 100644
--- a/src/filehandle/md_editor/component/MDSidebar.tsx
+++ b/src/filehandle/md_editor/component/MDSidebar.tsx
@@ -26,6 +26,7 @@ interface ISidebarProps {
   changed: boolean;
   update(): void;
   onSelect(handle: FH): void;
+  onRemove(handle: DH | FH): void;
 }
 
 interface ExtendFileInfo extends FileInfo {
@@ -343,7 +344,7 @@ const insetFile = (children: ExtendFileInfo[], child: ExtendFileInfo) => {
 };
 
 export const Sidebar: React.FC<Readonly<ISidebarProps>> = (props) => {
-  const { handle, changed, update, onSelect } = props;
+  const { handle, changed, update, onSelect, onRemove } = props;
 
   const [list, setList] = useState<ExtendFileInfo[]>([]);
   const [activeId, setActiveId] = useState('');
@@ -457,6 +458,7 @@ export const Sidebar: React.FC<Readonly<ISidebarProps>> = (props) => {
           await remove(dh, curr.name);
           setList(filter(list, curr.id));
 
+          onRemove(curr.handle);
           update();
         } catch (err) {
           error((err as Error).message);