diff --git a/src/components/editor.tsx b/src/components/editor.tsx
index 8a6b745..8c443be 100644
--- a/src/components/editor.tsx
+++ b/src/components/editor.tsx
@@ -991,6 +991,7 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
     }
   };
 
+  // check should rebuild graph
   useEffect(() => {
     if (!editorSize || (editorSize.width === 0 && editorSize.height === 0)) {
       return;
@@ -1007,12 +1008,14 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
     }
   });
 
+  // check should subtree
   useEffect(() => {
     if (workspace.editing === editor) {
       checkSubtree();
     }
   }, [workspace.editing]);
 
+  // check should repaint node
   useEffect(() => {
     if (editor.graph) {
       editor.graph.changeData(editor.data);
@@ -1021,11 +1024,6 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
     }
   }, [t]);
 
-  type MenuInfo = Parameters<Exclude<MenuProps["onClick"], undefined>>[0];
-  const onClick = useCallback((info: MenuInfo) => {
-    editor.dispatch(info.key as EditEvent);
-  }, []);
-
   const nextResult = () => {
     if (results.length > 0) {
       const idx = (resultIndex + 1) % results.length;
@@ -1091,7 +1089,7 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
                     size="small"
                     className={mergeClassNames(
                       "b3-editor-button-filter",
-                      filterCase ? "b3-editor-button-filter-selected" : ""
+                      filterCase && "b3-editor-button-filter-selected"
                     )}
                     icon={<VscCaseSensitive style={{ width: "18px", height: "18px" }} />}
                     onClick={() => {
@@ -1104,7 +1102,7 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
                     size="small"
                     className={mergeClassNames(
                       "b3-editor-button-filter",
-                      filterFocus ? "b3-editor-button-filter-selected" : ""
+                      filterFocus && "b3-editor-button-filter-selected"
                     )}
                     icon={<RiFocus3Line />}
                     onClick={() => setFilterFocus(!filterFocus)}
@@ -1147,7 +1145,10 @@ export const Editor: FC<EditorProps> = ({ onUpdate: updateState, data: editor, .
         </Flex>
       )}
 
-      <Dropdown menu={{ items: menuItems, onClick }} trigger={["contextMenu"]}>
+      <Dropdown
+        menu={{ items: menuItems, onClick: (info) => editor.dispatch(info.key as EditEvent) }}
+        trigger={["contextMenu"]}
+      >
         <div tabIndex={-1} style={{ width: "100%", height: "100%" }} ref={graphRef} />
       </Dropdown>
     </div>
diff --git a/src/misc/util.ts b/src/misc/util.ts
index ce74f4d..9c0f21a 100644
--- a/src/misc/util.ts
+++ b/src/misc/util.ts
@@ -10,6 +10,6 @@ export const writeJson = (path: string, data: any) => {
   fs.writeFileSync(path, str, "utf-8");
 };
 
-export function mergeClassNames(...cls: string[]): string {
+export function mergeClassNames(...cls: (string | boolean)[]): string {
   return cls.filter((v) => !!v).join(" ");
 }