diff --git a/web/src/components/Editor/Editor.tsx b/web/src/components/Editor/Editor.tsx
index 110accd6..5228fbf1 100644
--- a/web/src/components/Editor/Editor.tsx
+++ b/web/src/components/Editor/Editor.tsx
@@ -9,7 +9,7 @@ export interface EditorRefActions {
   getContent: () => string;
   getSelectedContent: () => string;
   getCursorPosition: () => number;
-  setCursorPosition: (pos: number) => void;
+  setCursorPosition: (startPos: number, endPos?: number) => void;
 }
 
 interface Props {
@@ -105,8 +105,9 @@ const Editor = forwardRef(function Editor(props: Props, ref: React.ForwardedRef<
         const end = editorRef.current?.selectionEnd;
         return editorRef.current?.value.slice(start, end) ?? "";
       },
-      setCursorPosition: (pos: number) => {
-        editorRef.current?.setSelectionRange(pos, pos);
+      setCursorPosition: (startPos: number, endPos?: number) => {
+        const _endPos = isNaN(endPos as number) ? startPos : (endPos as number);
+        editorRef.current?.setSelectionRange(startPos, _endPos);
       },
     }),
     []
diff --git a/web/src/components/MemoEditor.tsx b/web/src/components/MemoEditor.tsx
index 709c5d7e..a1d0a5cf 100644
--- a/web/src/components/MemoEditor.tsx
+++ b/web/src/components/MemoEditor.tsx
@@ -122,6 +122,16 @@ const MemoEditor = () => {
         editorRef.current.insertText("", "`", "`");
         return;
       }
+      if (event.key === "k") {
+        event.preventDefault();
+        const selectedContent = editorRef.current.getSelectedContent();
+        editorRef.current.insertText("", "[", "](url)");
+        if (selectedContent) {
+          const startPos = editorRef.current.getCursorPosition() + 2;
+          const endPos = startPos + 3;
+          editorRef.current.setCursorPosition(startPos, endPos);
+        }
+      }
     }
 
     if (event.key === "Enter") {