diff --git a/src/editor/core/draw/particle/latex/LaTexParticle.ts b/src/editor/core/draw/particle/latex/LaTexParticle.ts
index 4bfdad7..f35a490 100644
--- a/src/editor/core/draw/particle/latex/LaTexParticle.ts
+++ b/src/editor/core/draw/particle/latex/LaTexParticle.ts
@@ -1,6 +1,6 @@
 import { IElement } from '../../../../interface/Element'
 import { ImageParticle } from '../ImageParticle'
-import { LaTexSVG, LaTexUtils } from './utils/LaTeXUtils'
+import { LaTexSVG, LaTexUtils } from './utils/LaTexUtils'
 
 export class LaTexParticle extends ImageParticle {
 
diff --git a/src/editor/dataset/enum/KeyMap.ts b/src/editor/dataset/enum/KeyMap.ts
new file mode 100644
index 0000000..38bcb85
--- /dev/null
+++ b/src/editor/dataset/enum/KeyMap.ts
@@ -0,0 +1,16 @@
+export enum KeyMap {
+  Delete = 'Delete',
+  Backspace = 'Backspace',
+  Enter = 'Enter',
+  Left = 'ArrowLeft',
+  Right = 'ArrowRight',
+  Up = 'ArrowUp',
+  Down = 'ArrowDown',
+  ESC = 'Escape',
+  A = 'a',
+  C = 'c',
+  S = 's',
+  X = 'x',
+  Y = 'y',
+  Z = 'z'
+}
\ No newline at end of file