diff --git a/simple-mind-map/src/utils/Lru.js b/simple-mind-map/src/utils/Lru.js
index bb20162d..4edc0213 100644
--- a/simple-mind-map/src/utils/Lru.js
+++ b/simple-mind-map/src/utils/Lru.js
@@ -1,5 +1,5 @@
 // LRU缓存类
-export default class CRU {
+export default class Lru {
   constructor(max) {
     this.max = max || 1000
     this.size = 0