diff --git a/shared/pubUtils/dictionary/DicShop.ts b/shared/pubUtils/dictionary/DicShop.ts
index b0ed10a8f..d93174355 100644
--- a/shared/pubUtils/dictionary/DicShop.ts
+++ b/shared/pubUtils/dictionary/DicShop.ts
@@ -29,6 +29,8 @@ export interface DicShop {
 export const dicShopItem = new Map<number, DicShop>(); // itemid => DicShop
 export const dicShop = new Map<number, DicShop[]>();  // shop => DicShop[]
 export function loadShop() {
+    dicShopItem.clear();
+    dicShop.clear();
 
     let arr = readFileAndParse(FILENAME.DIC_SHOP);