diff --git a/pc4mobx/hrmSalary/stores/ledger.js b/pc4mobx/hrmSalary/stores/ledger.js
index 402b02b8..eb05162d 100644
--- a/pc4mobx/hrmSalary/stores/ledger.js
+++ b/pc4mobx/hrmSalary/stores/ledger.js
@@ -489,8 +489,8 @@ export class LedgerStore {
   @action
   listSalaryItem = (searchValue = "", current = 1) => {
     let excludeIds = [];
-    this.itemGroups.map((item) => {
-      item.items.map((i) => {
+    this.itemGroups && this.itemGroups.map((item) => {
+      item.items && item.items.map((i) => {
         excludeIds.push(i.salaryItemId);
       });
     });