diff --git a/pc4mobx/hrmSalary/util/index.js b/pc4mobx/hrmSalary/util/index.js
index 9be126dc..65a739ff 100644
--- a/pc4mobx/hrmSalary/util/index.js
+++ b/pc4mobx/hrmSalary/util/index.js
@@ -119,7 +119,7 @@ export const padding0 = (num, length) => {
 };
 export const toDecimal_n = (x, num) => {
   if (isNaN(parseFloat(x))) return false;
-  let f = Math.round(x * 100) / 100;
+  let f = Math.round(x * Math.pow(10, num)) / Math.pow(10, num);
   let s = f.toString();
   let rs = s.indexOf(".");
   if (rs < 0) {