diff --git a/src/utils/phdHelper.js b/src/utils/phdHelper.js
index 567c14e..67991b3 100644
--- a/src/utils/phdHelper.js
+++ b/src/utils/phdHelper.js
@@ -1,4 +1,4 @@
-import BigNumber from "bignumber.js"
+import BigNumber from 'bignumber.js'
 
 /**
  * PHD 类型
@@ -20,7 +20,7 @@ export const isSample = dataType => {
 }
 
 export const getSampleTypeIdentify = dataType => {
-  if(isSample(dataType)) {
+  if (isSample(dataType)) {
     return 'S'
   } else {
     switch (dataType) {
@@ -92,8 +92,9 @@ export class PHDParser {
     this.fileType = headerInfoLine1[2]
     this.qualify = headerInfoLine1[4]
 
-    const liveTime = parseFloat(this.getBlockStr('Acquisition', 0, 3))
-    this.liveTime = BigNumber(liveTime).toPrecision(6)
+    let liveTime = parseFloat(this.getBlockStr('Acquisition', 0, 3))
+    liveTime = BigNumber(liveTime).toPrecision(6)
+    this.liveTime = liveTime.endsWith('.0') ? parseInt(liveTime) : parseFloat(liveTime)
 
     // 如果解析的是sample 文件，则解析相关联的文件
     if (this.isSample) {