diff --git a/common/basic.js b/common/basic.js
index 83be91dc..4df664c5 100644
--- a/common/basic.js
+++ b/common/basic.js
@@ -3,6 +3,8 @@ export {
 	maxPageSize
 }
 
+import { calc } from '@/common/calc'
+
 let jobStatusList = [];
 let itemStatusList = [];
 let locationTypeList = [];
@@ -943,7 +945,7 @@ export function getDataSource(subList) {
 			item.subList.push(newDetail);
 			items.push(item)
 		} else {
-			item.qty += Number(detail.qty)
+			item.qty = calc.add(item.qty,detail.qty)
 			let newDetail = createDetailInfo(detail); //
 			item.subList.push(newDetail);
 		}
diff --git a/common/calc.js b/common/calc.js
new file mode 100644
index 00000000..358252ee
--- /dev/null
+++ b/common/calc.js
@@ -0,0 +1,17 @@
+/* 解决js计算精度问题 */
+import { Decimal } from 'decimal.js';//引入
+class Calc {
+    add(num1,num2) {
+        return new Decimal(num1).add(new Decimal(num2))
+    }
+    sub(num1,num2) {
+        return new Decimal(num1).sub(new Decimal(num2))
+    }
+    mul(num1,num2) {
+        return new Decimal(num1).mul(new Decimal(num2))
+    }
+    div(num1,num2) {
+        return new Decimal(num1).div(new Decimal(num2))
+    }
+}
+export const calc = new Calc();
\ No newline at end of file
diff --git a/common/detail.js b/common/detail.js
index 1b566ecf..07d28531 100644
--- a/common/detail.js
+++ b/common/detail.js
@@ -1,3 +1,4 @@
+	import { calc } from '@/common/calc'
 export function getDataSource(subList) {
 	let items = [];
 	subList.forEach(detail => {
@@ -9,7 +10,7 @@ export function getDataSource(subList) {
 			item.subList.push(newDetail);
 			items.push(item)
 		} else {
-			item.qty +=Number(detail.qty)
+			item.qty = calc.add(item.qty,detail.qty)
 			let newDetail = createDetailInfo(detail); //
 			item.subList.push(newDetail);
 		}
diff --git a/common/record.js b/common/record.js
index 45490b12..6b310f39 100644
--- a/common/record.js
+++ b/common/record.js
@@ -5,6 +5,7 @@ import {
 import {
 	getDirectoryItemArray,
 } from '@/common/directory.js';
+import { calc } from '@/common/calc'
 
 export function createItemInfo(balance, pack) {
 	let item = {
@@ -40,7 +41,7 @@ export function calcHandleQty(detailSource) {
 		item.qty = 0;
 		for (let detail of item.subList) {
 			if (detail != undefined && detail.scaned) {
-				item.qty = item.qty + Number(detail.qty)
+				item.qty = calc.add(item.qty,detail.qty);
 			}
 		}
 	}
diff --git a/pages/count/job/countDetail.vue b/pages/count/job/countDetail.vue
index 7d940707..75d50c9c 100644
--- a/pages/count/job/countDetail.vue
+++ b/pages/count/job/countDetail.vue
@@ -23,6 +23,7 @@
 		</view>
 		<u-line color="#D8D8D8" style="margin-bottom: 15rpx;"></u-line>
 		<view class="page-main">
+			{{detailSource[0].qty}}
 			<scroll-view scroll-y="true" class="page-main-scroll">
 				<view class="detail-list" v-for="(item, index) in detailSource" :key="item.id">
 					<view class="">
@@ -72,6 +73,7 @@
 	import {
 		getCountStageName
 	} from '@/common/directory.js';
+	import { calc } from '@/common/calc'
 
 	import winScanButton from '@/mycomponents/scan/winScanButton.vue'
 	import winScanPack from '@/mycomponents/scan/winScanPack.vue'
@@ -202,7 +204,7 @@
 						item.subList.push(newDetail);
 						items.push(item)
 					} else {
-						item.qty += detail.qty
+						item.qty = calc.add(item.qty,detail.qty)
 						let newDetail = this.createDetailInfo(detail); //
 						item.subList.push(newDetail);
 					}
@@ -250,6 +252,7 @@
 					item.handleQty = 0;
 					for (let detail of item.subList) {
 						if (detail != undefined && detail.scaned) {
+							console.log("数量",Number(detail.qty))
 							item.handleQty += Number(detail.qty)
 						}
 					}