diff --git a/yxt-as-ui/src/views/purchase/purchasereturn/purchasereturnAdd.vue b/yxt-as-ui/src/views/purchase/purchasereturn/purchasereturnAdd.vue
index f6c58f0334..a421ce5a48 100644
--- a/yxt-as-ui/src/views/purchase/purchasereturn/purchasereturnAdd.vue
+++ b/yxt-as-ui/src/views/purchase/purchasereturn/purchasereturnAdd.vue
@@ -236,7 +236,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount !== '' ? e.backCount : '0')) * 100) / 100
+            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount === null ? '0' : e.backCount !== '' ? e.backCount : '0')) * 100) / 100
           }
         })
       }
@@ -248,7 +248,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            th = Math.round((parseFloat(th) + parseFloat(e.backAmount !== '' ? e.backAmount : '0')) * 100) / 100
+            th = Math.round((parseFloat(th) + parseFloat(e.backAmount === null ? '0' : e.backAmotun !== '' ? e.backAmotun : '0')) * 100) / 100
           }
         })
       }
diff --git a/yxt-as-ui/src/views/purchase/purchasereturn/purchasereturnInfo.vue b/yxt-as-ui/src/views/purchase/purchasereturn/purchasereturnInfo.vue
index 700fb2ec1a..aa8bf6c5e0 100644
--- a/yxt-as-ui/src/views/purchase/purchasereturn/purchasereturnInfo.vue
+++ b/yxt-as-ui/src/views/purchase/purchasereturn/purchasereturnInfo.vue
@@ -215,7 +215,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount !== '' ? e.backCount : '0')) * 100) / 100
+            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount === null ? '0' : e.backCount !== '' ? e.backCount : '0')) * 100) / 100
           }
         })
       }
@@ -227,7 +227,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            th = Math.round((parseFloat(th) + parseFloat(e.backAmount !== '' ? e.backAmount : '0')) * 100) / 100
+            th = Math.round((parseFloat(th) + parseFloat(e.backAmount === null ? '0' : e.backAmotun !== '' ? e.backAmotun : '0')) * 100) / 100
           }
         })
       }
diff --git a/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnDaiBan.vue b/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnDaiBan.vue
index b709bcda4c..fb238ad832 100644
--- a/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnDaiBan.vue
+++ b/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnDaiBan.vue
@@ -321,7 +321,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount !== '' ? e.backCount : '0')) * 100) / 100
+            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount === null ? '0' : e.backCount !== '' ? e.backCount : '0')) * 100) / 100
           }
         })
       }
@@ -333,7 +333,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            th = Math.round((parseFloat(th) + parseFloat(e.backAmount !== '' ? e.backAmount : '0')) * 100) / 100
+            th = Math.round((parseFloat(th) + parseFloat(e.backAmount === null ? '0' : e.backAmotun !== '' ? e.backAmotun : '0')) * 100) / 100
           }
         })
       }
diff --git a/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnEdit.vue b/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnEdit.vue
index 6623fe84f3..26e65c18a1 100644
--- a/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnEdit.vue
+++ b/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnEdit.vue
@@ -251,7 +251,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount !== '' ? e.backCount : '0')) * 100) / 100
+            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount === null ? '0' : e.backCount !== '' ? e.backCount : '0')) * 100) / 100
           }
         })
       }
@@ -263,7 +263,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            th = Math.round((parseFloat(th) + parseFloat(e.backAmount !== '' ? e.backAmount : '0')) * 100) / 100
+            th = Math.round((parseFloat(th) + parseFloat(e.backAmount === null ? '0' : e.backAmotun !== '' ? e.backAmotun : '0')) * 100) / 100
           }
         })
       }
diff --git a/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnYiBan.vue b/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnYiBan.vue
index bb15d091a8..74d39670ad 100644
--- a/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnYiBan.vue
+++ b/yxt-as-ui/src/views/workFlow/caigoutuihuoFlow/purchasereturnYiBan.vue
@@ -250,7 +250,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount !== '' ? e.backCount : '0')) * 100) / 100
+            sl = Math.round((parseFloat(sl) + parseFloat(e.backCount === null ? '0' : e.backCount !== '' ? e.backCount : '0')) * 100) / 100
           }
         })
       }
@@ -262,7 +262,7 @@ export default {
       if (this.formobj.pmsPurchasebackDetailList.length > 0) {
         this.formobj.pmsPurchasebackDetailList.forEach((e) => {
           if (e.goodsSpuName !== '') {
-            th = Math.round((parseFloat(th) + parseFloat(e.backAmount !== '' ? e.backAmount : '0')) * 100) / 100
+            th = Math.round((parseFloat(th) + parseFloat(e.backAmount === null ? '0' : e.backAmotun !== '' ? e.backAmotun : '0')) * 100) / 100
           }
         })
       }