diff --git a/src/views/modules/test/requestForTest.vue b/src/views/modules/test/requestForTest.vue
index 3a6d0c8..040fe29 100644
--- a/src/views/modules/test/requestForTest.vue
+++ b/src/views/modules/test/requestForTest.vue
@@ -360,7 +360,7 @@
         </el-row>
         <el-row :gutter="15">
           <el-col :span="24" style="position: relative;">
-            <span style="margin-right: 10px; color: #f56c6c; font-weight: bold; font-size: 14px; position: absolute; right: 0; top: 0; z-index: 2; pointer-events: none;">材料总金额：{{ materialTotalAmount.toFixed(2) }}</span>
+            <span style="margin-right: 10px; color: #f56c6c; font-weight: bold; font-size: 14px; position: absolute; right: 0; top: 0; z-index: 2; pointer-events: none;">材料总金额：{{ displayMaterialTotalAmount.toFixed(2) }}</span>
             <el-form-item style="height: 150px;">
               <template slot="label">
                 <el-button v-if="isAuth('107001:dataEntry')" style="margin-left: 2px;width: 115px;line-height: 1;font-size: 12px;" type="primary" @click="handleDataEntry">备注区：数据录入</el-button>
@@ -1048,6 +1048,13 @@ export default {
       return this.testSoBomList.reduce((sum, item) => {
         return sum + (Number(item.totalCost) || 0)
       }, 0)
+    },
+    // 新增模式下不展示上一次选中单据的材料金额
+    displayMaterialTotalAmount() {
+      if (this.modalData && this.modalData.flag === '1' && !this.modalData.testNo) {
+        return 0
+      }
+      return this.materialTotalAmount
     }
   },
   name: "test",
@@ -2970,16 +2977,16 @@ export default {
           //   return
           // }
           // this.confirmProjectPart();
-          // 计算材料总金额
-          this.modalData.materialTotalAmount = this.materialTotalAmount;
-
           if (this.modalData.flag === '1') {
+            // 新增首次保存时尚未维护材料信息，固定为0避免沿用旧数据
+            this.modalData.materialTotalAmount = 0
             this.testSoRoutingList = []
             this.testSoBomList = []
             this.testFileList = [];
             this.testPropertiesList = [];
             this.saveTest()
           } else {
+            this.modalData.materialTotalAmount = this.materialTotalAmount
             this.updateTest()
           }
         }
@@ -3679,7 +3686,8 @@ export default {
         createBy: this.$store.state.user.name,
         updateDate: '',
         updateBy: '',
-        nodeId: ''
+        nodeId: '',
+        materialTotalAmount: 0
       }
       this.activeTab = 'attribute';
       this.activeTabList = ['attribute']