修改

src/views/businessManagement/salesOrder/detailsPageEdit.vue

@@ -256,7 +256,7 @@
             </template>-->
 
             <template slot="purchaseAmount" slot-scope="{ row }">
-              <el-input v-if="true" v-model="row.purchaseAmount" @focus="getPurchasePrice(row)" allow-create
+              <el-input v-if="row.$cellEdit" v-model="row.purchaseAmount" @focus="getPurchasePrice(row)" allow-create
                 filterable v-input-limit="2" default-first-option>
                 <el-option v-for="(item, index) in purchasePriceOption" :key="index" :label="item.purchasePrice"
                   :value="item.purchasePrice"></el-option>