diff --git a/src/main.js b/src/main.js
index 62650a5..3dfbba7 100644
--- a/src/main.js
+++ b/src/main.js
@@ -16,5 +16,5 @@ createApp(App)
     .use(ElementPlus, { locale: zhCn, zIndex: 3000, size: 'default' })
     .mount('#app')
 
-document.title = 'ERP-管理系统';
+document.title = '妙选ERP';
 document.execCommand("BackgroundImageCache", false, true);
diff --git a/src/views/commodity/combination.vue b/src/views/commodity/combination.vue
index 2e1df25..86e525a 100644
--- a/src/views/commodity/combination.vue
+++ b/src/views/commodity/combination.vue
@@ -105,12 +105,12 @@
       <div v-for="(item, i) in goodsSkus" :key="i" class="skuBox">
         <el-form label-width="110px" :inline="true">
           <el-form-item label="规格：">
-            <el-select v-model="item.sku_id" placeholder="请选择" clearable filterable style="width: 160px;">
+            <el-select v-model="item.sku_id" placeholder="请选择" clearable filterable style="width: 160px;" @change="computeCost()">
               <el-option v-for="it in skusList" :key="it.id" :label="it.goods && it.goods.title + '（' + it.title + '）'" :value="it.id" />
             </el-select>
           </el-form-item>
           <el-form-item label="数量：">
-            <el-input-number v-model="item.num" :min="0" />
+            <el-input-number v-model="item.num" :min="0" @change="computeCost()" />
           </el-form-item>
           <el-form-item label=" ">
             <el-button type="danger" @click="handleSkuDelete(i)" size="small"><el-icon><Delete /></el-icon>&nbsp;删除</el-button>
@@ -252,6 +252,7 @@ export default {
 
     function handleSkuDelete(index) {
       data.goodsSkus.splice(index, 1)
+      computeCost()
     }
 
     function toAddSku() {
@@ -265,6 +266,10 @@ export default {
     function getSkusList() {
       get(`/api/all/goods-skus`).then((res) => {
         data.skusList = res.data
+        data.skuObj = {}
+        res.data.forEach(item => {
+          data.skuObj[item.id] = item
+        })
       })
     }
 
@@ -280,6 +285,20 @@ export default {
       })
     }
 
+    function computeCost() {
+      let val = 0
+      data.goodsSkus.forEach(item => {
+        if(item.sku_id) {
+          let goods_cost = data.skuObj[item.sku_id].goods_cost || 0
+          let other_cost = data.skuObj[item.sku_id].other_cost || 0
+          let cost_factor = data.skuObj[item.sku_id].cost_factor || 0
+          let cost = (goods_cost * 100 + other_cost * 100) * cost_factor
+          val += cost * item.num
+        }
+      })
+      data.itemInfo.goods_cost = (val / 100).toFixed(2)
+    }
+
     onMounted(() => {
       fetchData()
       getSkusList()
@@ -297,8 +316,8 @@ export default {
       handleSkuDelete,
       toAddSku,
       getSkusList,
-      handleUpload
-
+      handleUpload,
+      computeCost
     }
   }
 }
diff --git a/src/views/commodity/list.vue b/src/views/commodity/list.vue
index 66548eb..ff7a1a8 100644
--- a/src/views/commodity/list.vue
+++ b/src/views/commodity/list.vue
@@ -159,14 +159,24 @@
             </el-radio-group>
           </el-form-item>
           <el-form-item label="运费类型：">
-            <el-radio-group v-model="item.freight_type">
+            <el-radio-group v-model="item.freight_type" style="width: 250px;">
               <el-radio :label="1">有运费</el-radio>
               <el-radio :label="3">无运费</el-radio>
               <el-radio :label="2">后补</el-radio>
             </el-radio-group>
           </el-form-item>
-          <el-form-item label="商品成本：">
-            <el-input placeholder="商品成本" v-model="item.goods_cost" clearable style="width: 250px;"></el-input>
+          <el-form-item label="成本系数：">
+            <el-select v-model="item.cost_factor" placeholder="请选择" clearable style="width: 250px;">
+              <el-option label="1" :value="1" />
+              <el-option label="1.02" :value="1.02" />
+              <el-option label="1.05" :value="1.05" />
+            </el-select>
+          </el-form-item>
+          <el-form-item label="采购成本：">
+            <el-input placeholder="采购成本" v-model="item.goods_cost" clearable style="width: 250px;"></el-input>
+          </el-form-item>
+          <el-form-item label="其他成本：">
+            <el-input placeholder="其他成本" v-model="item.other_cost" clearable style="width: 250px;"></el-input>
           </el-form-item>
           <el-form-item label="运费成本：">
             <el-input placeholder="运费成本" v-model="item.freight_cost" clearable style="width: 250px;"></el-input>
@@ -317,7 +327,7 @@ export default {
         let item = data.skusList[index]
         item.freight_cost = item.freight_cost || 0
         if(!item.goods_cost || item.goods_cost * 1 == 0) {
-          return ElMessage({ type: 'info', message: '商品成本必填' })
+          // return ElMessage({ type: 'info', message: '商品成本必填' })
         }
       }
       data.opa_loading = true
@@ -395,8 +405,10 @@ export default {
         sort: 0,
         gift: 0,
         goods_cost: '',
+        other_cost: '',
         freight_cost: '',
-        freight_type: 1
+        freight_type: 1,
+        cost_factor: ''
       }
       data.skusList.push(sku)
     }
diff --git a/src/views/commodity/sku.vue b/src/views/commodity/sku.vue
index 4a9f2e5..8e8ffc1 100644
--- a/src/views/commodity/sku.vue
+++ b/src/views/commodity/sku.vue
@@ -95,7 +95,7 @@
           </template>
         </el-table-column>
         <el-table-column prop="created_at" label="添加时间" align="center" />
-        <el-table-column label="操作" align="center" width="150">
+        <el-table-column label="操作" align="center" width="150" fixed="right">
           <template #default="scope">
             <el-button type="primary" circle @click="handleEdit(scope.row)"><el-icon><Edit /></el-icon></el-button>
             
@@ -195,9 +195,19 @@
             <el-radio :label="2">后补</el-radio>
           </el-radio-group>
         </el-form-item>
-        <el-form-item label="商品成本：">
-          <el-input v-model="itemInfo.goods_cost" clearable></el-input>
-        </el-form-item>
+        <el-form-item label="成本系数：">
+            <el-select v-model="itemInfo.cost_factor" placeholder="请选择" clearable style="width: 200px;">
+              <el-option label="1" :value="1" />
+              <el-option label="1.02" :value="1.02" />
+              <el-option label="1.05" :value="1.05" />
+            </el-select>
+          </el-form-item>
+        <el-form-item label="采购成本：">
+            <el-input placeholder="采购成本" v-model="itemInfo.goods_cost" clearable></el-input>
+          </el-form-item>
+          <el-form-item label="其他成本：">
+            <el-input placeholder="其他成本" v-model="itemInfo.other_cost" clearable></el-input>
+          </el-form-item>
         <el-form-item label="运费成本：">
           <el-input v-model="itemInfo.freight_cost" clearable></el-input>
         </el-form-item>
@@ -363,7 +373,8 @@ export default {
         status: 1,
         sort: 0,
         gift: 0,
-        freight_type: 1
+        freight_type: 1,
+        cost_factor: ''
       }
       data.showDialog = true
     }
diff --git a/src/views/statistics/index.vue b/src/views/statistics/index.vue
index c864b11..8a44aea 100644
--- a/src/views/statistics/index.vue
+++ b/src/views/statistics/index.vue
@@ -148,6 +148,9 @@
             <el-table-column prop="total_profit" label="利润" align="center" />
             <el-table-column prop="order_rate" label="订单占比" align="center" />
             <el-table-column prop="number_rate" label="销量占比" align="center" />
+            <el-table-column prop="goods_cost" label="采购成本" align="center" />
+            <el-table-column prop="other_cost" label="其他成本" align="center" />
+            <el-table-column prop="freight_cost" label="运费(退款后)" align="center" />
             <el-table-column label="趋势图" align="center" width="80">
               <template #default="scope">
                 <el-button type="primary" circle @click="getDataLine(scope.row)" :loading="scope.row.loading"><el-icon><TrendCharts /></el-icon></el-button>