diff --git a/pages/goods-update/goods-update.js b/pages/goods-update/goods-update.js
index ae92231..6e489e5 100644
--- a/pages/goods-update/goods-update.js
+++ b/pages/goods-update/goods-update.js
@@ -814,6 +814,16 @@ Page({
     // 分割规格字符串，支持多种逗号分隔符：英文逗号、中文逗号、全角逗号
     if (spec) {
       specArray = spec.split(/[,，、]/).map(item => item.trim()).filter(item => item);
+    } else {
+      // 如果没有spec，尝试从weightQuantityData中获取规格
+      if (goodsDetail.weightQuantityData && goodsDetail.weightQuantityData.length > 0) {
+        specArray = goodsDetail.weightQuantityData.map(item => {
+          // 移除净重/毛重前缀
+          return item.weightSpec.replace(/^(净重|毛重)/, '');
+        });
+      } else {
+        specArray = [''];
+      }
     }
     
     // 从weightQuantityData中获取每个规格对应的价格和采购价格
@@ -822,11 +832,22 @@ Page({
       for (let i = 0; i < specArray.length; i++) {
         // 查找当前规格对应的weightQuantityData项
         const currentSpec = specArray[i];
-        const matchingItem = goodsDetail.weightQuantityData.find(item => 
-          item.weightSpec === currentSpec || 
-          item.weightSpec.includes(currentSpec) || 
-          currentSpec.includes(item.weightSpec)
-        );
+        // 处理规格前缀匹配问题，支持带净重/毛重前缀和不带前缀的情况
+        const matchingItem = goodsDetail.weightQuantityData.find(item => {
+          // 完全匹配
+          if (item.weightSpec === currentSpec) return true;
+          
+          // 处理带前缀的情况
+          const hasPrefix = item.weightSpec.includes('净重') || item.weightSpec.includes('毛重');
+          if (hasPrefix) {
+            // 如果weightSpec有前缀，移除前缀后比较
+            const specWithoutPrefix = item.weightSpec.replace(/^(净重|毛重)/, '');
+            return specWithoutPrefix === currentSpec;
+          } else {
+            // 如果weightSpec没有前缀，检查currentSpec是否包含weightSpec
+            return currentSpec.includes(item.weightSpec);
+          }
+        });
         
         if (matchingItem) {
           // 如果找到匹配项，使用匹配项的价格和采购价格
diff --git a/pages/goods-update/goods-update.wxml b/pages/goods-update/goods-update.wxml
index d46b629..4844de5 100644
--- a/pages/goods-update/goods-update.wxml
+++ b/pages/goods-update/goods-update.wxml
@@ -218,7 +218,7 @@
             <view class="price-item" wx:for="{{editSupply.specArray}}" wx:key="index">
               <view class="spec-label">
                 {{item}}
-                <text class="costprice-info" wx:if="{{editSupply.costpriceArray[index]}}">（采购价：¥{{editSupply.costpriceArray[index]}}）</text>
+                <text class="costprice-info" wx:if="{{editSupply.costpriceArray[index] !== undefined && editSupply.costpriceArray[index] !== null && editSupply.costpriceArray[index] !== ''}}">（采购价：¥{{editSupply.costpriceArray[index]}}）</text>
               </view>
               <input 
                 class="edit-form-input price-input" 
@@ -233,6 +233,10 @@
         </block>
         <!-- 单个规格时显示普通输入框 -->
         <block wx:else>
+          <view class="spec-label single-spec-label">
+            {{editSupply.specArray[0] || ''}}
+            <text class="costprice-info" wx:if="{{editSupply.costpriceArray[0] || editSupply.costprice}}">（采购价：¥{{editSupply.costpriceArray[0] || editSupply.costprice}}）</text>
+          </view>
           <input 
             class="edit-form-input" 
             type="text"