diff --git a/backend/application/extra/common.php b/backend/application/extra/common.php
index 63de2da..d101a33 100644
--- a/backend/application/extra/common.php
+++ b/backend/application/extra/common.php
@@ -19,10 +19,10 @@ return [
         // 商户 API 证书(商户平台-账户中心-API安全 下载, v2/v3 共用同一套)
         'private_key' => APP_PATH . 'extra/cert/apiclient_key.pem', // 商户证书私钥 绝对路径
         'certificate' => APP_PATH . 'extra/cert/apiclient_cert.pem', // 商户API证书 绝对路径
-        // 微信支付公钥模式(2024Q3+ 推荐): 公钥ID以 PUB_KEY_ID_ 开头, 公钥文件存放于 extra/cert/wechatpay_pub.pem
+        // 微信支付公钥模式(2024Q3+ 推荐): 公钥ID以 PUB_KEY_ID_ 开头, 公钥文件存放于 extra/cert/pub_key.pem
         // 两者都配置后无需再下载平台证书
-        'platform_certs' => (Env::get('wechat.pub_key_id') && is_file(APP_PATH . 'extra/cert/wechatpay_pub.pem'))
-            ? [Env::get('wechat.pub_key_id') => APP_PATH . 'extra/cert/wechatpay_pub.pem']
+        'platform_certs' => (Env::get('wechat.pub_key_id') && is_file(APP_PATH . 'extra/cert/pub_key.pem'))
+            ? [Env::get('wechat.pub_key_id') => APP_PATH . 'extra/cert/pub_key.pem']
             : [],
         // 支付结果通知地址(也可在下单时单独覆盖)
         'notify_url'    => Env::get('app.url') . '/api/order/payNotify',
diff --git a/frontend/miniapp/components/goods-card/index.js b/frontend/miniapp/components/goods-card/index.js
index e22aace..c5bdc68 100644
--- a/frontend/miniapp/components/goods-card/index.js
+++ b/frontend/miniapp/components/goods-card/index.js
@@ -32,6 +32,12 @@ Component({
       value: '¥',
     },
 
+    // 是否展示"购买"引导按钮（仅商品列表等售卖场景开启）
+    showBuy: {
+      type: Boolean,
+      value: false,
+    },
+
     thresholds: {
       type: Array,
       value: [],
diff --git a/frontend/miniapp/components/goods-card/index.wxml b/frontend/miniapp/components/goods-card/index.wxml
index da251f1..ddd1d2f 100644
--- a/frontend/miniapp/components/goods-card/index.wxml
+++ b/frontend/miniapp/components/goods-card/index.wxml
@@ -19,6 +19,9 @@
       <view class="goods-card__down">
         <price wx:if="{{ goods.price }}" wr-class="spec-for-price" symbol-class="spec-for-symbol" symbol="{{currency}}" price="{{goods.price}}" />
         <price wx:if="{{ goods.originPrice && isValidityLinePrice }}" wr-class="goods-card__origin-price" symbol="{{currency}}" price="{{goods.originPrice}}" type="delthrough" />
+        <view wx:if="{{showBuy}}" class="goods-card__buy" hover-class="goods-card__buy--hover" hover-stay-time="60" catchtap="clickHandle" data-goods="{{ goods }}">
+          <t-icon name="cart" size="28rpx" color="#ffffff" />
+        </view>
       </view>
     </view>
   </view>
diff --git a/frontend/miniapp/components/goods-card/index.wxss b/frontend/miniapp/components/goods-card/index.wxss
index 87d73d4..ae61928 100644
--- a/frontend/miniapp/components/goods-card/index.wxss
+++ b/frontend/miniapp/components/goods-card/index.wxss
@@ -112,6 +112,28 @@
   line-height: 44rpx;
 }
 
+/* "购买"引导按钮：圆形加号图标，沉底右对齐 */
+.goods-card__buy {
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  align-self: flex-end;
+  margin-left: auto;
+  width: 52rpx;
+  height: 52rpx;
+  flex-shrink: 0;
+  color: var(--text-inverse);
+  background: var(--brand-gradient);
+  border-radius: var(--radius-round);
+  box-shadow: 0 4rpx 12rpx rgba(255, 95, 21, 0.28);
+  transition: transform 0.16s ease, box-shadow 0.16s ease;
+}
+
+.goods-card__buy--hover {
+  transform: scale(0.9);
+  box-shadow: 0 2rpx 6rpx rgba(255, 95, 21, 0.2);
+}
+
 .goods-card__origin-price {
   order: 2;
   margin: 0 0 0 12rpx;
diff --git a/frontend/miniapp/components/goods-list/index.js b/frontend/miniapp/components/goods-list/index.js
index 2d09126..71c4a5b 100644
--- a/frontend/miniapp/components/goods-list/index.js
+++ b/frontend/miniapp/components/goods-list/index.js
@@ -17,6 +17,11 @@ Component({
       type: Array,
       value: [],
     },
+    // 是否展示卡片上的"购买"引导按钮
+    showBuy: {
+      type: Boolean,
+      value: false,
+    },
   },
 
   data: {
diff --git a/frontend/miniapp/components/goods-list/index.wxml b/frontend/miniapp/components/goods-list/index.wxml
index c3bbcb6..11a74f0 100644
--- a/frontend/miniapp/components/goods-list/index.wxml
+++ b/frontend/miniapp/components/goods-list/index.wxml
@@ -1,5 +1,5 @@
 <view class="goods-list-wrap wr-class" id="{{independentID}}">
   <block wx:for="{{goodsList}}" wx:for-item="item" wx:key="index">
-    <goods-card id="{{independentID}}-gd-{{index}}" data="{{item}}" currency="{{item.currency || '¥'}}" thresholds="{{thresholds}}" class="goods-card-inside" data-index="{{index}}" bind:click="onClickGoods" />
+    <goods-card id="{{independentID}}-gd-{{index}}" data="{{item}}" currency="{{item.currency || '¥'}}" thresholds="{{thresholds}}" show-buy="{{showBuy}}" class="goods-card-inside" data-index="{{index}}" bind:click="onClickGoods" />
   </block>
 </view>
diff --git a/frontend/miniapp/pages/cart/components/cart-bar/index.wxml b/frontend/miniapp/pages/cart/components/cart-bar/index.wxml
index 486a0d5..a487e9c 100644
--- a/frontend/miniapp/pages/cart/components/cart-bar/index.wxml
+++ b/frontend/miniapp/pages/cart/components/cart-bar/index.wxml
@@ -17,7 +17,6 @@
 			 decimalSmaller
 			 class="cart-bar__total--bold cart-bar__total--price"
 			/>
-			<text class="cart-bar__total--normal">（不含运费）</text>
 		</view>
 		<view wx:if="{{totalDiscountAmount}}">
 			<text class="cart-bar__total--normal text-padding-right">已优惠</text>
diff --git a/frontend/miniapp/pages/developer/join/index.js b/frontend/miniapp/pages/developer/join/index.js
index 596104e..c3e72d7 100644
--- a/frontend/miniapp/pages/developer/join/index.js
+++ b/frontend/miniapp/pages/developer/join/index.js
@@ -12,6 +12,9 @@ Page({
     languageSelected: [],
     frontSelected: [],
     backendSelected: [],
+    languageSelectedMap: {},
+    frontSelectedMap: {},
+    backendSelectedMap: {},
     desc: '',
     job: '',
     workYears: 0,
@@ -33,13 +36,21 @@ Page({
     });
   },
 
-  handleGroupChange(event) {
-    console.log('group', event.detail.value);
-    const { field } = event.currentTarget.dataset;  // 获取 data-field 的值
-    console.log(field);
-    this.setData({
-      [field + 'Selected']: event.detail.value,  // 动态设置对应的Selected数组
-    });
+  onChipTap(e) {
+    const { field, value } = e.currentTarget.dataset;
+    const key = field + 'Selected';
+    const mapKey = field + 'SelectedMap';
+    const selected = this.data[key].slice();
+    const map = Object.assign({}, this.data[mapKey]);
+    const idx = selected.indexOf(value);
+    if (idx > -1) {
+      selected.splice(idx, 1);
+      delete map[value];
+    } else {
+      selected.push(value);
+      map[value] = true;
+    }
+    this.setData({ [key]: selected, [mapKey]: map });
   },
 
   onInputChange(e) {
diff --git a/frontend/miniapp/pages/developer/join/index.json b/frontend/miniapp/pages/developer/join/index.json
index c0a38de..026cf40 100644
--- a/frontend/miniapp/pages/developer/join/index.json
+++ b/frontend/miniapp/pages/developer/join/index.json
@@ -1,10 +1,6 @@
 {
   "navigationBarTitleText": "人才入驻",
   "usingComponents": {
-    "t-tag": "tdesign-miniprogram/tag/tag",
-    "t-check-tag": "tdesign-miniprogram/check-tag/check-tag",
-    "t-checkbox": "tdesign-miniprogram/checkbox/checkbox",
-    "t-checkbox-group": "tdesign-miniprogram/checkbox-group/checkbox-group",
     "t-textarea": "tdesign-miniprogram/textarea/textarea",
     "t-input": "tdesign-miniprogram/input/input",
     "t-divider": "tdesign-miniprogram/divider/divider",
diff --git a/frontend/miniapp/pages/developer/join/index.wxml b/frontend/miniapp/pages/developer/join/index.wxml
index a9a47ed..d771176 100644
--- a/frontend/miniapp/pages/developer/join/index.wxml
+++ b/frontend/miniapp/pages/developer/join/index.wxml
@@ -3,25 +3,40 @@
   <view class="skill-label">1.请选择你掌握的技术栈</view>
   <t-collapse theme="card" defaultValue="{{[0]}}" expandIcon>
     <t-collapse-panel header="编程语言" value="{{0}}">
-      <t-checkbox-group t-class="box" borderless data-field="language" bind:change="handleGroupChange" defaultValue="{{frontCurrent}}">
-        <block wx:for="{{languageLabels}}" wx:key="index">
-          <t-checkbox t-class="t-class-text" icon="rectangle" block="{{false}}" value="{{item}}" label="{{item}}" />
-        </block>
-      </t-checkbox-group>
+      <view class="chip-list">
+        <view
+          wx:for="{{languageLabels}}"
+          wx:key="index"
+          class="chip-item {{languageSelectedMap[item] ? 'chip-item--active' : ''}}"
+          data-field="language"
+          data-value="{{item}}"
+          bindtap="onChipTap"
+        >{{item}}</view>
+      </view>
     </t-collapse-panel>
     <t-collapse-panel header="前端技术" value="{{1}}">
-      <t-checkbox-group t-class="box" borderless data-field="front" bind:change="handleGroupChange" defaultValue="{{frontCurrent}}">
-        <block wx:for="{{frontLabels}}" wx:key="index">
-          <t-checkbox t-class="t-class-text" icon="rectangle" block="{{false}}" value="{{item}}" label="{{item}}" />
-        </block>
-      </t-checkbox-group>
+      <view class="chip-list">
+        <view
+          wx:for="{{frontLabels}}"
+          wx:key="index"
+          class="chip-item {{frontSelectedMap[item] ? 'chip-item--active' : ''}}"
+          data-field="front"
+          data-value="{{item}}"
+          bindtap="onChipTap"
+        >{{item}}</view>
+      </view>
     </t-collapse-panel>
     <t-collapse-panel header="后端技术" value="{{2}}">
-      <t-checkbox-group t-class="box" borderless data-field="backend" bind:change="handleGroupChange" defaultValue="{{backendCurrent}}">
-        <block wx:for="{{backendLabels}}" wx:key="index">
-          <t-checkbox t-class="t-class-text" icon="rectangle" block="{{false}}" value="{{item}}" label="{{item}}" />
-        </block>
-      </t-checkbox-group>
+      <view class="chip-list">
+        <view
+          wx:for="{{backendLabels}}"
+          wx:key="index"
+          class="chip-item {{backendSelectedMap[item] ? 'chip-item--active' : ''}}"
+          data-field="backend"
+          data-value="{{item}}"
+          bindtap="onChipTap"
+        >{{item}}</view>
+      </view>
     </t-collapse-panel>
   </t-collapse>
 
diff --git a/frontend/miniapp/pages/developer/join/index.wxss b/frontend/miniapp/pages/developer/join/index.wxss
index e6ae58a..b55627e 100644
--- a/frontend/miniapp/pages/developer/join/index.wxss
+++ b/frontend/miniapp/pages/developer/join/index.wxss
@@ -170,10 +170,34 @@ page view {
   padding-left: 32rpx;
 }
 
-.t-class-text {
-  margin-right: 15rpx;
+/* ================= 技能胶囊多选（横排自动换行） ================= */
+.chip-list {
+  display: flex;
+  flex-wrap: wrap;
+  margin-right: -20rpx;
 }
 
-.t-checkbox__icon--left {
-  margin-right: 3rpx !important;
+.chip-item {
+  box-sizing: border-box;
+  max-width: 100%;
+  padding: 14rpx 36rpx;
+  margin: 0 20rpx 20rpx 0;
+  border: 2rpx solid var(--border-level-1);
+  border-radius: var(--radius-round);
+  background: var(--bg-grey);
+  font-size: 28rpx;
+  line-height: 44rpx;
+  color: var(--text-primary);
+  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
+}
+
+.chip-item:active {
+  opacity: 0.8;
+}
+
+.chip-item--active {
+  background: var(--brand-light);
+  border-color: var(--brand);
+  color: var(--brand);
+  font-weight: 500;
 }
\ No newline at end of file
diff --git a/frontend/miniapp/pages/goods/details/components/goods-specs-popup/index.js b/frontend/miniapp/pages/goods/details/components/goods-specs-popup/index.js
index 7e84c4c..25fffde 100644
--- a/frontend/miniapp/pages/goods/details/components/goods-specs-popup/index.js
+++ b/frontend/miniapp/pages/goods/details/components/goods-specs-popup/index.js
@@ -322,12 +322,5 @@ Component({
         buyNum,
       });
     },
-
-    handleBuyNumChange(e) {
-      const { value } = e.detail;
-      this.setData({
-        buyNum: value,
-      });
-    },
   },
 });
diff --git a/frontend/miniapp/pages/goods/details/components/goods-specs-popup/index.wxml b/frontend/miniapp/pages/goods/details/components/goods-specs-popup/index.wxml
index 59cb3aa..b24ff77 100644
--- a/frontend/miniapp/pages/goods/details/components/goods-specs-popup/index.wxml
+++ b/frontend/miniapp/pages/goods/details/components/goods-specs-popup/index.wxml
@@ -54,9 +54,8 @@
         <view class="popup-sku-stepper-container">
           <view class="popup-sku__stepper-title">
             购买数量
-            <view class="limit-text" wx:if="{{limitBuyInfo}}"> ({{limitBuyInfo}}) </view>
           </view>
-          <t-stepper value="{{buyNum}}" min="{{1}}" max="{{2}}" theme="filled" bind:change="handleBuyNumChange" />
+          <t-stepper value="{{1}}" min="{{1}}" max="{{1}}" disabled theme="filled" />
         </view>
       </view>
     </view>
diff --git a/frontend/miniapp/pages/goods/list/index.wxml b/frontend/miniapp/pages/goods/list/index.wxml
index 0210781..3f3981f 100644
--- a/frontend/miniapp/pages/goods/list/index.wxml
+++ b/frontend/miniapp/pages/goods/list/index.wxml
@@ -29,7 +29,7 @@
     </view>
   </view>
   <view class="category-goods-list" wx:if="{{goodsList.length}}">
-    <goods-list wr-class="wr-goods-list" goodsList="{{goodsList}}" bind:click="gotoGoodsDetail" />
+    <goods-list wr-class="wr-goods-list" goodsList="{{goodsList}}" show-buy="{{true}}" bind:click="gotoGoodsDetail" />
   </view>
   <view class="empty-wrap" wx:if="{{goodsList.length === 0 && hasLoaded}}">
     <t-empty t-class="empty-tips" size="240rpx" description="暂无相关产品" />
diff --git a/frontend/miniapp/pages/order/after-service-list/api.js b/frontend/miniapp/pages/order/after-service-list/api.js
index 68bbf56..c630026 100644
--- a/frontend/miniapp/pages/order/after-service-list/api.js
+++ b/frontend/miniapp/pages/order/after-service-list/api.js
@@ -56,8 +56,6 @@ export const resp = {
           rightsStatusName: '已完成',
           rightsType: 20,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName: '大猫集团旗舰店',
           uid: '123',
@@ -239,8 +237,6 @@ export const resp = {
           rightsStatusName: '已审核',
           rightsType: 10,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName: '大猫集团旗舰店',
           uid: '123',
@@ -360,8 +356,6 @@ export const resp = {
           rightsStatusName: '已关闭',
           rightsType: 10,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName: '大猫集团旗舰店',
           uid: '123',
@@ -479,8 +473,6 @@ export const resp = {
           rightsStatusName: '已完成',
           rightsType: 10,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName:
             '大猫集团旗舰店-大猫集团旗舰店-大猫集团旗舰店-大猫集团旗舰店-大猫集团旗舰店-大猫集团旗舰店',
@@ -594,8 +586,6 @@ export const resp = {
           rightsStatusName: '已审核',
           rightsType: 10,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName: '大猫集团旗舰店',
           uid: '123',
@@ -709,8 +699,6 @@ export const resp = {
           rightsStatusName: '待审核',
           rightsType: 10,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName:
             '大猫集团旗舰店-大猫集团旗舰店-大猫集团旗舰店-大猫集团旗舰店-大猫集团旗舰店-大猫集团旗舰店-大猫集团旗舰店',
@@ -826,8 +814,6 @@ export const resp = {
           rightsStatusName: '已审核',
           rightsType: 10,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName: '大猫集团旗舰店',
           uid: '123',
@@ -941,8 +927,6 @@ export const resp = {
           rightsStatusName: '已审核',
           rightsType: 10,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName: '大猫集团旗舰店',
           uid: '123',
@@ -1055,8 +1039,6 @@ export const resp = {
           rightsStatusName: '已审核',
           rightsType: 10,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName: '大猫集团旗舰店',
           uid: '123',
@@ -1169,8 +1151,6 @@ export const resp = {
           rightsStatusName: '已审核',
           rightsType: 10,
           saasId: 123,
-          shippingFee: 99,
-          shippingFeeBear: 1,
           storeId: 123,
           storeName: '大猫集团旗舰店',
           uid: '123',
diff --git a/frontend/miniapp/pages/order/apply-service/index.js b/frontend/miniapp/pages/order/apply-service/index.js
index 78eadc9..9dd9621 100644
--- a/frontend/miniapp/pages/order/apply-service/index.js
+++ b/frontend/miniapp/pages/order/apply-service/index.js
@@ -154,10 +154,7 @@ Page({
           current: res.data.refundableAmount,
         },
         'serviceFrom.returnNum': res.data.numOfSku,
-        amountTip: `最多可申请退款¥ ${priceFormat(res.data.refundableAmount, 2)}，含发货运费¥ ${priceFormat(
-          res.data.shippingFeeIncluded,
-          2,
-        )}`,
+        amountTip: `最多可申请退款¥ ${priceFormat(res.data.refundableAmount, 2)}`,
         maxApplyNum: res.data.numOfSkuAvailable,
       });
     } catch (err) {
diff --git a/frontend/miniapp/pages/order/order-confirm/index.wxml b/frontend/miniapp/pages/order/order-confirm/index.wxml
index 75604fa..da005a7 100644
--- a/frontend/miniapp/pages/order/order-confirm/index.wxml
+++ b/frontend/miniapp/pages/order/order-confirm/index.wxml
@@ -26,16 +26,6 @@
       <text>商品总额</text>
       <price fill decimalSmaller wr-class="pay-item__right font-bold" price="{{settleDetailData.totalSalePrice || '0'}}" />
     </view>
-    <view class="pay-item">
-      <text>运费</text>
-      <view class="pay-item__right font-bold">
-        <block wx:if="{{settleDetailData.totalDeliveryFee && settleDetailData.totalDeliveryFee != 0}}">
-          +
-          <price fill decimalSmaller price="{{settleDetailData.totalDeliveryFee}}" />
-        </block>
-        <text wx:else>免运费</text>
-      </view>
-    </view>
     <view class="pay-item">
       <text>活动优惠</text>
       <view class="pay-item__right primary font-bold">
diff --git a/frontend/miniapp/pages/order/order-detail/index.wxml b/frontend/miniapp/pages/order/order-detail/index.wxml
index 75967fb..84bdd1f 100644
--- a/frontend/miniapp/pages/order/order-detail/index.wxml
+++ b/frontend/miniapp/pages/order/order-detail/index.wxml
@@ -11,16 +11,6 @@
           <text>商品总额</text>
           <price fill decimalSmaller wr-class="pay-item__right font-bold" price="{{order.totalAmount || '0'}}" />
         </view>
-        <!-- <view class="pay-item">
-          <text>运费666</text>
-          <view class="pay-item__right font-bold">
-            <block wx:if="{{order.freightFee}}">
-              +
-              <price fill decimalSmaller price="{{order.freightFee}}" />
-            </block>
-            <text wx:else>免运费</text>
-          </view>
-        </view> -->
         <view class="pay-item">
           <text>活动优惠</text>
           <view class="pay-item__right primary font-bold">
diff --git a/frontend/miniapp/pages/order/order-list/index.js b/frontend/miniapp/pages/order/order-list/index.js
index 3e6dd10..a485040 100644
--- a/frontend/miniapp/pages/order/order-list/index.js
+++ b/frontend/miniapp/pages/order/order-list/index.js
@@ -115,7 +115,6 @@ Page({
               })),
               buttons: order.buttonVOs || [],
               groupInfoVo: order.groupInfoVo,
-              freightFee: order.freightFee,
             };
           });
         }
diff --git a/frontend/miniapp/pages/order/order-list/index.wxml b/frontend/miniapp/pages/order/order-list/index.wxml
index 10e4802..1f92245 100644
--- a/frontend/miniapp/pages/order/order-list/index.wxml
+++ b/frontend/miniapp/pages/order/order-list/index.wxml
@@ -16,9 +16,6 @@
         <view class="price-total">
           <text>总价</text>
           <price fill price="{{order.totalAmount + ''}}" />
-          <text>，运费</text>
-          <price fill price="{{order.freightFee + ''}}" />
-          <text decode>&nbsp;</text>
           <text class="bold-price" decode="{{true}}">实付&nbsp;</text>
           <price fill class="real-pay" price="{{order.amount + ''}}" decimalSmaller />
         </view>
diff --git a/frontend/miniapp/pages/order/order-list/index.wxss b/frontend/miniapp/pages/order/order-list/index.wxss
index 28cf74d..aa87f34 100644
--- a/frontend/miniapp/pages/order/order-list/index.wxss
+++ b/frontend/miniapp/pages/order/order-list/index.wxss
@@ -81,6 +81,7 @@ wr-order-goods-card:not(:first-child) .wr-goods-card {
 }
 
 .price-total .bold-price {
+  margin-left: 24rpx;
   color: var(--text-primary);
   font-size: 28rpx;
   line-height: 40rpx;