consumerm模块完成度90%，完善消费者和商家端数据库表，商品、聊天、订单数据对接好了supabase，和商家端对接了聊天功能，安卓端编译通过了css样式，剩余几个页面在处理函数规范问题

pages/mall/consumer/withdraw.uvue

@@ -117,14 +117,19 @@ const loadData = async () => {
              let cardNum = ''
              
              if (item instanceof UTSJSONObject) {
-                 id = item.getString('id') || ''
-                 bankName = item.getString('bank_name') || ''
-                 cardNum = item.getString('card_number') || ''
+                 id = item.getString('id') ?? ''
+                 bankName = item.getString('bank_name') ?? ''
+                 cardNum = item.getString('card_number') ?? ''
              } else {
                  const m = item as Map<string, any>
-                 id = (m.get('id') as string) || ''
-                 bankName = (m.get('bank_name') as string) || ''
-                 cardNum = (m.get('card_number') as string) || ''
+                 const idVal = m.get('id')
+                 id = idVal != null ? (idVal as string) : ''
+                 
+                 const nameVal = m.get('bank_name')
+                 bankName = nameVal != null ? (nameVal as string) : ''
+                 
+                 const numVal = m.get('card_number')
+                 cardNum = numVal != null ? (numVal as string) : ''
              }
 
              if (id != '') {
@@ -207,7 +212,7 @@ const submitWithdraw = async () => {
 <style scoped>
 .page-container {
     background-color: #f5f5f5;
-    min-height: 100vh;
+    flex: 1; /* Fixed 100vh issue */
     padding: 20px;
 }
 .card {
@@ -230,7 +235,14 @@ const submitWithdraw = async () => {
 .bank-info {
     display: flex;
     align-items: center;
-    gap: 10px;
+    /* gap removed */
+}
+.bank-name {
+    margin-right: 10px;
+    font-weight: bold;
+}
+.card-type {
+    margin-right: 10px;
 }
 .placeholder {
     color: #999;
@@ -242,7 +254,7 @@ const submitWithdraw = async () => {
     font-size: 14px;
     color: #666;
     margin-bottom: 10px;
-    display: block;
+    /* display: block removed */
 }
 .input-wrapper {
     display: flex;
@@ -329,6 +341,6 @@ const submitWithdraw = async () => {
     padding: 15px 0;
     text-align: center;
     color: #5785e5;
-    font-weight: 500;
+    font-weight: bold;
 }
 </style>