fix: 站点输入框placeholder从API码改为中文标签（公众号而非GONGZH）

frontend/src/views/module_payment/account/index.vue

@@ -136,7 +136,7 @@
                   <el-checkbox v-for="s in SITE_TYPE_OPTIONS" :key="s.value" :label="s.value">{{ s.label }}</el-checkbox>
                 </el-checkbox-group>
                 <div v-for="st in onboardSiteTypes" :key="st" style="margin-top: 8px">
-                  <el-input v-model="onboardSites[st]" :placeholder="'请输入' + st + '地址'" style="width: 300px" />
+                  <el-input v-model="onboardSites[st]" :placeholder="'请输入' + (SITE_TYPE_OPTIONS.find(s => s.value === st)?.label || st) + '地址'" style="width: 300px" />
                 </div>
               </el-form-item>
               <el-form-item>