diff --git a/web/src/mobile/styles.css b/web/src/mobile/styles.css
index f691d7e..e4eacf0 100644
--- a/web/src/mobile/styles.css
+++ b/web/src/mobile/styles.css
@@ -1856,7 +1856,7 @@ body {
   padding: 16px;
   color: var(--m-ink);
 }
-.m-bound-account > div:not(.m-bound-account-qr) {
+.m-bound-account > div {
   display: grid;
   gap: 6px;
 }
@@ -1867,23 +1867,6 @@ body {
   overflow-wrap: anywhere;
   font-weight: 500;
 }
-.m-bound-account-qr {
-  display: flex;
-  flex-wrap: wrap;
-  gap: 16px;
-}
-.m-bound-account-qr figure {
-  margin: 0;
-  text-align: center;
-  color: var(--m-muted);
-}
-.m-bound-account-qr img {
-  display: block;
-  width: 100px;
-  height: 100px;
-  margin-bottom: 6px;
-  object-fit: contain;
-}
 .m-bank-form-title {
   padding: 12px 0 0;
 }
diff --git a/web/src/mobile/views/FormView.vue b/web/src/mobile/views/FormView.vue
index 1d16c0c..36d47b1 100644
--- a/web/src/mobile/views/FormView.vue
+++ b/web/src/mobile/views/FormView.vue
@@ -60,10 +60,6 @@
         <div><span>银行名</span><strong>{{ account.bank_name }}</strong></div>
         <div><span>银行账户</span><strong>{{ account.account_no }}</strong></div>
         <div v-if="account.digital_rmb_code"><span>人民币编码</span><strong>{{ account.digital_rmb_code }}</strong></div>
-        <div v-if="safeImage(account.alipay_qr_url) || safeImage(account.wechat_qr_url)" class="m-bound-account-qr">
-          <figure v-if="safeImage(account.alipay_qr_url)"><img :src="safeImage(account.alipay_qr_url)" alt="支付宝收款码" /><figcaption>支付宝收款码</figcaption></figure>
-          <figure v-if="safeImage(account.wechat_qr_url)"><img :src="safeImage(account.wechat_qr_url)" alt="微信收款码" /><figcaption>微信收款码</figcaption></figure>
-        </div>
       </div>
     </section>
     <form class="m-plain-form m-bank-form" @submit.prevent="saveBank">
@@ -238,7 +234,7 @@
 </template>
 
 <script setup lang="ts">
-  import { computed, onMounted, reactive, ref } from 'vue';
+  import { computed, reactive, ref, watch } from 'vue';
   import { useRoute, useRouter } from 'vue-router';
   import {
     CardOutline,
@@ -286,6 +282,7 @@
     masked: boolean;
   }
   const paymentAccounts = ref<PaymentAccountDetail[]>([]);
+  let paymentAccountsLoadVersion = 0;
   const content = ref<any>();
   const resetPassword = ref('');
   const bank = reactive({
@@ -348,10 +345,14 @@
     }
   }
   async function loadPaymentAccounts() {
+    const version = ++paymentAccountsLoadVersion;
+    error.value = '';
+    paymentAccounts.value = [];
     try {
-      paymentAccounts.value = await request<PaymentAccountDetail[]>({ url: '/v1/payment-accounts/details' });
+      const accounts = await request<PaymentAccountDetail[]>({ url: '/v1/payment-accounts/details' });
+      if (version === paymentAccountsLoadVersion && formType.value === 'bank') paymentAccounts.value = accounts;
     } catch (err) {
-      error.value = errorText(err);
+      if (version === paymentAccountsLoadVersion && formType.value === 'bank') error.value = errorText(err);
     }
   }
   async function saveBank() {
@@ -509,9 +510,16 @@
       loading.value = false;
     }
   }
-  onMounted(() => {
-    if (formType.value === 'profile') loadProfile();
-    else if (formType.value === 'bank') loadPaymentAccounts();
-    else if (formType.value === 'content') loadContent();
-  });
+  watch(
+    () => [formType.value, String(route.params.key || '')],
+    ([type]) => {
+      paymentAccountsLoadVersion += 1;
+      error.value = '';
+      if (type !== 'content') content.value = undefined;
+      if (type === 'profile') void loadProfile();
+      else if (type === 'bank') void loadPaymentAccounts();
+      else if (type === 'content') void loadContent();
+    },
+    { immediate: true }
+  );
 </script>
diff --git a/web/src/mobile/views/SupportView.vue b/web/src/mobile/views/SupportView.vue
index 93ccdaa..16ae040 100644
--- a/web/src/mobile/views/SupportView.vue
+++ b/web/src/mobile/views/SupportView.vue
@@ -144,7 +144,7 @@
 </template>
 
 <script setup lang="ts">
-  import { computed, nextTick, onBeforeUnmount, onMounted, ref } from 'vue';
+  import { computed, nextTick, onBeforeUnmount, onMounted, ref, watch } from 'vue';
   import { useRoute } from 'vue-router';
   import {
     ChatbubbleEllipsesOutline,
@@ -214,6 +214,7 @@
   const sessionStartedAt = ref(new Date().toISOString());
   const messageList = ref<HTMLElement | null>(null);
   let chat: CustomerServiceChat | null = null;
+  let connectionVersion = 0;
   async function load() {
     loading.value = true;
     error.value = '';
@@ -224,7 +225,6 @@
       ]);
       services.value = serviceRows;
       me.value = profile;
-      if (isChat.value) await connectChat();
     } catch (err) {
       const message = errorText(err);
       error.value = message;
@@ -239,54 +239,79 @@
     if (status === 'busy') return '忙碌';
     return '离线留言';
   }
-  async function connectChat() {
-    const serviceID = Number(route.params.id);
-    if (!serviceID || chatLoading.value) return;
+  function disconnectChat() {
+    connectionVersion += 1;
     chat?.disconnect();
     chat = null;
-    chatLoading.value = true;
-    chatError.value = '';
     messages.value = [];
     historyBoundarySeq.value = 0;
+    chatLoading.value = false;
+    chatError.value = '';
+    draft.value = '';
+    sending.value = false;
+    mediaSending.value = false;
+    uploadProgress.value = 0;
+    toolsOpen.value = false;
+    emojiOpen.value = false;
+  }
+  async function connectChat() {
+    const serviceID = Number(route.params.id);
+    disconnectChat();
+    if (!serviceID) return;
+    const version = connectionVersion;
+    chatLoading.value = true;
     try {
       const session = await request<CustomerServiceSession>({
         url: `/v1/customer-services/${serviceID}/session`,
         method: 'POST',
         data: { device_id: deviceID(), platform: 'web', app_version: '1.0.0' },
       });
-      chat = new CustomerServiceChat(session, (rows) => {
+      if (version !== connectionVersion) return;
+      const nextChat = new CustomerServiceChat(session, (rows) => {
+        if (version !== connectionVersion) return;
         messages.value = rows;
         void scrollToBottom();
       });
-      await chat.connect(session.token);
+      chat = nextChat;
+      await nextChat.connect(session.token);
+      if (version !== connectionVersion) {
+        nextChat.disconnect();
+        return;
+      }
       // Tinode delivers cached topic history just after subscribe resolves.
       // Give that initial batch a brief window so it can be separated from the new session.
       await new Promise<void>((resolve) => window.setTimeout(resolve, 250));
+      if (version !== connectionVersion) return;
       historyBoundarySeq.value = messages.value.reduce((max, message) => Math.max(max, message.seq), 0);
       sessionStartedAt.value = new Date().toISOString();
     } catch (err) {
+      if (version !== connectionVersion) return;
       chat?.disconnect();
       chat = null;
       chatError.value = errorText(err);
     } finally {
-      chatLoading.value = false;
+      if (version === connectionVersion) chatLoading.value = false;
     }
   }
   async function sendMessage() {
     if (!chat || sending.value || !draft.value.trim()) return;
+    const activeChat = chat;
+    const version = connectionVersion;
     const value = draft.value;
     draft.value = '';
     toolsOpen.value = false;
     emojiOpen.value = false;
     sending.value = true;
     try {
-      await chat.send(value);
+      await activeChat.send(value);
+      if (version !== connectionVersion) return;
       await scrollToBottom();
     } catch (err) {
+      if (version !== connectionVersion) return;
       draft.value = value;
       chatError.value = errorText(err);
     } finally {
-      sending.value = false;
+      if (version === connectionVersion) sending.value = false;
     }
   }
   async function sendMedia(type: 'image' | 'video', event: Event) {
@@ -294,6 +319,8 @@
     const file = input.files?.[0];
     input.value = '';
     if (!file || !chat || mediaSending.value) return;
+    const activeChat = chat;
+    const version = connectionVersion;
     const maxSize = type === 'image' ? 10 * 1024 * 1024 : 50 * 1024 * 1024;
     if (!file.type.startsWith(`${type}/`)) {
       window.$message?.error(type === 'image' ? '请选择照片文件' : '请选择视频文件');
@@ -308,16 +335,21 @@
     mediaSending.value = true;
     uploadProgress.value = 0;
     try {
-      await chat.sendMedia(file, type, (progress) => {
+      await activeChat.sendMedia(file, type, (progress) => {
+        if (version !== connectionVersion) return;
         uploadProgress.value = Math.min(99, Math.round(progress * 100));
       });
+      if (version !== connectionVersion) return;
       uploadProgress.value = 100;
       await scrollToBottom();
     } catch (err) {
+      if (version !== connectionVersion) return;
       window.$message?.error(errorText(err));
     } finally {
-      mediaSending.value = false;
-      uploadProgress.value = 0;
+      if (version === connectionVersion) {
+        mediaSending.value = false;
+        uploadProgress.value = 0;
+      }
     }
   }
   function toggleTools() {
@@ -346,6 +378,10 @@
       hour12: false,
     }).format(new Date(value));
   }
+  watch(() => route.params.id, (serviceID) => {
+    if (serviceID) void connectChat();
+    else disconnectChat();
+  }, { immediate: true, flush: 'sync' });
   onMounted(load);
-  onBeforeUnmount(() => chat?.disconnect());
+  onBeforeUnmount(disconnectChat);
 </script>