update：新增扫码绑定失败界面

src/pages.json

@@ -156,6 +156,9 @@
         {
           "path": "device-bind-failure"
         },
+        {
+          "path": "device-already-bound"
+        },
         {
           "path": "device-intro"
         },

src/pages/device/composables/useDeviceBinding.js

@@ -18,6 +18,16 @@ export function useDeviceBinding({
     });
   };
 
+  const showAlreadyBoundPage = () => {
+    uni.navigateTo({
+      url: "/pages/device/device-already-bound",
+      fail: (error) => {
+        console.error("打开设备已绑定页失败", error);
+        uni.showToast({ title: "设备已绑定其他账号，请解绑后再绑定", icon: "none" });
+      },
+    });
+  };
+
   const handleScan = () => {
     uni.scanCode({
       onlyFromCamera: true,
@@ -45,10 +55,8 @@ export function useDeviceBinding({
       const result = await bindDeviceAPIV2(token.value);
       confirmBindTip.value = false;
       if (result?.binded) {
-        uni.showToast({
-          title: "设备已绑定其他账号，请解绑后再绑定",
-          icon: "none",
-        });
+        token.value = "";
+        showAlreadyBoundPage();
         return;
       }
       const deviceId = String(result?.deviceId || "").trim();

src/pages/device/device-already-bound.vue

@@ -0,0 +1,154 @@
+<script setup>
+import Container from "@/components/Container.vue";
+
+// 结果页从设备页进入，返回时优先保留原页面状态。
+const goBackToDevicePage = () => {
+  const pages = getCurrentPages();
+  if (pages.length > 1) {
+    uni.navigateBack({ delta: 1 });
+    return;
+  }
+  uni.redirectTo({ url: "/pages/device/my-device" });
+};
+
+// 回到设备页后复用其扫码绑定流程。
+const retryScan = () => {
+  const pages = getCurrentPages();
+  if (pages.length > 1) {
+    uni.navigateBack({
+      delta: 1,
+      success: () => uni.$emit("device-bind-retry-scan"),
+    });
+    return;
+  }
+  uni.redirectTo({ url: "/pages/device/my-device?retryScan=1" });
+};
+</script>
+
+<template>
+  <view class="device-already-bound-page">
+    <Container
+      :bgType="12"
+      bgColor="transparent"
+      :onBack="goBackToDevicePage"
+      headerClass="already-bound-header"
+      :scroll="false"
+      :usePageScroll="true"
+    >
+      <view class="already-bound-page">
+        <view class="already-bound-scene">
+          <view class="already-bound-hero-wrap">
+            <view class="already-bound-hero-shadow"></view>
+            <image
+              class="already-bound-hero"
+              src="/static/device-assets/device-already-bound-hero.png"
+              mode="aspectFit"
+            />
+          </view>
+          <view class="already-bound-message">
+            <text>该设备已经绑定了其他账号，</text>
+            <text>如需绑定本账号，请先解除绑定。</text>
+          </view>
+          <view class="already-bound-retry" @click="$clickSound(retryScan)">
+            <text>重新扫码</text>
+          </view>
+        </view>
+      </view>
+    </Container>
+  </view>
+</template>
+
+<style scoped lang="scss">
+.device-already-bound-page {
+  position: relative;
+  min-height: 100vh;
+  background: transparent;
+}
+
+.already-bound-header {
+  position: relative;
+  z-index: 20;
+  pointer-events: auto;
+}
+
+/* 与现有绑定结果页保持相同的 375 宽画布尺寸。 */
+.already-bound-page {
+  position: fixed;
+  top: 0;
+  left: 0;
+  z-index: 1;
+  width: 100%;
+  height: 100vh;
+  overflow: hidden;
+  pointer-events: none;
+}
+
+.already-bound-scene {
+  position: relative;
+  width: 100%;
+  height: 100%;
+}
+
+.already-bound-hero-wrap,
+.already-bound-message,
+.already-bound-retry {
+  position: absolute;
+}
+
+.already-bound-hero-wrap {
+  top: 568rpx;
+  left: 244rpx;
+  width: 260rpx;
+  height: 222rpx;
+}
+
+.already-bound-hero-shadow {
+  position: absolute;
+  left: 22rpx;
+  bottom: 0;
+  width: 238rpx;
+  height: 40rpx;
+  border-radius: 50%;
+  background: rgba(0, 0, 0, 0.3);
+}
+
+.already-bound-hero {
+  position: absolute;
+  top: 0;
+  left: 0;
+  width: 260rpx;
+  height: 222rpx;
+}
+
+.already-bound-message {
+  top: 804rpx;
+  left: 110rpx;
+  display: flex;
+  width: 530rpx;
+  flex-direction: column;
+  align-items: center;
+  color: #fff;
+  font-family: PingFang SC-Regular;
+  font-size: 28rpx;
+  line-height: 40rpx;
+  text-align: center;
+  white-space: nowrap;
+}
+
+.already-bound-retry {
+  top: 930rpx;
+  left: 195rpx;
+  display: flex;
+  width: 360rpx;
+  height: 70rpx;
+  box-sizing: border-box;
+  align-items: center;
+  justify-content: center;
+  border: 2rpx solid #ffd947;
+  border-radius: 78rpx;
+  color: #ffd947;
+  font-size: 26rpx;
+  line-height: 26rpx;
+  pointer-events: auto;
+}
+</style>