diff --git a/track-uniapp/src/pages/login/login.vue b/track-uniapp/src/pages/login/login.vue
index 4315697..3973771 100644
--- a/track-uniapp/src/pages/login/login.vue
+++ b/track-uniapp/src/pages/login/login.vue
@@ -3,7 +3,7 @@
     <view class="header">
       <text class="logo">🏭</text>
       <text class="title">Track</text>
-      <text class="version">T1.0.2</text>
+      <text class="version">{{ appVersion }}</text>
     </view>
 
     <view class="form">
@@ -18,9 +18,18 @@
 </template>
 
 <script setup>
-import { ref } from "vue";
+import { ref, onMounted } from "vue";
 import { post } from "../../utils/request";
 
+// 🚀 动态版本号 — 热更新后自动变化
+const appVersion = ref("T1.0.2");
+onMounted(() => {
+  try {
+    const v = uni.getSystemInfoSync().appWgtVersion || uni.getSystemInfoSync().appVersion;
+    if (v) appVersion.value = v.startsWith("T") ? v : "T" + v;
+  } catch {}
+});
+
 const username = ref("");
 const password = ref("");
 const loading = ref(false);