diff --git a/app/src/main/java/com/shuwei/intelligent/shelves/activity/HomeActivity.kt b/app/src/main/java/com/shuwei/intelligent/shelves/activity/HomeActivity.kt
index 7cd493f..04d49e7 100644
--- a/app/src/main/java/com/shuwei/intelligent/shelves/activity/HomeActivity.kt
+++ b/app/src/main/java/com/shuwei/intelligent/shelves/activity/HomeActivity.kt
@@ -273,6 +273,9 @@ class HomeActivity : BaseActivity() {
      */
     private val noDataWatchdogTask = object : Runnable {
         override fun run() {
+            // 生命周期检查，防止 Activity 销毁后继续执行
+            if (isFinishing || isDestroyed) return
+
             val elapsed = System.currentTimeMillis() - lastDataReceivedTime
             if (elapsed >= 5 * 60 * 1000L) {
                 if (noDataWarningDialog == null) {