diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/App.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/App.kt
index 0d702e9..2b131ba 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/App.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/App.kt
@@ -9,7 +9,9 @@ import com.common.commonlib.db.entity.Warning
 import com.yinuo.safetywatcher.watcher.utils.LztekUtil
 import kotlinx.coroutines.DelicateCoroutinesApi
 import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.async
 import kotlinx.coroutines.launch
+import java.io.File
 
 @OptIn(DelicateCoroutinesApi::class)
 class App : CommonApplication() {
@@ -28,19 +30,35 @@ class App : CommonApplication() {
 
     private fun tryFixDbData() {
         GlobalScope.launch {
-            val warningDao = DBUtils.warningDao()
-            val warningList = warningDao.queryWarningsNoEndTime()
-            warningList?.apply {
-                forEach { warning ->
-                    warning.endTime = tryAssignment(warningDao, warning)
+            // 修复告警数据
+            async {
+                val warningDao = DBUtils.warningDao()
+                val warningList = warningDao.queryWarningsNoEndTime()
+                warningList?.apply {
+                    forEach { warning ->
+                        warning.endTime = tryAssignment(warningDao, warning)
+                    }
+                    warningDao.updateAll(warningList)
                 }
-                warningDao.updateAll(warningList)
-            }
+            }.await()
+
+            // 修复视频数据
+            async {
+                val videoDao = DBUtils.videoDao()
+                val videoList = videoDao.getAll()
+                videoList.apply {
+                    forEach { video ->
+                        if (!File(video.path).exists()) {
+                            videoDao.delete(video)
+                        }
+                    }
+                }
+            }.await()
         }
     }
 
     private suspend fun tryAssignment(warningDao: WarningDao, warning: Warning): Long {
         val latest = warningDao.findLatestByName(warning.gasName)
-        return latest?.endTime ?: System.currentTimeMillis()
+        return if (latest?.endTime!! > 0L) latest?.endTime else System.currentTimeMillis()
     }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HistoryVideoActivity.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HistoryVideoActivity.kt
index fd7d7b5..c22587f 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HistoryVideoActivity.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/ui/HistoryVideoActivity.kt
@@ -101,12 +101,11 @@ class HistoryVideoActivity : BaseActivity() {
             val videos = videoDao.getAllByTime(startTime, endTime)
 
             launch(Dispatchers.Main) {
-                val sortList = mutableListOf<Video>()
-                sortList.apply {
-                    addAll(videos)
-                    sortWith { o1, o2 ->
-                        (o2.time - o1.time).toInt()
-                    }
+                var sortList = mutableListOf<Video>()
+                sortList.addAll(videos)
+                sortList = sortList.filter { File(it.path).exists() } as MutableList<Video>
+                sortList.sortWith { o1, o2 ->
+                    (o2.time - o1.time).toInt()
                 }
                 mAdapter.setData(sortList)
             }
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt
index 144cba2..04b190b 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/utils/LztekUtil.kt
@@ -15,6 +15,7 @@ object LztekUtil {
 
     fun setObject(value: Lztek) {
         mLztek = value
+        mLztek?.hideNavigationBar()
     }
 
     fun getLztek(): Lztek? {