diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/db/AppDatabase.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/db/AppDatabase.kt
index 59b5a32..01f86a8 100644
--- a/app/src/main/java/com/yinuo/safetywatcher/watcher/db/AppDatabase.kt
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/db/AppDatabase.kt
@@ -6,6 +6,7 @@ import androidx.room.RoomDatabase
 import com.common.commonlib.CommonApplication
 import com.yinuo.safetywatcher.watcher.db.dao.GasDao
 import com.yinuo.safetywatcher.watcher.db.dao.GasTypeDao
+import com.yinuo.safetywatcher.watcher.db.dao.VideoDao
 import com.yinuo.safetywatcher.watcher.db.dao.WarningDao
 import com.yinuo.safetywatcher.watcher.db.entity.Gas
 import com.yinuo.safetywatcher.watcher.db.entity.GasType
@@ -20,6 +21,7 @@ abstract class AppDatabase : RoomDatabase() {
     abstract fun warningDao(): WarningDao
     abstract fun gasDao(): GasDao
     abstract fun gasTypeDao(): GasTypeDao
+    abstract fun videoDao(): VideoDao
 }
 
 object DBUtils {
@@ -41,4 +43,8 @@ object DBUtils {
     fun gasTypeDao(): GasTypeDao {
         return db.gasTypeDao()
     }
+
+    fun videoDao(): VideoDao {
+        return db.videoDao()
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/db/dao/VideoDao.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/db/dao/VideoDao.kt
new file mode 100644
index 0000000..c3b306e
--- /dev/null
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/db/dao/VideoDao.kt
@@ -0,0 +1,22 @@
+package com.yinuo.safetywatcher.watcher.db.dao
+
+import androidx.room.Dao
+import androidx.room.Delete
+import androidx.room.Insert
+import androidx.room.Query
+import com.yinuo.safetywatcher.watcher.db.entity.Video
+
+@Dao
+interface VideoDao {
+    @Query("SELECT * FROM video")
+    suspend fun getAll(): List<Video>
+
+    @Insert
+    suspend fun insert(gas: Video)
+
+    @Insert
+    suspend fun insertAll(types: List<Video>)
+
+    @Delete
+    suspend fun delete(gas: Video)
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/yinuo/safetywatcher/watcher/db/entity/Video.kt b/app/src/main/java/com/yinuo/safetywatcher/watcher/db/entity/Video.kt
new file mode 100644
index 0000000..c5ad4c4
--- /dev/null
+++ b/app/src/main/java/com/yinuo/safetywatcher/watcher/db/entity/Video.kt
@@ -0,0 +1,13 @@
+package com.yinuo.safetywatcher.watcher.db.entity
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity
+data class Video(
+    @ColumnInfo(name = "time") var time: Long,
+    @ColumnInfo(name = "file_name") var name: Long,
+    @ColumnInfo(name = "uploaded") var uploaded: Boolean = false,
+    @PrimaryKey @ColumnInfo(name = "file_path") var path: String
+)