diff --git a/app/src/main/java/io/legado/app/help/storage/BackupRestoreLock.kt b/app/src/main/java/io/legado/app/help/storage/BackupRestoreLock.kt
new file mode 100644
index 000000000..b14562bf6
--- /dev/null
+++ b/app/src/main/java/io/legado/app/help/storage/BackupRestoreLock.kt
@@ -0,0 +1,15 @@
+package io.legado.app.help.storage
+
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
+
+internal object BackupRestoreLock {
+
+    private val mutex = Mutex()
+
+    suspend fun <T> withLock(action: suspend () -> T): T {
+        return mutex.withLock {
+            action()
+        }
+    }
+}