diff --git a/mobile/src/main/java/com/github/shadowsocks/bg/LocalSocketListener.kt b/mobile/src/main/java/com/github/shadowsocks/bg/LocalSocketListener.kt
index d64c2d33..cee84b6c 100644
--- a/mobile/src/main/java/com/github/shadowsocks/bg/LocalSocketListener.kt
+++ b/mobile/src/main/java/com/github/shadowsocks/bg/LocalSocketListener.kt
@@ -42,7 +42,7 @@ abstract class LocalSocketListener(protected val tag: String) : Thread() {
      */
     protected abstract fun accept(socket: LocalSocket)
     override fun run() {
-        while (!socketFile.delete()) Thread.sleep(100)
+        Thread.sleep(500)
         try {
             val localSocket = LocalSocket()
             localSocket.bind(LocalSocketAddress(socketFile.absolutePath, LocalSocketAddress.Namespace.FILESYSTEM))