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 f9c04db7..708ea0ac 100644
--- a/mobile/src/main/java/com/github/shadowsocks/bg/LocalSocketListener.kt
+++ b/mobile/src/main/java/com/github/shadowsocks/bg/LocalSocketListener.kt
@@ -41,25 +41,22 @@ abstract class LocalSocketListener(protected val tag: String) : Thread() {
      * Inherited class do not need to close input/output streams as they will be closed automatically.
      */
     protected abstract fun accept(socket: LocalSocket)
-    override final fun run() {
-        Thread.sleep(500)
-        LocalSocket().use { localSocket ->
-            val serverSocket = try {
-                localSocket.bind(LocalSocketAddress(socketFile.absolutePath, LocalSocketAddress.Namespace.FILESYSTEM))
-                LocalServerSocket(localSocket.fileDescriptor)
+    override final fun run() = LocalSocket().use { localSocket ->
+        val serverSocket = try {
+            localSocket.bind(LocalSocketAddress(socketFile.absolutePath, LocalSocketAddress.Namespace.FILESYSTEM))
+            LocalServerSocket(localSocket.fileDescriptor)
+        } catch (e: IOException) {
+            Log.e(tag, "unable to bind", e)
+            return
+        }
+        while (running) {
+            try {
+                serverSocket.accept()
             } catch (e: IOException) {
-                Log.e(tag, "unable to bind", e)
-                return
-            }
-            while (running) {
-                try {
-                    serverSocket.accept()
-                } catch (e: IOException) {
-                    Log.e(tag, "Error when accept socket", e)
-                    app.track(e)
-                    null
-                }?.use(this::accept)
-            }
+                Log.e(tag, "Error when accept socket", e)
+                app.track(e)
+                null
+            }?.use(this::accept)
         }
     }