diff --git a/bin/light_backtask/config/backtask.cluster.json b/bin/light_backtask/config/light_backtask.cluster.json
similarity index 53%
rename from bin/light_backtask/config/backtask.cluster.json
rename to bin/light_backtask/config/light_backtask.cluster.json
index 34fec510..2c3d031d 100644
--- a/bin/light_backtask/config/backtask.cluster.json
+++ b/bin/light_backtask/config/light_backtask.cluster.json
@@ -1,6 +1,6 @@
 [
   {
     "instance_id": 1,
-    "http_listen_port": 9999
+    "http_listen_port": 9990
   }
 ]