diff --git a/Open-IM-Server b/Open-IM-Server
deleted file mode 160000
index 47a5d3010..000000000
--- a/Open-IM-Server
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 47a5d3010a16e5b9bca0f54e3d21921b5db64c0f
diff --git a/script/docker_check_service.sh b/script/docker_check_service.sh
index 235fad353..87ed75802 100644
--- a/script/docker_check_service.sh
+++ b/script/docker_check_service.sh
@@ -3,7 +3,7 @@ echo "docker-compose ps..........................."
 docker-compose ps
 
 echo "check OpenIM, waiting 30s...................."
-sleep 30
+sleep 60
 
 echo "check OpenIM................................"
 ./check_all.sh