diff --git a/.teamcity/requirements.txt b/.teamcity/requirements.txt
index 8ed94543532fee0c02b048a36dba05832ae3d161..4cd77073614710e3fd3bd39efdcbf9b0c601e93a 100644
--- a/.teamcity/requirements.txt
+++ b/.teamcity/requirements.txt
@@ -1,4 +1,5 @@
 # requirements for unittest
+rarfile==3.1
 paddlepaddle-gpu==1.6.1.post97
 gym
 details
diff --git a/parl/remote/scripts.py b/parl/remote/scripts.py
index 51cf3cabf7cb3a3dba0cc3d0d00a7ad55406b4f8..cbae1ccf2059c8cab6da934984db466e4f54ad88 100644
--- a/parl/remote/scripts.py
+++ b/parl/remote/scripts.py
@@ -88,7 +88,9 @@ def is_log_server_started(ip_address, port):
                 started = True
                 break
         except:
-            time.sleep(3)
+            pass
+        time.sleep(3)
+        click.echo("Checking status of log_server...")
     return started