Bug fix: the wrong default 'auto_sync_interval' value.
@@ -25,7 +25,7 @@ manager_cluster = "127.0.0.1:2379"
#heartbeat that sync synchronizes client's endpoints with the known endpoints from the etcd membership,unit is second.
#<=0, use default 30s
-auto_sync_interval = 30
+auto_sync_interval = 30s
read_header_timeout = 60s
read_timeout = 60s
