diff -Naur corosync-2.4.5/conf/corosync.conf.example corosync-2.4.5-new/conf/corosync.conf.example
--- corosync-2.4.5/conf/corosync.conf.example	2019-08-16 17:30:52.306726801 +0800
+++ corosync-2.4.5-new/conf/corosync.conf.example	2019-08-16 17:33:25.687567471 +0800
@@ -9,6 +9,19 @@
 	crypto_cipher: none
 	crypto_hash: none
 
+	# How long before declaring a token lost (ms)
+	token:          5000
+	
+	# How many token retransmits before forming a new configuration
+	token_retransmits_before_loss_const: 10
+
+	# How long to wait for join messages in the membership protocol (ms)
+	join:           60
+
+	# Number of messages that may be sent by one processor on
+	# receipt of the token
+	max_messages:   20	
+
 	# Limit generated nodeids to 31-bits (positive signed integers)
 	# you would set it to 'yes', the new option 'new' means wiping 
 	# off the highest bit in network order to avoid possible nodeid