diff --git a/conf/pika.conf b/conf/pika.conf
index 3e4492a762..5bc7509445 100644
--- a/conf/pika.conf
+++ b/conf/pika.conf
@@ -32,7 +32,7 @@ thread-pool-size : 12
 slow-cmd-thread-pool-size : 4
 
 # Slow cmd list e.g. hgetall, mset
-slow-cmd-list : 
+slow-cmd-list :
 
 # The number of sync-thread for data replication from master, those are the threads work on slave nodes
 # and are used to execute commands sent from master node when replicating.
@@ -51,13 +51,13 @@ db-path : ./db/
 # but this will generate heavier IO load when flushing from buffer to disk,
 # you should configure it based on you usage scenario.
 # Supported Units [K|M|G], write-buffer-size default unit is in [bytes].
-write-buffer-size : 268435456
+write-buffer-size : 256M
 
 # The size of one block in arena memory allocation.
 # If <= 0, a proper value is automatically calculated.
 # (usually 1/8 of writer-buffer-size, rounded up to a multiple of 4KB)
 # Supported Units [K|M|G], arena-block-size default unit is in [bytes].
-arena-block-size : 33554432
+arena-block-size :
 
 # Timeout of Pika's connection, counting down starts When there are no requests
 # on a connection (it enters sleep state), when the countdown reaches 0, the connection
@@ -72,12 +72,12 @@ timeout : 60
 # the value of userpass will be ignored and all users are considered as administrators,
 # in this scenario, users are not subject to the restrictions imposed by the userblacklist.
 # PS: "user password" refers to value of the parameter below: userpass.
-requirepass : 
+requirepass :
 
 # Password for replication verify, used for authentication when a slave
 # connects to a master to request replication.
 # [NOTICE] The value of this parameter must match the "requirepass" setting on the master.
-masterauth : 
+masterauth :
 
 # The [password of user], which is empty by default.
 # [NOTICE] If this user password is the same as admin password (including both being empty),
@@ -116,7 +116,7 @@ consensus-level : 0
 
 # The Prefix of dump file's name.
 # All the files that generated by command "bgsave" will be name with this prefix.
-dump-prefix : 
+dump-prefix :
 
 # daemonize  [yes | no].
 #daemonize : yes
@@ -184,7 +184,7 @@ db-sync-path : ./dbsync/
 # [NOTICE] If this parameter is set to an invalid value(smaller than 0 or bigger than 1024),
 # it will be automatically reset to 1024.
 # The default value of db-sync-speed is -1 (1024MB/s).
-db-sync-speed : 1024
+db-sync-speed : -1
 
 # The priority of slave node when electing new master node.
 # The slave node with [lower] value of slave-priority will have [higher priority] to be elected as the new master node.
@@ -363,7 +363,7 @@ max-bytes-for-level-multiplier : 10
 slotmigrate : no
 
 # slotmigrate thread num
-slotmigrate-thread-num : 4
+slotmigrate-thread-num : 8
 
 # thread-migrate-keys-num  1/8 of the write_buffer_size_
 thread-migrate-keys-num : 64
@@ -472,7 +472,7 @@ cache-num : 16
 # cache-model 0:cache_none 1:cache_read
 cache-model : 1
 # cache-type: string, set, zset, list, hash, bit
-cache-type : string,set,zset,list,hash,bit
+cache-type: string, set, zset, list, hash, bit
 
 # Maximum number of keys in the zset redis cache
 # On the disk DB, a zset field may have many fields. In the memory cache, we limit the maximum
@@ -503,10 +503,10 @@ cache-maxmemory : 10737418240
 cache-maxmemory-policy : 1
 
 # cache-maxmemory-samples
-cache-maxmemory-samples : 5
+cache-maxmemory-samples: 5
 
 # cache-lfu-decay-time
-cache-lfu-decay-time : 1
+cache-lfu-decay-time: 1
 
 
 # is possible to manage access to Pub/Sub channels with ACL rules as well. The
@@ -554,5 +554,3 @@ cache-lfu-decay-time : 1
 #
 # Example:
 # rename-command : FLUSHDB 360flushdb
-# Generated by CONFIG REWRITE
-run-id : 474141572feb8397e5f76e13f32b41a70a202fe6