diff --git a/CRDT-RELEASENOTES b/CRDT-RELEASENOTES
index 77a37e15c..8cdc5cfbf 100644
--- a/CRDT-RELEASENOTES
+++ b/CRDT-RELEASENOTES
@@ -9,6 +9,16 @@ MODERATE: Program an upgrade of the server, but it's not urgent.
 HIGH:     There is a critical bug that may affect a subset of users. Upgrade!
 CRITICAL: There is a critical bug affecting MOST USERS. Upgrade ASAP.
 --------------------------------------------------------------------------------
+================================================================================
+XRedis-CRDT 1.0.4  Released Tue Jun  9 15:58:31 CST 2020
+================================================================================
+Upgrade urgency LOW: Compared with the previous version, there are some improvements, mainly:
+Major things:
+* fix free crdtServer backlog bug when slave turning into master
+* speed up set, mset and hset command 
+* added namespace attribute to limit the scope of peer replication
+* add module memory statistics
+
 ================================================================================
 XRedis-CRDT 1.0.3  Released Tue Jun  9 15:58:31 CST 2020
 ================================================================================
diff --git a/package.sh b/package.sh
index 92dfc146b..dc8eb847e 100755
--- a/package.sh
+++ b/package.sh
@@ -1,5 +1,5 @@
 APP=xredis-crdt
-Version=1.0.3
+Version=1.0.4
 Package=$APP-$Version
 
 find . -name ctrip.h -exec sed -i "s/XREDIS_CRDT_VERSION \"\(.*\)\"/XREDIS_CRDT_VERSION \"$Version\"/" {} \;
diff --git a/src/ctrip.h b/src/ctrip.h
index 0985c7414..d30baa92a 100644
--- a/src/ctrip.h
+++ b/src/ctrip.h
@@ -8,7 +8,7 @@
 #ifndef SRC_CTRIP_H_
 #define SRC_CTRIP_H_
 
-#define XREDIS_CRDT_VERSION "1.0.3"
+#define XREDIS_CRDT_VERSION "1.0.4"
 #define CONFIG_DEFAULT_SLAVE_REPLICATE_ALL 0
 
 void xslaveofCommand(client *c);
diff --git a/src/server.c b/src/server.c
index 5d7f3e10f..1ba49dbb0 100644
--- a/src/server.c
+++ b/src/server.c
@@ -294,7 +294,7 @@ struct redisCommand redisCommandTable[] = {
 //    {"evalsha",evalShaCommand,-3,"s",0,evalGetKeys,0,0,0,0,0},
     {"slowlog",slowlogCommand,-2,"a",0,NULL,0,0,0,0,0},
 //    {"script",scriptCommand,-2,"s",0,NULL,0,0,0,0,0},
-//    {"time",timeCommand,1,"RF",0,NULL,0,0,0,0,0},
+   {"time",timeCommand,1,"RF",0,NULL,0,0,0,0,0},
 //    {"bitop",bitopCommand,-4,"wm",0,NULL,2,-1,1,0,0},
 //    {"bitcount",bitcountCommand,-2,"r",0,NULL,1,1,1,0,0},
 //    {"bitpos",bitposCommand,-3,"r",0,NULL,1,1,1,0,0},
diff --git a/tests/ctrip/basic/basic_crdt_type.tcl b/tests/ctrip/basic/basic_crdt_type.tcl
index 46280b001..4b7a1b8b1 100644
--- a/tests/ctrip/basic/basic_crdt_type.tcl
+++ b/tests/ctrip/basic/basic_crdt_type.tcl
@@ -778,6 +778,7 @@ proc basic_test { type create check delete} {
                     
                     wait [lindex $peers 1] 0 crdt.info [lindex $peer_stdouts 0]
                     wait [lindex $peers 0] 0 crdt.info [lindex $peer_stdouts 1]
+                    after 1000
                     run [replace [replace_client $check {[lindex $peers 2]}] $argv2] 1
                 }
                 test [format "%s-before-del" $type] {
diff --git a/tests/ctrip/basic/basic_crdt_type_del.tcl b/tests/ctrip/basic/basic_crdt_type_del.tcl
index c9500b6a9..558bc69cf 100644
--- a/tests/ctrip/basic/basic_crdt_type_del.tcl
+++ b/tests/ctrip/basic/basic_crdt_type_del.tcl
@@ -88,7 +88,7 @@ proc basic_test { type create check delete} {
                 run [replace [replace_client $check {[lindex $peers 0]}] $add1] 1
                 set delete1 {key field {} 1 100000 {"1:12;2:11"} }
                 [lindex $peers 0] del key
-                after 500
+                after 1000
                 run [replace [replace_client $check {[lindex $peers 1]}] $delete1] 1
                 run [replace [replace_client $create {[lindex $peers 1]}] $add1] 1
                 run [replace [replace_client $check {[lindex $peers 1]}] $delete1] 1
diff --git a/tests/ctrip/basic/basic_type.tcl b/tests/ctrip/basic/basic_type.tcl
index 954a90ac3..fe9f0a80f 100644
--- a/tests/ctrip/basic/basic_type.tcl
+++ b/tests/ctrip/basic/basic_type.tcl
@@ -82,12 +82,12 @@ proc basic_test { type create check delete} {
             wait [lindex $peers 0] 0 crdt.info
             test [format "%s-peerof-create" $type] {
                 run [replace [replace_client $create {[lindex $peers 0]}] $argv] 1
-                after 500
+                after 1000
                 run [replace [replace_client $check {[lindex $peers 1]}] $argv] 1
             }
             test [format "%s-peerof-del" $type] {
                 run [replace [replace_client $delete {[lindex $peers 0]}] $argv] 1
-                after 500
+                after 1000
                 set result {key, field, {}}
                 run [replace [replace_client $check {[lindex $peers 1]}] $result] 1
             }
diff --git a/tests/ctrip/master-not-crdt/crdt_replid_reuse.tcl b/tests/ctrip/master-not-crdt/crdt_replid_reuse.tcl
index 8a3d54b64..ac5b4506d 100644
--- a/tests/ctrip/master-not-crdt/crdt_replid_reuse.tcl
+++ b/tests/ctrip/master-not-crdt/crdt_replid_reuse.tcl
@@ -97,7 +97,7 @@ start_redis [list overrides [list repl-diskless-sync-delay 1  ]] {
                 [lindex $slave 1] slaveof [lindex $slave_hosts 0] [lindex $slave_ports 0]
                 wait [lindex $slave 0] 0 info [lindex $slave_stdouts 1]
                 [lindex $slave 0] slaveof no one 
-                after 1000
+                after 2000
                 assert_equal [get_info_replication_attr_value [lindex $slave 0] crdt.info master_replid] [get_info_replication_attr_value [lindex $slave 1] crdt.info master_replid]
                 assert_equal [get_info_replication_attr_value [lindex $slave 0] crdt.info master_replid2] [get_info_replication_attr_value [lindex $slave 1] crdt.info master_replid2]
                 #print_log_file [lindex $slave_stdouts 1] 
diff --git a/tests/ctrip/unit/crdt_command.tcl b/tests/ctrip/unit/crdt_command.tcl
index 41db923b2..c1e5b9ce9 100644
--- a/tests/ctrip/unit/crdt_command.tcl
+++ b/tests/ctrip/unit/crdt_command.tcl
@@ -124,8 +124,8 @@ start_server {tags {"crdt-command"} overrides {crdt-gid 1} config {crdt.conf} mo
     test "hgetall" {
         test "hgetall a" {
             r hset a b c d e 
-            r hgetall a 
-        } {b c d e}
+            lsort [r hgetall a]
+        } [lsort {b c d e}]
         test "hgetall b" {
             r hgetall b
         } {}
@@ -139,8 +139,8 @@ start_server {tags {"crdt-command"} overrides {crdt-gid 1} config {crdt.conf} mo
     test "hkeys" {
         test "hkeys a" {
             r hset a b c d e 
-            r hkeys a 
-        } {b d}
+            lsort [r hkeys a]
+        } [lsort {b d}]
         test "hkeys b" {
             r hkeys b
         } {}
@@ -154,8 +154,8 @@ start_server {tags {"crdt-command"} overrides {crdt-gid 1} config {crdt.conf} mo
     test "hvals" {
         test "hvals a" {
             r hset a b c d e 
-            r hvals a 
-        } {c e}
+            lsort [r hvals a]
+        } [lsort {c e}]
         test "hvals b" {
             r hvals b
         } {}
diff --git a/tests/ctrip/unit/module_memory.tcl b/tests/ctrip/unit/module_memory.tcl
index 2e979f194..665019eb3 100644
--- a/tests/ctrip/unit/module_memory.tcl
+++ b/tests/ctrip/unit/module_memory.tcl
@@ -88,9 +88,12 @@ start_server {tags {"repl"} config {crdt.conf} overrides {crdt-gid 1 repl-diskle
     [lindex $peers 0] config set repl-diskless-sync-delay 1
     test "kv" {
         set m [get_module_all_memory [lindex $peers 0]]
+        set before_dataset [get_dataset [lindex $peers 0]]
         [lindex $peers 0] set k v
         set m1 [get_module_all_memory [lindex $peers 0]]
         assert {$m1 > 0}
+        puts  [[lindex $peers 0] crdt.memory]
+        puts  [expr [get_dataset [lindex $peers 0]] - $before_dataset]
         [lindex $peers 0] crdt.set k v1 2 [clock milliseconds] 2:1 
         set m2 [get_module_all_memory [lindex $peers 0]]
         assert {$m2 > $m1}
diff --git a/tests/test_crdt.tcl b/tests/test_crdt.tcl
index 5955c503b..67dbb0261 100644
--- a/tests/test_crdt.tcl
+++ b/tests/test_crdt.tcl
@@ -44,7 +44,6 @@ set ::all_tests {
     ctrip/unit/aof
 
     ctrip/unit/expire
-    ctrip/basic/basic_crdt_type_del
     ctrip/integration/composite/master-slave-failover
     ctrip/unit/crdt_publish
     ctrip/integration/master-slave/rdb3