diff --git a/china.txt b/china.txt
index 71e1fb96..58eefbc0 100644
--- a/china.txt
+++ b/china.txt
@@ -906,7 +906,7 @@
 103.29.136.0/22
 103.30.4.0/22
 103.30.148.0/22
-103.31.48.0/21
+103.31.48.0/22
 103.31.72.0/24
 103.31.200.0/22
 103.31.236.0/22
@@ -1364,7 +1364,6 @@
 103.215.140.0/22
 103.216.4.0/22
 103.216.152.0/22
-103.217.168.0/22
 103.218.216.0/22
 103.219.28.0/22
 103.219.32.0/21
@@ -1506,7 +1505,7 @@
 103.251.96.0/22
 103.251.124.0/22
 103.251.160.0/22
-103.251.204.0/22
+103.251.204.0/23
 103.251.240.0/22
 103.252.36.0/22
 103.252.172.0/22
@@ -2760,7 +2759,6 @@
 162.105.0.0/16
 163.0.0.0/16
 163.47.4.0/22
-163.53.8.0/22
 163.53.16.0/23
 163.53.18.0/24
 163.53.36.0/22
@@ -2770,7 +2768,7 @@
 163.53.100.0/22
 163.53.104.0/22
 163.53.128.0/22
-163.53.168.0/21
+163.53.168.0/22
 163.53.244.0/23
 163.53.247.0/24
 163.125.0.0/16
diff --git a/china6.txt b/china6.txt
index 48706dce..4245eb6c 100644
--- a/china6.txt
+++ b/china6.txt
@@ -114,8 +114,9 @@
 2401:89c0::/48
 2401:8d00::/46
 2401:8d00:4::/48
-2401:8d00:6::/47
-2401:8d00:8::/46
+2401:8d00:7::/48
+2401:8d00:8::/47
+2401:8d00:b::/48
 2401:8d00:c::/48
 2401:8d00:f::/48
 2401:8d00:10::/48
@@ -339,8 +340,7 @@
 2405:84c0:99f0::/44
 2405:84c0:9c00::/40
 2405:84c0:fa00::/40
-2405:84c0:ff10::/47
-2405:84c0:ff13::/48
+2405:84c0:ff10::/48
 2405:84c0:ff19::/48
 2405:84c0:ff25::/48
 2405:a3c0::/32
@@ -424,7 +424,6 @@
 2406:840:fd00::/46
 2406:840:fd07::/48
 2406:840:fd10::/48
-2406:840:fe00::/44
 2406:840:fef0::/48
 2406:840:fef3::/48
 2406:840:fef7::/48
@@ -788,7 +787,7 @@
 2408:8434::/30
 2408:8438::/31
 2408:843c::/30
-2408:8440::/32
+2408:8440::/31
 2408:8444::/30
 2408:8448::/32
 2408:844b::/32
diff --git a/stat b/stat
index 4c34b189..07ce9308 100644
--- a/stat
+++ b/stat
@@ -5,10 +5,10 @@ cernet6
 672727045
 
 china
-302403072
+302398464
 
 china6
-1654314698
+1654380214
 
 chinanet
 129970688
@@ -50,5 +50,5 @@ unicom
 73970688
 
 unicom6
-33058072
+33123608
 
diff --git a/unicom6.txt b/unicom6.txt
index a0f29d25..335c5cbd 100644
--- a/unicom6.txt
+++ b/unicom6.txt
@@ -336,7 +336,7 @@
 2408:8434::/30
 2408:8438::/31
 2408:843c::/30
-2408:8440::/32
+2408:8440::/31
 2408:8444::/30
 2408:8448::/32
 2408:844b::/32