diff --git a/data/cncity/100000.txt b/data/cncity/100000.txt
index 76f37510..4381f7bb 100644
--- a/data/cncity/100000.txt
+++ b/data/cncity/100000.txt
@@ -399,7 +399,8 @@
 45.249.16.0/20
 45.249.32.0/21
 45.249.112.0/22
-45.249.188.0/22
+45.249.189.0/24
+45.249.190.0/23
 45.249.192.0/20
 45.249.210.0/23
 45.250.12.0/22
diff --git a/data/cncity/510000.txt b/data/cncity/510000.txt
index d30e41f4..bddd05fd 100644
--- a/data/cncity/510000.txt
+++ b/data/cncity/510000.txt
@@ -235,6 +235,7 @@
 45.40.240.0/20
 45.112.232.0/22
 45.122.0.0/22
+45.249.188.0/24
 47.108.0.0/15
 49.221.144.0/21
 49.221.152.0/24
diff --git a/data/cncity/510100.txt b/data/cncity/510100.txt
index 1caa1247..2274d012 100644
--- a/data/cncity/510100.txt
+++ b/data/cncity/510100.txt
@@ -220,6 +220,7 @@
 45.40.240.0/20
 45.112.232.0/22
 45.122.0.0/22
+45.249.188.0/24
 47.108.0.0/15
 49.221.144.0/21
 49.221.152.0/24
diff --git a/data/country/CN/CN-SC.txt b/data/country/CN/CN-SC.txt
index d30e41f4..bddd05fd 100644
--- a/data/country/CN/CN-SC.txt
+++ b/data/country/CN/CN-SC.txt
@@ -235,6 +235,7 @@
 45.40.240.0/20
 45.112.232.0/22
 45.122.0.0/22
+45.249.188.0/24
 47.108.0.0/15
 49.221.144.0/21
 49.221.152.0/24