diff --git a/data/cncity/100000.txt b/data/cncity/100000.txt
index a82ef966..f2a7cfbd 100644
--- a/data/cncity/100000.txt
+++ b/data/cncity/100000.txt
@@ -17,7 +17,6 @@
 8.144.0.0/14
 8.148.0.0/19
 8.148.32.0/21
-8.148.40.0/24
 8.148.42.0/24
 8.148.44.0/22
 8.148.48.0/20
diff --git a/data/country/CN.txt b/data/country/CN.txt
index fb69b0f0..8b14a5f2 100644
--- a/data/country/CN.txt
+++ b/data/country/CN.txt
@@ -88,7 +88,6 @@
 8.144.0.0/14
 8.148.0.0/19
 8.148.32.0/21
-8.148.40.0/24
 8.148.42.0/24
 8.148.44.0/22
 8.148.48.0/20
diff --git a/data/isp/aliyun.txt b/data/isp/aliyun.txt
index 927b2596..913247d9 100644
--- a/data/isp/aliyun.txt
+++ b/data/isp/aliyun.txt
@@ -3,8 +3,7 @@
 8.132.0.0/14
 8.136.0.0/13
 8.148.32.0/21
-8.148.41.0/24
-8.148.42.0/23
+8.148.40.0/22
 8.152.0.0/13
 8.160.0.0/11
 8.208.0.0/12
diff --git a/data/special/china.txt b/data/special/china.txt
index d6e4c3bb..859bfd44 100644
--- a/data/special/china.txt
+++ b/data/special/china.txt
@@ -74,7 +74,6 @@
 8.144.0.0/14
 8.148.0.0/19
 8.148.32.0/21
-8.148.40.0/24
 8.148.42.0/24
 8.148.44.0/22
 8.148.48.0/20