diff --git a/data/cncity/310000.txt b/data/cncity/310000.txt
index e174e1a2..b2a1620e 100644
--- a/data/cncity/310000.txt
+++ b/data/cncity/310000.txt
@@ -554,7 +554,7 @@
 103.237.28.0/23
 103.238.140.0/24
 103.238.180.0/23
-103.238.184.0/23
+103.238.184.0/22
 103.242.128.0/23
 103.242.168.0/23
 103.242.170.0/24
diff --git a/data/country/CN.txt b/data/country/CN.txt
index ec66fb14..be8849ac 100644
--- a/data/country/CN.txt
+++ b/data/country/CN.txt
@@ -2126,8 +2126,7 @@
 103.238.144.0/22
 103.238.160.0/22
 103.238.180.0/23
-103.238.184.0/23
-103.238.188.0/22
+103.238.184.0/21
 103.238.204.0/22
 103.239.44.0/22
 103.239.68.0/22
diff --git a/data/country/CN/CN-SH.txt b/data/country/CN/CN-SH.txt
index e174e1a2..b2a1620e 100644
--- a/data/country/CN/CN-SH.txt
+++ b/data/country/CN/CN-SH.txt
@@ -554,7 +554,7 @@
 103.237.28.0/23
 103.238.140.0/24
 103.238.180.0/23
-103.238.184.0/23
+103.238.184.0/22
 103.242.128.0/23
 103.242.168.0/23
 103.242.170.0/24
diff --git a/data/special/china.txt b/data/special/china.txt
index 8fe4954e..deb41f79 100644
--- a/data/special/china.txt
+++ b/data/special/china.txt
@@ -2112,8 +2112,7 @@
 103.238.144.0/22
 103.238.160.0/22
 103.238.180.0/23
-103.238.184.0/23
-103.238.188.0/22
+103.238.184.0/21
 103.238.204.0/22
 103.239.44.0/22
 103.239.68.0/22