diff --git a/chinae2v4.txt b/chinae2v4.txt
index a5f64308..3db2a33c 100644
--- a/chinae2v4.txt
+++ b/chinae2v4.txt
@@ -5417,10 +5417,6 @@
 166.111.0.0/16
 167.189.0.0/16
 167.220.244.0/22
-168.159.144.0/21
-168.159.152.0/22
-168.159.156.0/23
-168.159.158.0/24
 168.160.0.0/17
 168.160.128.0/18
 168.160.192.0/19
diff --git a/chinae3v4.txt b/chinae3v4.txt
index 8ddd91ed..fcfb066d 100644
--- a/chinae3v4.txt
+++ b/chinae3v4.txt
@@ -5560,10 +5560,6 @@
 166.111.0.0/16
 167.189.0.0/16
 167.220.244.0/22
-168.159.144.0/21
-168.159.152.0/22
-168.159.156.0/23
-168.159.158.0/24
 168.160.0.0/17
 168.160.128.0/18
 168.160.192.0/19
diff --git a/index.html b/index.html
index de985ccb..50081cf6 100644
--- a/index.html
+++ b/index.html
@@ -4,7 +4,7 @@
  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  <meta name="Author" content="Made by 'tree'">
  <meta name="GENERATOR" content="tree v2.1.1 © 1996 - 2023 by Steve Baker, Thomas Moore, Francesc Rocher, Florian Sesser, Kyosuke Tokoro">
- <title>IP List - 2025-05-18</title>
+ <title>IP List - 2025-05-19</title>
  <style type="text/css">
   BODY { font-family : monospace, sans-serif;  color: black;}
   P { font-family : monospace, sans-serif; color: black; margin:0px; padding: 0px;}
@@ -24,7 +24,7 @@
  </style>
 </head>
 <body>
-	<h1>IP List - 2025-05-18</h1><p>
+	<h1>IP List - 2025-05-19</h1><p>
 	<a href="./">.</a><br>
 	├── <a href="./cf4.txt">cf4.txt</a><br>
 	├── <a href="./cf6.txt">cf6.txt</a><br>
diff --git a/unicom4.txt b/unicom4.txt
index cf81007d..dedd41b0 100644
--- a/unicom4.txt
+++ b/unicom4.txt
@@ -918,6 +918,10 @@
 163.177.0.0/16
 163.179.0.0/16
 163.204.0.0/16
+168.159.144.0/21
+168.159.152.0/22
+168.159.156.0/23
+168.159.158.0/24
 168.160.224.0/19
 171.34.0.0/15
 171.36.0.0/14