diff --git a/unittest_python/unittest/unittest_self.py b/unittest_python/unittest/unittest_self.py
index 8f79ab3..3757311 100644
--- a/unittest_python/unittest/unittest_self.py
+++ b/unittest_python/unittest/unittest_self.py
@@ -37,7 +37,7 @@ http_insert_info_re          = "http connection insert success"
 http_hijack_info_re          = "http connection hijack success"
 http_block_info_re           = "http connection block success"
 
-wpr_dns_resolve  = ['cn.bing.com:443:192.168.253.131']
+wpr_dns_resolve  = ['cn.bing.com:443:192.0.2.131']
 
 class SSLCheckRequestBuild:
     def __init__(self):
@@ -285,7 +285,7 @@ class SslHttpRequestBuild:
         self.conn.close()
         if os.path.exists("/root/http_hijack.out"):
             os.remove("/root/http_hijack.out")
-        cmdtodo = 'curl %s -k -s --resolve cn.bing.com:443:192.168.253.131 -o /root/http_hijack.out' % URLHijack
+        cmdtodo = 'curl %s -k -s --resolve cn.bing.com:443:192.0.2.131 -o /root/http_hijack.out' % URLHijack
         optdl = os.popen(cmdtodo)
         if len(optdl.read()):
             optdl.close()