diff --git a/.breakpoints b/.breakpoints
index 8e94592..9c0c6a5 100644
--- a/.breakpoints
+++ b/.breakpoints
@@ -3,9 +3,9 @@
     "main.py": [
       {
         "id": "0e650fa4-e0c0-491d-8fb7-30fe08386e78",
-        "line": 25,
-        "version": 1862,
-        "index": 715
+        "line": 27,
+        "version": 1863,
+        "index": 764
       }
     ]
   }
diff --git a/main.py b/main.py
index fc7974f..fcd6f00 100644
--- a/main.py
+++ b/main.py
@@ -4,9 +4,11 @@ import urllib.request
 import urllib.parse
 num = 1
 
-
-githubip = urllib.request.urlopen('https://api.github.com/meta')
-githubip = str(githubip.read())
+try:
+  githubip = urllib.request.urlopen('https://api.github.com/meta')
+  githubip = str(githubip.read())
+except:
+  print('无法访问GitHub-API，请检查网络。')
 
 try:
   os.system("wget https://github.com/timqian/chinese-independent-blogs/raw/master/blogs-original.csv -O ./blogs-original.csv")
@@ -32,7 +34,7 @@ else:
         isfind = githubip.find(ip_head)
         if isfind != -1 :
           f.write(domain+"\n")
-          print(domain+" is on GH-page!")
+          print(domain+" 是GH-Pages!")
       except:
         continue
   os.system("rm blogs-original.csv -rf")
\ No newline at end of file
diff --git a/single-check.py b/single-check.py
new file mode 100644
index 0000000..ce2f821
--- /dev/null
+++ b/single-check.py
@@ -0,0 +1,26 @@
+import socket
+import urllib.request
+import urllib.parse
+
+try:
+  githubip = urllib.request.urlopen('https://api.github.com/meta')
+  githubip = str(githubip.read())
+except:
+  print('无法访问GitHub-API，请检查网络。')
+else:
+    print('请输入域名/链接')
+    line = input()
+    line = line.replace(" ", "")
+    res = urllib.parse.urlparse(line)
+    domain = res.netloc
+    try:
+      ip = socket.gethostbyname(domain)
+      ip = ip.split('.')
+      ip_head = ip[0]+'.'+ip[1]+'.'+ip[2]
+      isfind = githubip.find(ip_head)
+      if isfind != -1 :
+        print(domain+" 是GH-Pages!")
+      else:
+        print(domain+" 不是GH-Pages!")
+    except:
+      print('错误: DNS无法解析或其它问题。')
\ No newline at end of file