diff --git a/main.py b/main.py
new file mode 100644
index 0000000..4a1852c
--- /dev/null
+++ b/main.py
@@ -0,0 +1,32 @@
+import os, time ,requests
+
+def network_test():
+    try:
+        html = requests.get("https://www.baidu.com",timeout=5)
+        print("{} network 200 , ok".format(time.ctime()))
+        return True
+    except:
+        print("{} network 403 , down".format(time.ctime()))
+        return False
+ 
+def network_restart():
+    print("重启en0")
+    return True
+
+def main():
+    i = 0
+    while(1):
+        if not network_test():
+            i +=1
+            print(i)
+            time.sleep(3)
+        else:
+            time.sleep(10)
+        if (i > 2):
+            network_restart()
+            time.sleep(10)
+            i = 0
+if __name__ == "__main__":
+     main()
+
+