修复一些问题

src/main/java/com/yg84/Login.java

@@ -22,7 +22,7 @@ public class Login {
         return WeixinApplication.weChat.sendMsg(name, content);
     }
 
-    @RequestMapping
+    @RequestMapping(value = "/getContact")
     public List<Contact> getContact() {
         return WeixinApplication.weChat.getContacts();
     }

src/main/java/com/yg84/weixin/WeChat.java

@@ -342,7 +342,7 @@ public class WeChat {
 //        if retcode == '0':
 //        return True
 //        return False
-        String[] hosts = new String[]{"webpush.","webpush2."};
+        String[] hosts = new String[]{"webpush."};
         for (String host : hosts) {
             SYNC_HOST = host + BASE_HOST;
             String retcode = sync();