diff --git a/src/main/java/love/sola/netsupport/api/Error.java b/src/main/java/love/sola/netsupport/api/Error.java
index 3ce2978..80ca350 100644
--- a/src/main/java/love/sola/netsupport/api/Error.java
+++ b/src/main/java/love/sola/netsupport/api/Error.java
@@ -11,10 +11,10 @@ import static love.sola.netsupport.config.Lang.lang;
 public class Error {
 
 	public static final Error ALREADY_SUBMITTED = new Error(1);
-	public static final Error OK = new Error(0);
+	public static final Object OK = new Object();
 	public static final Error PARAMETER_REQUIRED = new Error(-1);
 	public static final Error ILLEGAL_PARAMETER = new Error(-2);
-	public static final Error REQUEST_FAILED = new Error(-3);
+//	public static final Error REQUEST_FAILED = new Error(-3); REMOVED
 	public static final Error LENGTH_LIMIT_EXCEEDED = new Error(-4);
 	public static final Error INVALID_PARAMETER = new Error(-5);
 	public static final Error USER_NOT_FOUND = new Error(-11);
diff --git a/src/main/java/love/sola/netsupport/api/Login.java b/src/main/java/love/sola/netsupport/api/Login.java
index f38f871..973a49f 100644
--- a/src/main/java/love/sola/netsupport/api/Login.java
+++ b/src/main/java/love/sola/netsupport/api/Login.java
@@ -86,7 +86,7 @@ public class Login extends HttpServlet {
 			return sid;
 		} catch (Exception e) {
 			e.printStackTrace();
-			return Error.REQUEST_FAILED;
+			return Error.INTERNAL_ERROR;
 		}
 	}
 }
\ No newline at end of file
diff --git a/src/main/java/love/sola/netsupport/auth/OAuth2.java b/src/main/java/love/sola/netsupport/auth/OAuth2.java
new file mode 100644
index 0000000..093d3d8
--- /dev/null
+++ b/src/main/java/love/sola/netsupport/auth/OAuth2.java
@@ -0,0 +1,51 @@
+package love.sola.netsupport.auth;
+
+import love.sola.netsupport.util.Checker;
+import love.sola.netsupport.wechat.WechatSession;
+import love.sola.netsupport.wechat.WxMpServlet;
+import me.chanjar.weixin.common.session.WxSession;
+import me.chanjar.weixin.mp.api.WxMpService;
+import me.chanjar.weixin.mp.bean.result.WxMpOAuth2AccessToken;
+import me.chanjar.weixin.mp.bean.result.WxMpUser;
+
+import javax.servlet.AsyncContext;
+import javax.servlet.ServletException;
+import javax.servlet.annotation.WebServlet;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+/**
+ * ***********************************************
+ * Created by Sola on 2014/8/20.
+ * Don't modify this source without my agreement
+ * ***********************************************
+ */
+@WebServlet(name = "OAuth2", urlPatterns = "/oauth2/callback", loadOnStartup = 21)
+public class OAuth2 extends HttpServlet {
+
+	@Override
+	protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+		AsyncContext acxt = req.startAsync();
+		String code = req.getParameter("code");
+		String state = req.getParameter("state");
+		if (Checker.hasNull(code, state)) {
+			resp.sendError(HttpServletResponse.SC_FORBIDDEN);
+			return;
+		}
+		acxt.start(() -> {
+			try {
+				WxMpService wxMpService = WxMpServlet.instance.wxMpService;
+				WxMpOAuth2AccessToken token = wxMpService.oauth2getAccessToken(code);
+				WxMpUser wxUser = wxMpService.oauth2getUserInfo(token, "zh_CN");
+				String sid = WechatSession.genId();
+				WxSession session = WechatSession.get(sid, true);
+			} catch (Exception e) {
+				e.printStackTrace();
+			}
+		});
+
+	}
+
+}
diff --git a/src/main/resources/lang.yml b/src/main/resources/lang.yml
index 6eed633..aafdf3c 100644
--- a/src/main/resources/lang.yml
+++ b/src/main/resources/lang.yml
@@ -57,13 +57,13 @@ Operator_Info: |
 
                   若以上信息有误，请及时联系@15-排污-沙子森。
 #URL
-User_Register_Link: 'http://topaz.sinaapp.com/nm/v1/reg.html?token={0}'
-User_Query_Link: 'http://topaz.sinaapp.com/nm/v1/list.html?token={0}'
-User_Submit_Link: 'http://topaz.sinaapp.com/nm/v1/rrepair.html?token={0}&name={1}&isp={2}&room={3}&block={4}&phone={5,number,#}'
-User_Profile_Link: 'http://topaz.sinaapp.com/nm/v1/modi.html?token={0}&name={1}&isp={2}&username={3}&block={4}&room={5}&phone={6,number,#}'
-Result_Page: 'http://topaz.sinaapp.com/nm/v1/result.html'
-Operator_Home_Page: '<a href="http://topaz.sinaapp.com/nm/v1/man/home.html?token={0}">CLICK HERE</a>'
-Operator_Login_Page: 'http://topaz.sinaapp.com/nm/v1/man/login.html?pkey={0}'
+User_Register_Link: 'http://topaz.sinaapp.com/nm/v2/user/reg.html?token={0}'
+User_Query_Link: 'http://topaz.sinaapp.com/nm/v2/user/list.html?token={0}'
+User_Submit_Link: 'http://topaz.sinaapp.com/nm/v2/user/rrepair.html?token={0}&name={1}&isp={2}&room={3}&block={4}&phone={5,number,#}'
+User_Profile_Link: 'http://topaz.sinaapp.com/nm/v2/user/modi.html?token={0}&name={1}&isp={2}&username={3}&block={4}&room={5}&phone={6,number,#}'
+Result_Page: 'http://topaz.sinaapp.com/nm/v2/result.html'
+Operator_Home_Page: '<a href="http://topaz.sinaapp.com/nm/v2/man/home.html?token={0}">CLICK HERE</a>'
+Operator_Login_Page: 'http://topaz.sinaapp.com/nm/v2/man/login.html?pkey={0}'
 
 #Localized
 #Status