diff --git a/modules/social/social.go b/modules/social/social.go
index 8406cd52cb..bdafae6902 100644
--- a/modules/social/social.go
+++ b/modules/social/social.go
@@ -39,6 +39,8 @@ func NewOauthService() {
 		return
 	}
 
+	oauth2.AppSubUrl = setting.AppSubUrl
+
 	setting.OauthService = &setting.Oauther{}
 	setting.OauthService.OauthInfos = make(map[string]*setting.OauthInfo)
 
diff --git a/routers/user/social.go b/routers/user/social.go
index 5d2f2027c4..a8a94a5c45 100644
--- a/routers/user/social.go
+++ b/routers/user/social.go
@@ -8,36 +8,28 @@ import (
 	"encoding/json"
 	"errors"
 	"fmt"
-	"net/url"
 	// "strings"
-	// "time"
+	"time"
 
 	"github.com/macaron-contrib/oauth2"
 
-	// "github.com/gogits/gogs/models"
+	"github.com/gogits/gogs/models"
 	"github.com/gogits/gogs/modules/log"
 	"github.com/gogits/gogs/modules/middleware"
 	"github.com/gogits/gogs/modules/setting"
 	"github.com/gogits/gogs/modules/social"
 )
 
-func extractPath(next string) string {
-	n, err := url.Parse(next)
-	if err != nil {
-		return setting.AppSubUrl + "/"
-	}
-	return n.Path
-}
-
 func SocialSignIn(ctx *middleware.Context) {
 	if setting.OauthService == nil {
 		ctx.Handle(404, "OAuth2 service not enabled", nil)
 		return
 	}
 
+	next := setting.AppSubUrl + "/user/login"
 	info := ctx.Session.Get(oauth2.KEY_TOKEN)
 	if info == nil {
-		ctx.Redirect(setting.AppSubUrl + "/user/login")
+		ctx.Redirect(next)
 		return
 	}
 
@@ -61,39 +53,39 @@ func SocialSignIn(ctx *middleware.Context) {
 	}
 	log.Info("social.SocialSignIn(social login): %s", ui)
 
-	// oa, err := models.GetOauth2(ui.Identity)
-	// switch err {
-	// case nil:
-	// 	ctx.Session.Set("uid", oa.User.Id)
-	// 	ctx.Session.Set("uname", oa.User.Name)
-	// case models.ErrOauth2RecordNotExist:
-	// 	raw, _ := json.Marshal(tk)
-	// 	oa = &models.Oauth2{
-	// 		Uid:      -1,
-	// 		Type:     connect.Type(),
-	// 		Identity: ui.Identity,
-	// 		Token:    string(raw),
-	// 	}
-	// 	log.Trace("social.SocialSignIn(oa): %v", oa)
-	// 	if err = models.AddOauth2(oa); err != nil {
-	// 		log.Error(4, "social.SocialSignIn(add oauth2): %v", err) // 501
-	// 		return
-	// 	}
-	// case models.ErrOauth2NotAssociated:
-	// 	next = setting.AppSubUrl + "/user/sign_up"
-	// default:
-	// 	ctx.Handle(500, "social.SocialSignIn(GetOauth2)", err)
-	// 	return
-	// }
+	oa, err := models.GetOauth2(ui.Identity)
+	switch err {
+	case nil:
+		ctx.Session.Set("uid", oa.User.Id)
+		ctx.Session.Set("uname", oa.User.Name)
+	case models.ErrOauth2RecordNotExist:
+		raw, _ := json.Marshal(tk)
+		oa = &models.Oauth2{
+			Uid:      -1,
+			Type:     connect.Type(),
+			Identity: ui.Identity,
+			Token:    string(raw),
+		}
+		log.Trace("social.SocialSignIn(oa): %v", oa)
+		if err = models.AddOauth2(oa); err != nil {
+			log.Error(4, "social.SocialSignIn(add oauth2): %v", err) // 501
+			return
+		}
+	case models.ErrOauth2NotAssociated:
+		next = setting.AppSubUrl + "/user/sign_up"
+	default:
+		ctx.Handle(500, "social.SocialSignIn(GetOauth2)", err)
+		return
+	}
 
-	// oa.Updated = time.Now()
-	// if err = models.UpdateOauth2(oa); err != nil {
-	// 	log.Error(4, "UpdateOauth2: %v", err)
-	// }
+	oa.Updated = time.Now()
+	if err = models.UpdateOauth2(oa); err != nil {
+		log.Error(4, "UpdateOauth2: %v", err)
+	}
 
-	// ctx.Session.Set("socialId", oa.Id)
-	// ctx.Session.Set("socialName", ui.Name)
-	// ctx.Session.Set("socialEmail", ui.Email)
-	// log.Trace("social.SocialSignIn(social ID): %v", oa.Id)
-	// ctx.Redirect(next)
+	ctx.Session.Set("socialId", oa.Id)
+	ctx.Session.Set("socialName", ui.Name)
+	ctx.Session.Set("socialEmail", ui.Email)
+	log.Trace("social.SocialSignIn(social ID): %v", oa.Id)
+	ctx.Redirect(next)
 }
diff --git a/templates/user/auth/signin.tmpl b/templates/user/auth/signin.tmpl
index 5474807714..78d6febb80 100644
--- a/templates/user/auth/signin.tmpl
+++ b/templates/user/auth/signin.tmpl
@@ -26,18 +26,16 @@
                 <button class="btn btn-green btn-large btn-radius">{{.i18n.Tr "sign_in"}}</button>&nbsp;&nbsp;&nbsp;&nbsp;
                 {{if not .IsSocialLogin}}<a href="{{AppSubUrl}}/user/forget_password">{{.i18n.Tr "auth.forget_password"}}</a>{{end}}
             </div>
-            {{if not .IsSocialLogin}}
             <div class="field">
                 <label></label>
                 <a href="{{AppSubUrl}}/user/sign_up">{{.i18n.Tr "auth.sign_up_now" | Str2html}}</a>
             </div>
-            {{if .OauthEnabled}}
+            {{if and (not .IsSocialLogin) .OauthEnabled}}
             <hr/>
             <div id="sign-social" class="text-center social-buttons">
                 {{template "ng/base/social" .}}
             </div>
             {{end}}
-            {{end}}
         </div>
     </form>
 </div>