diff --git a/conf/app.ini b/conf/app.ini
index 789f357fa..77b808611 100644
--- a/conf/app.ini
+++ b/conf/app.ini
@@ -166,6 +166,7 @@ SESSION_ID_HASHKEY =
 [picture]
 ; The place to picture data, either "server" or "qiniu", default is "server"
 SERVICE = server
+DISABLE_GRAVATAR = false
 
 [log]
 ; Either "console", "file", "conn", "smtp" or "database", default is "console"
diff --git a/models/user.go b/models/user.go
index e340eed44..27140cf1c 100644
--- a/models/user.go
+++ b/models/user.go
@@ -74,7 +74,9 @@ func (user *User) HomeLink() string {
 
 // AvatarLink returns the user gravatar link.
 func (user *User) AvatarLink() string {
-	if base.Service.EnableCacheAvatar {
+	if base.DisableGravatar {
+		return "/img/avatar_default.jpg"
+	} else if base.Service.EnableCacheAvatar {
 		return "/avatar/" + user.Avatar
 	}
 	return "//1.gravatar.com/avatar/" + user.Avatar
diff --git a/modules/base/conf.go b/modules/base/conf.go
index eab83d20a..126fd63d2 100644
--- a/modules/base/conf.go
+++ b/modules/base/conf.go
@@ -80,7 +80,8 @@ var (
 	SessionConfig   *session.Config
 	SessionManager  *session.Manager
 
-	PictureService string
+	PictureService  string
+	DisableGravatar bool
 
 	EnableRedis    bool
 	EnableMemcache bool
@@ -345,7 +346,9 @@ func NewConfigContext() {
 	LogInRememberDays = Cfg.MustInt("security", "LOGIN_REMEMBER_DAYS")
 	CookieUserName = Cfg.MustValue("security", "COOKIE_USERNAME")
 	CookieRememberName = Cfg.MustValue("security", "COOKIE_REMEMBER_NAME")
+
 	PictureService = Cfg.MustValue("picture", "SERVICE")
+	DisableGravatar = Cfg.MustBool("picture", "DISABLE_GRAVATAR", false)
 
 	// Determine and create root git reposiroty path.
 	homeDir, err := com.HomeDir()
diff --git a/routers/admin/admin.go b/routers/admin/admin.go
index 14128c8c2..2d5bdaff2 100644
--- a/routers/admin/admin.go
+++ b/routers/admin/admin.go
@@ -169,6 +169,7 @@ func Config(ctx *middleware.Context) {
 	ctx.Data["SessionConfig"] = base.SessionConfig
 
 	ctx.Data["PictureService"] = base.PictureService
+	ctx.Data["DisableGravatar"] = base.DisableGravatar
 
 	ctx.Data["LogMode"] = base.LogMode
 	ctx.Data["LogConfig"] = base.LogConfig
diff --git a/templates/admin/config.tmpl b/templates/admin/config.tmpl
index 08a68ae10..8ba6b60cd 100644
--- a/templates/admin/config.tmpl
+++ b/templates/admin/config.tmpl
@@ -181,6 +181,8 @@
                 <dl class="dl-horizontal admin-dl-horizontal">
                     <dt>Picture Service</dt>
                     <dd>{{.PictureService}}</dd>
+                    <dt>Disable Gravatar</dt>
+                    <dd><i class="fa fa{{if .DisableGravatar}}-check{{end}}-square-o"></i></dd>
                 </dl>
             </div>
         </div>