diff --git a/app/controllers/account_controller.rb b/app/controllers/account_controller.rb
index 87c028354..2cf404ffb 100644
--- a/app/controllers/account_controller.rb
+++ b/app/controllers/account_controller.rb
@@ -125,7 +125,7 @@ class AccountController < ApplicationController
           #register_by_email_activation(@user)
           unless @user.new_record?
             flash[:notice] = l(:notice_account_register_done)
-            render action: 'email_valid', locals: {:mail => user.mail}
+            render action: 'email_valid', locals: {:mail => @user.mail}
           end
         when '3'
           #register_automatically(@user)
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 6ab757336..052df384e 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -333,13 +333,21 @@ class ProjectsController < ApplicationController
   end
 
   def send_mail_to_member
-    unless params[:mail].nil?
+
+    if !params[:mail].nil? && User.find_by_mail(params[:mail].to_s).nil?
       email = params[:mail]
       Mailer.send_invite_in_project(email, @project, User.current).deliver
+      @is_zhuce =false
+    else
+      @is_zhuce = true
+    end
+    respond_to do |format|
+      format.js
     end
   end
   #发送邮件邀请新用户
   def invite_members_by_mail
+    @is_zhuce =false
     respond_to do |format|
       format.html
       format.js
diff --git a/app/views/projects/_invite_members_by_mail.html.erb b/app/views/projects/_invite_members_by_mail.html.erb
index 68ab6fae4..42a36bce0 100644
--- a/app/views/projects/_invite_members_by_mail.html.erb
+++ b/app/views/projects/_invite_members_by_mail.html.erb
@@ -4,6 +4,9 @@
   <div class="box_main">
     <h3 class="box_h3">发送邮件邀请新用户</h3>
     <p class="box_p">输入好友邮箱地址，Trustie帮您免费发送！</p>
+    <div id="is_registed">
+      <%= render :partial => 'regested', locals: { :isregisted => false} %>
+    </div>
     <%= form_tag('send_mail_to_member', :controller => 'projects',:action => 'send_mail_to_member', method: 'get',:remote=>true) do %>
     <ul>
       <li >
diff --git a/app/views/projects/_regested.html.erb b/app/views/projects/_regested.html.erb
new file mode 100644
index 000000000..97f418254
--- /dev/null
+++ b/app/views/projects/_regested.html.erb
@@ -0,0 +1,3 @@
+<% if isregisted %>
+    <p style="color: #ff0000"><%= l(:notice_registed_success) %></p>
+<% end %>
\ No newline at end of file
diff --git a/app/views/projects/send_mail_to_member.js.erb b/app/views/projects/send_mail_to_member.js.erb
new file mode 100644
index 000000000..21b097c65
--- /dev/null
+++ b/app/views/projects/send_mail_to_member.js.erb
@@ -0,0 +1 @@
+$("#is_registed").html("<%= escape_javascript(  render :partial => 'regested', locals: {:isregisted => @is_zhuce})%>")
\ No newline at end of file
diff --git a/config/locales/zh.yml b/config/locales/zh.yml
index 2763a59ad..8437557ad 100644
--- a/config/locales/zh.yml
+++ b/config/locales/zh.yml
@@ -181,6 +181,7 @@ zh:
   notice_successful_create: 创建成功
   notice_successful_update: 更新成功
   notice_successful_delete: 删除成功
+  notice_registed_success: 该邮箱已被注册，请直接邀请注册用户
   notice_failed_delete: 删除失败
   notice_successful_connection: 连接成功
   notice_successful_join: 加入成功