diff --git a/config/locales/server.zh_CN.yml b/config/locales/server.zh_CN.yml
index 3e9bb040530..6c40fa93b89 100644
--- a/config/locales/server.zh_CN.yml
+++ b/config/locales/server.zh_CN.yml
@@ -62,12 +62,18 @@ zh_CN:
         name: "分类名称"
       post:
         raw: "内容"
+      user:
+        email: "电子邮箱"
     errors:
       models:
         topic:
           attributes:
             archetype:
               cant_send_pm: "抱歉，你不能向该用户发送私信。"
+        user:
+          attributes:
+            email:
+              taken: "已经被使用"
 
   user_profile:
     no_info_me: "<div class='missing-profile'>你的介绍信息中，“关于我”部分目前还是空白，<a href='/users/%{username_lower}/preferences'>介绍一下你自己，好不好？</a></div>"
diff --git a/config/locales/server.zh_TW.yml b/config/locales/server.zh_TW.yml
index 5f1f6be8d27..7a38085f3f3 100644
--- a/config/locales/server.zh_TW.yml
+++ b/config/locales/server.zh_TW.yml
@@ -62,12 +62,18 @@ zh_TW:
         name: "分類名稱"
       post:
         raw: "內容"
+      user:
+        email: "電子郵箱"
     errors:
       models:
         topic:
           attributes:
             archetype:
               cant_send_pm: "抱歉，你不能向該用戶發送私信。"
+        user:
+          attributes:
+            email:
+              taken: "已經被使用"
 
   user_profile:
     no_info_me: "<div class='missing-profile'>你的介紹信息中，“關于我”部分目前還是空白，<a href='/users/%{username_lower}/preferences'>介紹一下你自己，好不好？</a></div>"