diff --git a/core/function/function_core.php b/core/function/function_core.php
index f8c6dcf..f508b43 100644
--- a/core/function/function_core.php
+++ b/core/function/function_core.php
@@ -628,6 +628,11 @@ function isemail($email)
     return strlen($email) > 6 && strlen($email) <= 32 && preg_match("/^([A-Za-z0-9\-_.+]+)@([A-Za-z0-9\-]+[.][A-Za-z0-9\-.]+)$/", $email);
 }
 
+function isphone($phone)
+{
+    return preg_match("/^1[3456789]\d{9,10}$/", $phone);
+}
+
 function quescrypt($questionid, $answer)
 {
     return $questionid > 0 && $answer != '' ? substr(md5($answer . md5($questionid)), 16, 8) : '';
diff --git a/user/function/function_user.php b/user/function/function_user.php
index 7287f20..82a5057 100644
--- a/user/function/function_user.php
+++ b/user/function/function_user.php
@@ -23,7 +23,9 @@ function uc_user_login($username, $password, $isuid, $checkques = '', $questioni
 
     } elseif ($isuid == 2) {
         $user = C::t('user')->fetch_by_email($username);
-    } else {
+    } elseif ($isuid == 3) {//手机号码登录
+        $user = C::t('user')->fetch_by_phone($username);
+    }else {
         $user = C::t('user')->fetch_by_username($username);
     }
 
@@ -61,6 +63,8 @@ function userlogin($username, $password, $questionid = '', $answer = '', $loginf
             $return['ucresult'] = uc_user_login($username, $password, 1, 1, $questionid, $answer, $ip);
         } elseif (isemail($username)) {
             $return['ucresult'] = uc_user_login($username, $password, 2, 1, $questionid, $answer, $ip);
+        } elseif (isphone($username)) {
+            $return['ucresult'] = uc_user_login($username, $password, 3, 1, $questionid, $answer, $ip);
         }
         if ($return['ucresult'][0] <= 0 && $return['ucresult'][0] != -3) {
             $return['ucresult'] = uc_user_login(addslashes($username), $password, 0, 1, $questionid, $answer, $ip);
diff --git a/user/language/zh-cn/lang.php b/user/language/zh-cn/lang.php
index db6536c..835e6b0 100644
--- a/user/language/zh-cn/lang.php
+++ b/user/language/zh-cn/lang.php
@@ -98,7 +98,7 @@ $lang=array (
   'other_login' => '其他登录',
   'qq_login' => 'QQ登录',
   'automatic_login_within_thirtydays' => '30天内自动登录',
-  'email_username' => '邮箱或用户名',
+  'email_username' => '邮箱、用户名或手机号',
   'binding_for_account' => '绑定已有账号',
   'register_new_account_bound' => '注册新账号并绑定',
   'register_new_account' => '注册新账号',