diff --git a/app/api/logic/LoginLogic.php b/app/api/logic/LoginLogic.php
index 8cf6fafc0..9c0051239 100755
--- a/app/api/logic/LoginLogic.php
+++ b/app/api/logic/LoginLogic.php
@@ -49,6 +49,12 @@ class LoginLogic extends BaseLogic
     public static function register(array $params)
     {
         try {
+            // 手机号已被使用
+            $mobileUser = User::where(['account' => $params['account']])->find();
+            if (!empty($mobileUser)) {
+                self::setError('手机号已被注册');
+                return false;
+            }
             $count = User::where('company_id', $params['company_id'])->count();
             $value = DictData::where('id', 28)->value('value');
             if ($count >= $value) {