diff --git a/test/class/user.class.php b/test/class/user.class.php
index 5faf0b9749..74d15feb0c 100755
--- a/test/class/user.class.php
+++ b/test/class/user.class.php
@@ -530,6 +530,13 @@ class userTest
         return $myObjects;
     }
 
+    /**
+     * Test clean user locked time.
+     *
+     * @param  string $account
+     * @access public
+     * @return string
+     */
     public function cleanLockedTest($account)
     {
         global $tester;
@@ -545,6 +552,28 @@ class userTest
         return $result;
     }
 
+    /**
+     * Test unbind Ranzhi.
+     *
+     * @param  string $account
+     * @access public
+     * @return string
+     */
+    public function unbindTest($account)
+    {
+        global $tester;
+
+        $this->objectModel->unbind($account);
+
+        if(dao::isError()) return dao::getError();
+
+        $ranzhi = $tester->dao->select('ranzhi')->from(TABLE_USER)->where('account')->eq($account)->fetch('ranzhi');
+
+        $result = empty($ranzhi) ? 'success' : 'fail';
+
+        return $result;
+    }
+
     /**
      * Test get contact list.
      *
diff --git a/test/model/user/cleanlocked.php b/test/model/user/cleanlocked.php
index ac45875632..91ebb63a00 100755
--- a/test/model/user/cleanlocked.php
+++ b/test/model/user/cleanlocked.php
@@ -4,14 +4,12 @@ include dirname(dirname(dirname(__FILE__))) . '/lib/init.php';
 include dirname(dirname(dirname(__FILE__))) . '/class/user.class.php';
 su('admin');
 
-$now = date('Y-m-d H:i:s');
-
 $user = zdTable('user');
 $user->id->range('1-10');
 $user->account->range('admin,user1,user2,user3,user4,user5,user6,user7,user8,user9');
 $user->password->range('a0933c1218a4e745bacdcf572b10eba7');
 $user->realname->range('1-10')->prefix('用户');
-$user->locked->range("[0000-00-00 00:00:00]{5},$now{5}");
+$user->locked->range("20230110 143412")->type('timestamp')->format('YY/MM/DD hh:mm:ss');
 $user->gen(10);
 
 /**
diff --git a/test/model/user/unbind.php b/test/model/user/unbind.php
new file mode 100755
index 0000000000..8128acf1b8
--- /dev/null
+++ b/test/model/user/unbind.php
@@ -0,0 +1,33 @@
+#!/usr/bin/env php
+<?php
+include dirname(dirname(dirname(__FILE__))) . '/lib/init.php';
+include dirname(dirname(dirname(__FILE__))) . '/class/user.class.php';
+su('admin');
+
+$now = date('Y-m-d H:i:s');
+
+$user = zdTable('user');
+$user->id->range('1-10');
+$user->account->range('admin,user1,user2,user3,user4,user5,user6,user7,user8,user9');
+$user->password->range('a0933c1218a4e745bacdcf572b10eba7');
+$user->realname->range('1-10')->prefix('用户');
+$user->ranzhi->range('admin,user1,user2,user3,user4,user5,user6,user7,user8,user9');
+$user->gen(10);
+
+/**
+
+title=测试 userModel->unbind();
+cid=1
+pid=1
+
+获取user7对应的然之用户，重置为空 >> success
+获取不存在的用户的对应的然之用户，返回空 >> success
+
+*/
+
+$user = new userTest();
+$userLocked   = $user->unbindTest('user7');
+$notExistUser = $user->unbindTest('test999');
+
+r($userLocked)   && p('') && e('success'); //获取user7对应的然之用户，重置为空
+r($notExistUser) && p('') && e('success');    //获取不存在的用户的对应的然之用户，返回空