diff --git a/application/admin/model/User.php b/application/admin/model/User.php
index 822c81b1743d5623f582f1d6d7bb2a64b99045d1..ed1f343e9c0e1df075116bd057c1639937aff760 100644
--- a/application/admin/model/User.php
+++ b/application/admin/model/User.php
@@ -70,19 +70,22 @@ class User extends Model
 
     public function getPrevtimeTextAttr($value, $data)
     {
-        $value = $value ? $value : $data['prevtime'];
+        $prevtime = isset($data['prevtime']) ? $data['prevtime'] : "";
+        $value = $value ? $value : $prevtime;
         return is_numeric($value) ? date("Y-m-d H:i:s", $value) : $value;
     }
 
     public function getLogintimeTextAttr($value, $data)
     {
-        $value = $value ? $value : $data['logintime'];
+        $logintime = isset($data['logintime']) ? $data['logintime'] : "";
+        $value = $value ? $value : $logintime;
         return is_numeric($value) ? date("Y-m-d H:i:s", $value) : $value;
     }
 
     public function getJointimeTextAttr($value, $data)
     {
-        $value = $value ? $value : $data['jointime'];
+        $jointime = isset($data['jointime']) ? $data['jointime'] : "";
+        $value = $value ? $value : $jointime;
         return is_numeric($value) ? date("Y-m-d H:i:s", $value) : $value;
     }