edit

lib/Base.php

@@ -214,7 +214,7 @@ class Base
                 }
 
                 if ($cur != $v['uid']) {
-                    if ($user['bind'] == 1 || $user['temp'] == 2 || $user['avatar'] || $v['uid'] < $cur) {
+                    if ($user['bind'] == 1 || $user['temp'] == 2 || $user['avatar'] || $user['mobile'] || $v['uid'] < $cur) {
                         $drop[$cur] = $cur;
                         $cur = $v['uid'];
                     } else {
@@ -260,6 +260,10 @@ class Base
                         $update['avatar'] = $old['avatar'];
                     }
 
+                    if (!$new['mobile']) {
+                        $update['mobile'] = $old['mobile'];
+                    }
+
                     if (!$new['area']) {
                         $update['area'] = $old['area'];
                     }