diff --git a/application/module/Westdc/Visual/DataTableControl.php b/application/module/Westdc/Visual/DataTableControl.php
index cb105990..c0d5bc75 100644
--- a/application/module/Westdc/Visual/DataTableControl.php
+++ b/application/module/Westdc/Visual/DataTableControl.php
@@ -27,7 +27,8 @@ class DataTableControl extends Database{
 
     public function readFields($tableName)
     {
-        $sql = "select COLUMN_NAME from INFORMATION_SCHEMA.COLUMNS where TABLE_NAME='$tableName'";
+        $st=explode('.',$tablename);
+        $sql = "select COLUMN_NAME from INFORMATION_SCHEMA.COLUMNS where table_schema='".$st[0]."' and TABLE_NAME='".$st[1]."'";
         $rs = $this->db->query($sql);
         return $rs->fetchAll(\PDO::FETCH_COLUMN);
     }