diff --git a/library/think/db/builder/Sqlsrv.php b/library/think/db/builder/Sqlsrv.php
index ed961491..b97886ac 100644
--- a/library/think/db/builder/Sqlsrv.php
+++ b/library/think/db/builder/Sqlsrv.php
@@ -56,9 +56,8 @@ class Sqlsrv extends Builder
                 $array[] = $this->parseKey($key, $options, true) . ' ' . $sort;
             }
         }
-        $order = implode(',', $array);
 
-        return ' ORDER BY ' . $order;
+        return ' ORDER BY ' . implode(',', $array);
     }
 
     /**