diff --git a/app/controller/api/Dictionary.php b/app/controller/api/Dictionary.php
index 2c1d09e..b128669 100644
--- a/app/controller/api/Dictionary.php
+++ b/app/controller/api/Dictionary.php
@@ -54,7 +54,7 @@ class Dictionary extends Base
         $order = [];
 
         if ($lng && $lat) {
-            $field[] = "abs( (IFNULL(lat,0) - {$lng})  *  (IFNULL(lng,0) - {$lat})  ) as square";
+            $field[] = "abs( (IFNULL(lat,0) - {$lat})  *  (IFNULL(lng,0) - {$lng})  ) as square";
             $order["square"] = "asc";
         }