同步到es 改成批量

@@ -55,7 +55,8 @@ class BulkData {
      */
     public function toParams():array {
         $params = [];
-        foreach ($this->data as $index=>$item){
+        foreach ($this->data as $index=>$items){
+            foreach ($items as $item){
                 $params[] = [
                     'index' =>  [
                         '_index'    =>  $index,
@@ -64,6 +65,7 @@ class BulkData {
                 ];
                 $params[] = $item['_source'];
             }
+        }
         return $params;
     }