Fixed bug that scout cannot work when using elasticsearch(which version is less than 7) without index. (#6384)

CHANGELOG-3.1.md

@@ -4,6 +4,7 @@
 
 - [#6372](https://github.com/hyperf/hyperf/pull/6372) Fixed bug that AOP not working when using variadic parameters.
 - [#6374](https://github.com/hyperf/hyperf/pull/6374) Fixed bug that `RateLimitAnnotationAspect::getWeightingAnnotation()` cannot work when using config `rate_limit.storage`.
+- [#6384](https://github.com/hyperf/hyperf/pull/6384) Fixed bug that `scout` cannot work when using elasticsearch(which version is less than 7) without index.
 
 ## Added
 

src/scout/src/Engine/ElasticsearchEngine.php

@@ -66,6 +66,7 @@ class ElasticsearchEngine extends Engine
                 $update = [
                     '_id' => $model->getKey(),
                     '_index' => $model->searchableAs(),
+                    ...$this->appendType(),
                 ];
             }
             $params['body'][] = ['update' => $update];
@@ -97,6 +98,7 @@ class ElasticsearchEngine extends Engine
                 $delete = [
                     '_id' => $model->getKey(),
                     '_index' => $model->searchableAs(),
+                    ...$this->appendType(),
                 ];
             }
             $params['body'][] = ['delete' => $delete];
@@ -287,4 +289,15 @@ class ElasticsearchEngine extends Engine
             return [$order['column'] => $order['direction']];
         })->toArray();
     }
+
+    protected function appendType(): array
+    {
+        if (version_compare(static::$version, '7.0.0', '<')) {
+            return [
+                '_type' => 'doc',
+            ];
+        }
+
+        return [];
+    }
 }