update

Signed-off-by: junjie.jiang <junjie.jiang@zilliz.com>

milvus_client.py

@@ -1,5 +1,5 @@
 from pymilvus import connections, Collection
-from towhee.operator import PyOperator
+from towhee.operator import PyOperator, SharedType
 import uuid
 
 
@@ -81,6 +81,10 @@ class MilvusClient(PyOperator):
             row.extend([hit.id, hit.score])
             if 'output_fields' in self.kwargs:
                 for k in self.kwargs['output_fields']:
-                 row.append(hit.entity._row_data[k])
+                 row.append(hit.entity.get(k))
             result.append(row)
         return result
+
+    @property
+    def shared_type(self):
+        return SharedType.Shareable