diff --git a/pymilvus/client/entity_helper.py b/pymilvus/client/entity_helper.py
index 3e808d2a0..d66324610 100644
--- a/pymilvus/client/entity_helper.py
+++ b/pymilvus/client/entity_helper.py
@@ -46,6 +46,8 @@ def is_float_type(v: Any):
         for item in entity:
             if SciPyHelper.is_scipy_sparse(item):
                 return item.shape[0] == 1
+            if not isinstance(item, dict) and not isinstance(item, list):
+                return False
             pairs = item.items() if isinstance(item, dict) else item
             # each row must be a list of Tuple[int, float]. we allow empty sparse row
             for pair in pairs:
diff --git a/pymilvus/client/prepare.py b/pymilvus/client/prepare.py
index 70f9f1770..c4aae9fc5 100644
--- a/pymilvus/client/prepare.py
+++ b/pymilvus/client/prepare.py
@@ -512,7 +512,7 @@ def _parse_upsert_row_request(
                         ):
                             field_data.valid_data.append(v is not None)
                         entity_helper.pack_field_value_to_field_data(v, field_data, field_info)
-                for field in fields_info:
+                for field in input_fields_info:
                     key = field["name"]
                     if key in entity:
                         continue
@@ -538,7 +538,7 @@ def _parse_upsert_row_request(
 
         request.fields_data.extend(fields_data.values())
 
-        for _, field in enumerate(fields_info):
+        for _, field in enumerate(input_fields_info):
             is_dynamic = False
             field_name = field["name"]