diff --git a/libs/community/langchain_community/vectorstores/vikingdb.py b/libs/community/langchain_community/vectorstores/vikingdb.py
index 993cfa7a3cb..002db6485be 100644
--- a/libs/community/langchain_community/vectorstores/vikingdb.py
+++ b/libs/community/langchain_community/vectorstores/vikingdb.py
@@ -115,19 +115,27 @@ class VikingDB(VectorStore):
                 # print(key, value)
                 if isinstance(value, str):
                     fields.append(Field(key, FieldType.String))
-                if isinstance(value, int):
+                elif isinstance(value, int):
                     fields.append(Field(key, FieldType.Int64))
-                if isinstance(value, bool):
+                elif isinstance(value, bool):
                     fields.append(Field(key, FieldType.Bool))
-                if isinstance(value, list) and all(
+                elif isinstance(value, list) and all(
                     isinstance(item, str) for item in value
                 ):
                     fields.append(Field(key, FieldType.List_String))
-                if isinstance(value, list) and all(
+                elif isinstance(value, list) and all(
                     isinstance(item, int) for item in value
                 ):
                     fields.append(Field(key, FieldType.List_Int64))
-        fields.append(Field("text", FieldType.String))
+                elif isinstance(value, bytes):
+                    fields.append(Field(key, FieldType.Text))
+                else:
+                    raise ValueError(
+                        "metadatas value is invalid"
+                        "please change the type of metadatas."
+                    )
+        # fields.append(Field("text", FieldType.String))
+        fields.append(Field("text", FieldType.Text))
 
         fields.append(Field("primary_key", FieldType.String, is_primary_key=True))