diff --git a/backend/open_webui/retrieval/vector/dbs/milvus_multitenancy.py b/backend/open_webui/retrieval/vector/dbs/milvus_multitenancy.py
index 82dd322359..cd2ceed795 100644
--- a/backend/open_webui/retrieval/vector/dbs/milvus_multitenancy.py
+++ b/backend/open_webui/retrieval/vector/dbs/milvus_multitenancy.py
@@ -262,15 +262,23 @@ class MilvusClient(VectorDBBase):
                 else:
                     expr.append(f"metadata['{key}'] == {value}")
 
-        results = collection.query(
+        iterator = collection.query_iterator(
             expr=" and ".join(expr),
             output_fields=["id", "text", "metadata"],
-            limit=limit,
+            limit=limit if limit else -1,
         )
 
-        ids = [res["id"] for res in results]
-        documents = [res["text"] for res in results]
-        metadatas = [res["metadata"] for res in results]
+        all_results = []
+        while True:
+            batch = iterator.next()
+            if not batch:
+                iterator.close()
+                break
+            all_results.extend(batch)
+
+        ids = [res["id"] for res in all_results]
+        documents = [res["text"] for res in all_results]
+        metadatas = [res["metadata"] for res in all_results]
 
         return GetResult(ids=[ids], documents=[documents], metadatas=[metadatas])