diff --git a/pymilvus/orm/collection.py b/pymilvus/orm/collection.py
index a12be1805..c5ac1b4b5 100644
--- a/pymilvus/orm/collection.py
+++ b/pymilvus/orm/collection.py
@@ -373,7 +373,7 @@ def set_properties(self, properties: dict, timeout: Optional[float] = None, **kw
     def load(
         self,
         partition_names: Optional[list] = None,
-        replica_number: int = 1,
+        replica_number: int = 0,
         timeout: Optional[float] = None,
         **kwargs,
     ):
diff --git a/pymilvus/orm/partition.py b/pymilvus/orm/partition.py
index 8b61f17bd..e860f4cad 100644
--- a/pymilvus/orm/partition.py
+++ b/pymilvus/orm/partition.py
@@ -172,7 +172,7 @@ def drop(self, timeout: Optional[float] = None, **kwargs):
         conn = self._get_connection()
         return conn.drop_partition(self._collection.name, self.name, timeout=timeout, **kwargs)
 
-    def load(self, replica_number: int = 1, timeout: Optional[float] = None, **kwargs):
+    def load(self, replica_number: int = 0, timeout: Optional[float] = None, **kwargs):
         """Load the partition data into memory.
 
         Args: