diff --git a/tests/go_client/testcases/collection_test.go b/tests/go_client/testcases/collection_test.go
index e5e009bb2b7a9..248206c56e269 100644
--- a/tests/go_client/testcases/collection_test.go
+++ b/tests/go_client/testcases/collection_test.go
@@ -836,7 +836,7 @@ func TestCreateVarcharArrayInvalidLength(t *testing.T) {
 	for _, invalidLength := range []int64{-1, 0, common.MaxLength + 1} {
 		arrayVarcharField.WithMaxLength(invalidLength)
 		err := mc.CreateCollection(ctx, client.NewCreateCollectionOption(collName, schema))
-		common.CheckErr(t, err, false, "the maximum length specified for a VarChar should be in (0, 65535]")
+		common.CheckErr(t, err, false, "the maximum length specified for a VarChar should be in (0, 1048576]")
 	}
 }
 
@@ -858,7 +858,7 @@ func TestCreateVarcharInvalidLength(t *testing.T) {
 	for _, invalidLength := range []int64{-1, 0, common.MaxLength + 1} {
 		varcharField.WithMaxLength(invalidLength)
 		err := mc.CreateCollection(ctx, client.NewCreateCollectionOption(collName, schema))
-		common.CheckErr(t, err, false, "the maximum length specified for a VarChar should be in (0, 65535]")
+		common.CheckErr(t, err, false, "the maximum length specified for a VarChar should be in (0, 1048576]")
 	}
 }
 
diff --git a/tests/python_client/testcases/test_collection.py b/tests/python_client/testcases/test_collection.py
index 0cd69c80794c9..1eaea98433782 100644
--- a/tests/python_client/testcases/test_collection.py
+++ b/tests/python_client/testcases/test_collection.py
@@ -4117,7 +4117,7 @@ def test_collection_string_array_max_length_invalid(self, max_length):
         self.init_collection_wrap(schema=array_schema, check_task=CheckTasks.err_res,
                                   check_items={ct.err_code: 65535,
                                                ct.err_msg: "the maximum length specified for a VarChar "
-                                                           "should be in (0, 65535]"})
+                                                           "should be in (0, 1048576]"})
 
     @pytest.mark.tags(CaseLabel.L2)
     def test_collection_array_field_all_datatype(self):