diff --git a/opengemini/client_impl.go b/opengemini/client_impl.go
index d92d1f2..04bd0b9 100644
--- a/opengemini/client_impl.go
+++ b/opengemini/client_impl.go
@@ -106,6 +106,7 @@ func (c *client) Close() error {
 		c.dataChanMap.Delete(key)
 		return true
 	})
+	c.cli.CloseIdleConnections()
 	return nil
 }