diff --git a/theme.css b/theme.css
index 58d5d73..3cf9434 100644
--- a/theme.css
+++ b/theme.css
@@ -2462,7 +2462,7 @@ g.markmap-node[data-depth='0'] .markmap-foreign {
 /* 调整关系图谱样式 */
 .workspace-split:not(.mod-root) .graph-controls.is-close, .graph-controls.is-close {
 	background-color: transparent;
-	margin-top: -20px;
+	margin-top: -10px;
 	margin-right: -10px;
 }