diff --git a/simple-mind-map/src/plugins/MiniMap.js b/simple-mind-map/src/plugins/MiniMap.js
index 07f8a462..0127c2dd 100644
--- a/simple-mind-map/src/plugins/MiniMap.js
+++ b/simple-mind-map/src/plugins/MiniMap.js
@@ -25,6 +25,11 @@ class MiniMap {
     let { svg, rect, origWidth, origHeight, scaleX, scaleY } =
       this.mindMap.getSvgData()
     // 计算数据
+    const elRect = this.mindMap.elRect
+    rect.x -= elRect.left
+    rect.x2 -= elRect.left
+    rect.y -= elRect.top
+    rect.y2 -= elRect.top
     let boxRatio = boxWidth / boxHeight
     let actWidth = 0
     let actHeight = 0