diff --git a/js/script.js b/js/script.js
index a8d429a..effb916 100644
--- a/js/script.js
+++ b/js/script.js
@@ -558,11 +558,11 @@
         // 检测容器中心对齐
         if (Math.abs(elCenterX - cCenterX) < threshold) {
             snapX = true;
-            snapXPos = cCenterX;
+            snapXPos = cCenterX - elWidth / 2;
         }
         if (Math.abs(elCenterY - cCenterY) < threshold) {
             snapY = true;
-            snapYPos = cCenterY;
+            snapYPos = cCenterY - elHeight / 2;
         }
 
         // 检测容器边缘对齐