diff --git a/simple-mind-map/src/core/command/Command.js b/simple-mind-map/src/core/command/Command.js
index eddc24d2..730cba52 100644
--- a/simple-mind-map/src/core/command/Command.js
+++ b/simple-mind-map/src/core/command/Command.js
@@ -104,7 +104,7 @@ class Command {
       return
     }
     const lastData =
-      this.history.length > 0 ? this.history[this.history.length - 1] : null
+      this.history.length > 0 ? this.history[this.activeHistoryIndex] : null
     const data = this.getCopyData()
     // 此次数据和上次一样则不重复添加
     if (lastData === data) return