diff --git a/kernel/model/index_fix.go b/kernel/model/index_fix.go
index a95209e1b..4547aa4a4 100644
--- a/kernel/model/index_fix.go
+++ b/kernel/model/index_fix.go
@@ -106,6 +106,7 @@ func autoFixIndex() {
 
 		size := len(paths)
 
+		// 清理块树中重复冗余的数据
 		redundantPaths := treenode.GetRedundantPaths(box.ID, paths)
 		for _, p := range redundantPaths {
 			treenode.RemoveBlockTreesByPath(box.ID, p)
diff --git a/kernel/treenode/blocktree.go b/kernel/treenode/blocktree.go
index 16f4af016..566c6de35 100644
--- a/kernel/treenode/blocktree.go
+++ b/kernel/treenode/blocktree.go
@@ -270,31 +270,18 @@ func RemoveBlockTreesByRootID(rootID string) {
 }
 
 func RemoveBlockTreesByPath(boxID, path string) {
-	var ids []string
 	blockTrees.Range(func(key, value interface{}) bool {
 		slice := value.(*btSlice)
 		slice.m.Lock()
 		for _, b := range slice.data {
 			if b.Path == path && b.BoxID == boxID {
-				ids = append(ids, b.RootID)
+				delete(slice.data, b.ID)
+				slice.changed = time.Now()
 			}
 		}
 		slice.m.Unlock()
 		return true
 	})
-
-	ids = gulu.Str.RemoveDuplicatedElem(ids)
-	for _, id := range ids {
-		val, ok := blockTrees.Load(btHash(id))
-		if !ok {
-			continue
-		}
-		slice := val.(*btSlice)
-		slice.m.Lock()
-		delete(slice.data, id)
-		slice.m.Unlock()
-		slice.changed = time.Now()
-	}
 }
 
 func RemoveBlockTreesByPathPrefix(pathPrefix string) {